[Q] Heat and CPU throttling - Galaxy Note 4 General

I've searched around and couldn't find any good threads about this:
My note 4 (N910U) gets pretty hot when I'm playing regular games (Tsum Tsum, Wind Runner) and I'm thinking that this is what is causing it to lag.
I.e. When I start playing everything is super smooth, and then about 2-3 minutes in when the phone is getting hot, the frames start dropping and it lags pretty bad.
This happend with my note 2 as well. Is it normal or should I try to send it in to samsung somehow? (in which case does anyone have any experience with samsung customer service? I bought the note 4 from HK but I live in Japan :/)

arange said:
I've searched around and couldn't find any good threads about this:
My note 4 (N910U) gets pretty hot when I'm playing regular games (Tsum Tsum, Wind Runner) and I'm thinking that this is what is causing it to lag.
I.e. When I start playing everything is super smooth, and then about 2-3 minutes in when the phone is getting hot, the frames start dropping and it lags pretty bad.
This happend with my note 2 as well. Is it normal or should I try to send it in to samsung somehow? (in which case does anyone have any experience with samsung customer service? I bought the note 4 from HK but I live in Japan :/)
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I encountered something like this before even without playing games. Check if you have this issue.
http://forum.xda-developers.com/note-4/general/upper-screen-getting-hot-t3103904

My Knox is already turned off and theres been no real difference from before.
edit: Looks like setting it to force GPU rendere helps slightly overall (the sum off all things since some parts get much nicer some parts are the same, a few parts are laggier... )

arange said:
My Knox is already turned off and theres been no real difference from before.
edit: Looks like setting it to force GPU rendere helps slightly overall (the sum off all things since some parts get much nicer some parts are the same, a few parts are laggier... )
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Click to collapse
Actually by enabling that option will affect your battery. Haven't done that on my Note 4 but tried that on my previous phone which is LG G2. Definitely it will be faster on rendering but it adds consumption on the battery. And also if the CPU is still overheating, the speed will still throttle down and still affects the applications that relies on CPU. Did you do any customization? If yes, incompatible kernel can be an issue also.
---------- Post added at 07:50 PM ---------- Previous post was at 07:45 PM ----------
Try installing this application. This application helped me track the application that is hogging my phone which is the Knox on my case. Look for a process that has a high cpu usage.
https://play.google.com/store/apps/details?id=com.bartat.android.elixir&hl=en

CPU throttling plague is main disadvantage of this phone (and many others too).
Samsung should be aware of this, and they are, but don't give a s**t. This expensive Phone lags as hell on some more demanding games.
For instance, Crossy Road lags after few minutes of playing, Ski Safari too, Subway surf....
No more buying Samsung s**t if this issue continues..
I feel sorry I sold my Note II, never had this problems with it.

Q-Logic said:
CPU throttling plague is main disadvantage of this phone (and many others too).
Samsung should be aware of this, and they are, but don't give a s**t. This expensive Phone lags as hell on some more demanding games.
For instance, Crossy Road lags after few minutes of playing, Ski Safari too, Subway surf....
No more buying Samsung s**t if this issue continues..
I feel sorry I sold my Note II, never had this problems with it.
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Click to collapse
Under clock it slightly. That will stop it reaching the temperature that throttles the CPU/GPU all the way down, but still keep good enough performance

The CPU's don't throttle very aggressively and work the clock speeds down fairly evenly so you won;t be able to manage it better yourself by underclocking.
the GPU on the other hand stock uses some pretty crazy throttle steps which knocks the clock speed way down in one step which is probably what most people notice while gaming. You can try fiddling with the max states to try and work it better, but if it gets hot enough to throttle then it will just settle down to it's base state of performance.
I do wonder what people expect when they states these things are 'issues' or it's 'Samsung ****'. Welcome to the world where phones are designed for burst performance only. The Power consumption of pretty much any phone SoC from the past 4-5 years is high enough that clock speeds will be dropping (way) down once you put any extended load on the device. There are SoC design choices that can help with this (very wide cores running at low clockspeeds/voltages) and process node improvements usually come with an increase of steady state performance but there is simply no getting away from the fact that phones can't maintain performance because they are just too small.
getting more performance when you're limited to maybe 2.5watts long term TDP is a challenge. Only way to actually improve it is to undervolt your device, which can help quite a bit if you can drive the voltages down by a decent amount.

OK, I would ask which flagship Samsung phone not older than 2-3 years throttles the least? I'm ready to swap it with Note 4.

Q-Logic said:
OK, I would ask which flagship Samsung phone not older than 2-3 years throttles the least? I'm ready to swap it with Note 4.
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Click to collapse
The Note 4 probably runs the coolest. I have a N910F, it only heats up with very heavy games like Real Racing, the CPU generally stays cool though.
Maybe activate CPU Power Saving and Force GPU rendering to try balance out the heat and power? Thats what I would do.

Related

Is your Note 4 warmer then typical

Those of you that have your hands on the note 4 already. Does it seam to get pretty warm while using it? The back side to me felt a lot warmer then I would expect from a portable device. I have to be honest I am used to having a hard case on my note 3 so maybe this is normal.
Thanks for your input
Linux Larry
LinuxLarry said:
Those of you that have your hands on the note 4 already. Does it seam to get pretty warm while using it? The back side to me felt a lot warmer then I would expect from a portable device. I have to be honest I am used to having a hard case on my note 3 so maybe this is normal.
Thanks for your input
Linux Larry
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Click to collapse
I haven't noticed it myself but it is not unnatural that a device gets a bit warm with extended usage. Downloading, streaming, gaming etc will somewhat stress the device. Especially the more you're doing at one time. Happened to my Nexus 5 all the time.
LinuxLarry said:
Those of you that have your hands on the note 4 already. Does it seam to get pretty warm while using it? The back side to me felt a lot warmer then I would expect from a portable device. I have to be honest I am used to having a hard case on my note 3 so maybe this is normal.
Thanks for your input
Linux Larry
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Click to collapse
and, since you are in Florida, its still summer there I assume, so its bound to be warmer than it might be here in the beautiful midwest
plus, getting a new phone warm is gonna happen, since you probably havent put it down for more than 10 minutes so far
devynbf said:
I haven't noticed it myself but it is not unnatural that a device gets a bit warm with extended usage. Downloading, streaming, gaming etc will somewhat stress the device. Especially the more you're doing at one time. Happened to my Nexus 5 all the time.
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Thanks. It did take about 20-25 minutes of solid usage before it started to warm up. I do not typically keep the phone on that long but of course i had to configure everything over again so it had longer then average use on it.
Just got mine today and it got a little hot when I applied the OTA update! I'm going to watch it!
Mine got pretty warm after rooting and working it to apply all of my root apps. But it's not hot enough to worry about.
Let the phone settle in. You want a hot phone. Record 4k video for 2 min.
NOTE 4
It definitely gets warmer than my m8 did. Nothing alarming though.
Mine run very cool under heavy usage and i play lots of graphic intensive Games one of those games being Solforge which use to get the Note 3 very warm...but note i got Power Saving restrict cpu performance on which I think drops cpu to about 1.3Ghz each
Mine is far cooler than my note3 and note2. Very heavy use and its rooted , never warm to the touch
Lord_Kaizer said:
Mine run very cool under heavy usage and i play lots of graphic intensive Games one of those games being Solforge which use to get the Note 3 very warm...but note i got Power Saving restrict cpu performance on which I think drops cpu to about 1.3Ghz each
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Where did u get that setting from
NOTE 4

Gaming Performance?

Hello everyone, big sony fan since the Z1 here.
Currently I own an an LG G7, that broke for a 2nd time, and got replaced.
I plan on selling the G7 they give me(since its on a sealed box) and getting another phone.
Since I've been a big fan of sony phones, I was considering getting the XZ2, but I was wondering its overall gaming performance.
I had an XZ1, that used to be a beast at gaming, I dont know if its because the specific phone I had was unique(aka silicon lottery), or it was the SD835 but its gaming performance was amazing.
The Lg G7 used to lag all over the place, even on low settings, on pubg, fortnite etc.
How is the XZ2? Can it run fortnite? Pubg? and if it does how well?
Thanks,
I've tested PUBG and it was so smooth and responsive but deleted shortly after it wasn't my cup of tea, but yeah performance was great. I mostly play Aphalt 9 which has amazing graphics, no lag it is also super smooth and the phone doesn't get hot, in 10 minutes it gets warm but thats it then it keeps that temperature for my testing. Phone is also pretty fast and snappy other than gaming, I sometimes randomly scroll through its menu because it is so smooth and responsive makes it kinda satisfying.
It have all the performance that the SD845 can give , PUBG runs good in HDR Graphics at 60fps with no stuttering at all, I even can play Need for Speed Carbon or Luigi's Mansion on dolphin emulator at more than 40fps!
It performs as SD845 performs, only difference is how long it takes to start throttling... is it 10,20 or 30 min...
nedooo said:
It performs as SD845 performs, only difference is how long it takes to start throttling... is it 10,20 or 30 min...
Click to expand...
Click to collapse
Notice that the phone performance starts to throttle once the phone gets hot.
Pretty annoying at times. How i wish there is an additional accessory which we can attached to the phone to dissipate heat during intense gaming.
firdyRAY said:
Notice that the phone performance starts to throttle once the phone gets hot.
Pretty annoying at times. How i wish there is an additional accessory which we can attached to the phone to dissipate heat during intense gaming.
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You can already put the phone under water

Question Is it worth to upgrade to a snapdragon 888 considering these ?

i currently own an S21 Ultra Exynos 2100 barly can reach 535k in antutu and poor score on pc mark and others and overall performance even if you freeze the phone and tried factory reset and it tried it all ... even battery life seems weak video play back barly six hours whatsapp calls drain it like its furmark on pc something is messed up with my unit and i dont wanna go through warranty here cuz ill be without a phone for several months and new ones will be out and in the end they will say its not covered so should i just pay difference import snapdragon 888 sell my unit and upgrade considering camera upgrades ai score upgrades etc and all other benefits to gpu boost ?
thoughts ?
live in middle Beirut warranty is just a word nothing is guaranteed everyone will try to rip you off basically
hope this isn't repeated but feel its a unique case considering the conditions and geolocation
What is your current build number?
faresmasouty said:
i currently own an S21 Ultra Exynos 2100 barly can reach 535k in antutu and poor score on pc mark and others and overall performance even if you freeze the phone and tried factory reset and it tried it all ... even battery life seems weak video play back barly six hours whatsapp calls drain it like its furmark on pc something is messed up with my unit and i dont wanna go through warranty here cuz ill be without a phone for several months and new ones will be out and in the end they will say its not covered so should i just pay difference import snapdragon 888 sell my unit and upgrade considering camera upgrades ai score upgrades etc and all other benefits to gpu boost ?
thoughts ?
live in middle Beirut warranty is just a word nothing is guaranteed everyone will try to rip you off basically
hope this isn't repeated but feel its a unique case considering the conditions and geolocation
Click to expand...
Click to collapse
If you can return it do it and get 888, if you can't return it's not worth to sell and lose more money just to get another version, the phone is already too expensive
Probably not as much the cpu as crap running in the background robbing battery life.
This is true on the Snapdragon variants as well.
Android Q sucks due scope storage robbing cpu cycles/battery and more restrictions on 3rd party apps making diagnostics harder than with Pie.
My AT&T Note 10+ was a battery hog until I toned it down. It was time consuming to do but today it runs very well.
If I had to replace it today I go with another 10+ running on Pie. A vote of no confidence in Q/11 as well as Samsung's lack of newer/substantially better flagship phones.
2 dropped balls don't win any prizes only scorn...
blackhawk said:
Probably not as much the cpu as crap running in the background robbing battery life.
This is true on the Snapdragon variants as well.
Android Q sucks due scope storage robbing cpu cycles/battery and more restrictions on 3rd party apps making diagnostics harder than with Pie.
My AT&T Note 10+ was a battery hog until I toned it down. It was time consuming to do but today it runs very well.
If I had to replace it today I go with another 10+ running on Pie. A vote of no confidence in Q/11 as well as Samsung's lack of newer/substantially better flagship phones.
2 dropped balls don't win any prizes only scorn...
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Click to collapse
What did you tone down?

General Snapdragon 888 vs Exynos 2100 after latest updates

I know there are already a few threads for the same discussion ,
But I am making this thread for a healthy discussion on what's better between Snapdragon 888 and Exynos 2100 after the latest software updates for both models .
There are youtube reviews that are contradictory to each other
1) Mrwhosetheboss says Snapdragon is way better and Exynos is heating like crazy.
Also in camera sd>exynos
2) The tech chap on the other hand says Exynos to be faster and cooler .
Let's discuss
I am planning to buy the s21 ultra over the OnePlus 9 pro just because I am getting it at the same price as OnePlus 9 pro ,
Also the software on OnePlus is always going to be buggy and an update to fix one issue will create more bugs .
aj7400 said:
I know there are already a few threads for the same discussion ,
But I am making this thread for a healthy discussion on what's better between Snapdragon 888 and Exynos 2100 after the latest software updates for both models .
There are youtube reviews that are contradictory to each other
1) Mrwhosetheboss says Snapdragon is way better and Exynos is heating like crazy.
Also in camera sd>exynos
2) The tech chap on the other hand says Exynos to be faster and cooler .
Let's discuss
Click to expand...
Click to collapse
After my experience with the Exynos, I'm far more inclined to believe the Tech Chap. I've had no issues with thermal throttling, and my phone sits most of the time at between 28 and 32 degrees when being used under normal circumstances (browsing, light camera use etc). I've also run the benchmarks he ran and got pretty much the same results. I'm very happy with it.
I strongly suspect that boss geezer just had bad luck and picked up an Exynos model with a bad SOC. The difference between the two is he didn't buy another to rule that out.
Beefheart said:
After my experience with the Exynos, I'm far more inclined to believe the Tech Chap. I've had no issues with thermal throttling, and my phone sits most of the time at between 28 and 32 degrees when being used under normal circumstances (browsing, light camera use etc). I've also run the benchmarks he ran and got pretty much the same results. I'm very happy with it.
I strongly suspect that boss geezer just had bad luck and picked up an Exynos model with a bad SOC. The difference between the two is he didn't buy another to rule that out.
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What's the ambient temperature in your area?
aj7400 said:
What's the ambient temperature in your area?
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Like both Youtubers in this thread, I'm in England so it's not hot at the moment.
Ambient temp makes a difference, but my experience of mobile phones in the UK over the last 25+ years, not massively so.
Beefheart said:
Like both Youtubers in this thread, I'm in England so it's not hot at the moment.
Ambient temp makes a difference, but my experience of mobile phones in the UK over the last 25+ years, not massively so.
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Click to collapse
I live in a area where the temperatures are like 40°C for like 8 months and 10°C for 4 months ..
At 40°C ambient temps even apple iphones break their sweat and throttle.
aj7400 said:
I live in a area where the temperatures are like 40°C for like 8 months and 10°C for 4 months ..
At 40°C ambient temps even apple iphones break their sweat and throttle.
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Click to collapse
You say even Apple iPhones but they're dogs**t when it comes to thermal dissipation, in particular the more recent ones.
All I can say is that this phone is no worse than any others I've had when it comes to thermals, and seems to be better than most of them.
After I contemplated a lot, I went for it and purchased the EXYNOS version as I live in Europe and the Snapdragon seems to be Single SIM, so no point ordering it from Amazon.
Mrwhostheboss either had a faulty unit or at the time of his video, the update he put wasn't enough to fix the software issues.
Mine works fine, no overheating (gets a bit warm when doing heavier tasks, ~22c ambient room temps), no camera problems or glitches, all seems good. The camera quality is pretty fine too, although it did definitely improve further after I installed the last update. When I tested the camera out of the box, it was all weird.
Battery life for me is quite fine as well. At the time of writing this message I got SOT 1h45m and battery is at 78%. Plenty of apps installed, Dual SIMs active. AOD active.
I also have the Dr. Ketan ROM with root, AFWall and etc. So I slightly debloated the useless stuff.
I am satisfied with the EXYNOS, and although I have no way to test them next to each other, I'm sure that If the SNAP is better in some ways, it is NOT in others, like NO DUAL SIM.... And for sure if there is anything left to fix on the EXYNOS, they will fix it with the upcoming updates.
But again, if you buy an EXYNOS, make sure you do it right. Start it, install all your apps, make sure you update it to the latest firmware version and then start testing it. If it has problems, factory reset it and return it for a new one.
Good luck!!!
babyboy3265 said:
After I contemplated a lot, I went for it and purchased the EXYNOS version as I live in Europe and the Snapdragon seems to be Single SIM, so no point ordering it from Amazon.
Mrwhostheboss either had a faulty unit or at the time of his video, the update he put wasn't enough to fix the software issues.
Mine works fine, no overheating (gets a bit warm when doing heavier tasks, ~22c ambient room temps), no camera problems or glitches, all seems good. The camera quality is pretty fine too, although it did definitely improve further after I installed the last update. When I tested the camera out of the box, it was all weird.
Battery life for me is quite fine as well. At the time of writing this message I got SOT 1h45m and battery is at 78%. Plenty of apps installed, Dual SIMs active. AOD active.
I also have the Dr. Ketan ROM with root, AFWall and etc. So I slightly debloated the useless stuff.
I am satisfied with the EXYNOS, and although I have no way to test them next to each other, I'm sure that If the SNAP is better in some ways, it is NOT in others, like NO DUAL SIM.... And for sure if there is anything left to fix on the EXYNOS, they will fix it with the upcoming updates.
But again, if you buy an EXYNOS, make sure you do it right. Start it, install all your apps, make sure you update it to the latest firmware version and then start testing it. If it has problems, factory reset it and return it for a new one.
Good luck!!!
Click to expand...
Click to collapse
In india there is nothing as return ..
Once paid the device is yours till it has some major issues and they are just repaired ,
Unfortunately We cannot return it for a refund here in india .
That is why thinking twice before buying .
I have no overheating problems with my Exynos unit. Phone idles at around 25-30degC.
Yo bro,
Listen, avoid YouTube reviews. Bro these ppl are just benefiting from these kindda arguments and stuff.
I had the s21 ultra 512 and i sold it coz i have literally watched every single review out there and was too worried i might have been scammed or made the wrong choice.
After talking to some ppl here i bought it again and this time i made sure i cleared my search history lol and never ever to watch a thing.
It is not SD888 but it is close, it has good battery, cameras are barely any difference between them. If you game a lot you should really just buy a different phone just for gaming.
The screen is phenomenal.
Bro i live in Kuwait, temps here reach 55°....until now i have not experienced any extreme heating issues.
My advice to you, don't listen to anything, the device is amazing...yes it lacks behind the SD888 but for me it's the better pick.. i get warranty for a year and a trade on later or i can even sell it and not lose while the imported is basically non sellable here.
So weigh things out and decide, once you decide do not regret. Do not hesitate it's just a phone, if you have a slight doubt avoid it and wait for a different phone.
Goodluck.
aj7400 said:
I know there are already a few threads for the same discussion ,
But I am making this thread for a healthy discussion on what's better between Snapdragon 888 and Exynos 2100 after the latest software updates for both models .
There are youtube reviews that are contradictory to each other
1) Mrwhosetheboss says Snapdragon is way better and Exynos is heating like crazy.
Also in camera sd>exynos
2) The tech chap on the other hand says Exynos to be faster and cooler .
Let's discuss
Click to expand...
Click to collapse
Camera has improved on the exynos with updates, personally I still feel low light video and photos are just ok, but anything in decent light is great, and I don't have anything other than a pixel 3 to compare to, so not a fair fight as the camera tech on that is old.
In regards to the video, mr whos the boss was using antutu for temperatures and it's well known that at that time it couldn't read exynos temps properly. When I had antutu, it showed around 40 degrees, but CPU monitor was around 25 degrees
I've got the exynos and had no real issues to date, battery life is sometimes great, sometime ok, but more than enough to do me from morning to night with my usage. Other than that can't complain at all
Should wait for the xiaomi's launch today?
mtm1401 said:
Camera has improved on the exynos with updates, personally I still feel low light video and photos are just ok, but anything in decent light is great, and I don't have anything other than a pixel 3 to compare to, so not a fair fight as the camera tech on that is old.
In regards to the video, mr whos the boss was using antutu for temperatures and it's well known that at that time it couldn't read exynos temps properly. When I had antutu, it showed around 40 degrees, but CPU monitor was around 25 degrees
I've got the exynos and had no real issues to date, battery life is sometimes great, sometime ok, but more than enough to do me from morning to night with my usage. Other than that can't complain at all
Click to expand...
Click to collapse
Berserker900 said:
Yo bro,
Listen, avoid YouTube reviews. Bro these ppl are just benefiting from these kindda arguments and stuff.
I had the s21 ultra 512 and i sold it coz i have literally watched every single review out there and was too worried i might have been scammed or made the wrong choice.
After talking to some ppl here i bought it again and this time i made sure i cleared my search history lol and never ever to watch a thing.
It is not SD888 but it is close, it has good battery, cameras are barely any difference between them. If you game a lot you should really just buy a different phone just for gaming.
The screen is phenomenal.
Bro i live in Kuwait, temps here reach 55°....until now i have not experienced any extreme heating issues.
My advice to you, don't listen to anything, the device is amazing...yes it lacks behind the SD888 but for me it's the better pick.. i get warranty for a year and a trade on later or i can even sell it and not lose while the imported is basically non sellable here.
So weigh things out and decide, once you decide do not regret. Do not hesitate it's just a phone, if you have a slight doubt avoid it and wait for a different phone.
Goodluck.
Click to expand...
Click to collapse
mtm1401 said:
Camera has improved on the exynos with updates, personally I still feel low light video and photos are just ok, but anything in decent light is great, and I don't have anything other than a pixel 3 to compare to, so not a fair fight as the camera tech on that is old.
In regards to the video, mr whos the boss was using antutu for temperatures and it's well known that at that time it couldn't read exynos temps properly. When I had antutu, it showed around 40 degrees, but CPU monitor was around 25 degrees
I've got the exynos and had no real issues to date, battery life is sometimes great, sometime ok, but more than enough to do me from morning to night with my usage. Other than that can't complain at all
Click to expand...
Click to collapse
That temp thing with Antutu makes sense, I was worried when I first got my phone as it was listing my CPU temperature in the low 50s but then I installed CPU Monitor and it showed it was around 30 degrees. Maybe MrWhosTheBoss should have done a bit more research.
It's funny reading the comments on that video. Thousands of people talking about the S21 Ultra being rubbish on Exynos without having the first clue what they're talking about. It goes to show how a badly made video can really effect how a phone is perceived.
Beefheart said:
That temp thing with Antutu makes sense, I was worried when I first got my phone as it was listing my CPU temperature in the low 50s but then I installed CPU Monitor and it showed it was around 30 degrees. Maybe MrWhosTheBoss should have done a bit more research.
It's funny reading the comments on that video. Thousands of people talking about the S21 Ultra being rubbish on Exynos without having the first clue what they're talking about. It goes to show how a badly made video can really effect how a phone is perceived.
Click to expand...
Click to collapse
Exactly and there is me researching this from a week before buying it .
Also tried to stress the camera on the demo unit at a samsung store , but it was warm to touch but not at all hot ..
By the way , as OnePlus markets their 9 pro with 5 layer cooling system , how's the cooling on s21 ultra?
JerryRigEverything did a teardown, but it's the SD varient. I'm not sure if the cooling solution on Exynos differs.
aj7400 said:
Exactly and there is me researching this from a week before buying it .
Also tried to stress the camera on the demo unit at a samsung store , but it was warm to touch but not at all hot ..
By the way , as OnePlus markets their 9 pro with 5 layer cooling system , how's the cooling on s21 ultra?
Click to expand...
Click to collapse
The Samsung is much more aggressive with its thermal throttling than the mi 11 (A good thing or a bad thing depending on what you want in a phone), don't know about the oneplus or how effective it's cooling system actually is (could just be a gimmick/branding, but I don't know).
I would say from what I've seen, s21u has better battery, genuine adaptive refresh, marginally photos cameras but much more versatile camera array, better software.
Mi11 better charging and sustained gaming
Early oneplus reviews have middling battery life, but an educated guess that they haven't enabled the variable refresh yet on the pro, as it seems to last the same amount of time as the base model.
In all honesty, if you aren't sure, wait a month or so for the 'long term' reviews, then you will get a better idea of the final product
mtm1401 said:
The Samsung is much more aggressive with its thermal throttling than the mi 11 (A good thing or a bad thing depending on what you want in a phone), don't know about the oneplus or how effective it's cooling system actually is (could just be a gimmick/branding, but I don't know).
I would say from what I've seen, s21u has better battery, genuine adaptive refresh, marginally photos cameras but much more versatile camera array, better software.
Mi11 better charging and sustained gaming
Early oneplus reviews have middling battery life, but an educated guess that they haven't enabled the variable refresh yet on the pro, as it seems to last the same amount of time as the base model.
In all honesty, if you aren't sure, wait a month or so for the 'long term' reviews, then you will get a better idea of the final product
Click to expand...
Click to collapse
I am getting the s21 u e2100 today .. let's hope I get a good silicon compared to what some people have got
I seriously have a feeling that both versions of the phone are nearly identical in performance and camera quality. The primary reason why we see so many threads regarding heat issues, app crash issues or battery issues are not necessarily due to the versions of the phone that are being used (Exynos or Snapdragon)... But instead, I think that this is mainly due to the fact that a lot of Samsung's phone sales are to people who aren't very tech friendly....at all...
I mean, think of Apple's iPhone market. What percentage of their customers are tech geniuses who know everything about complete device care and optimization? I'd say, near me in the US, maybe about 3-5% of their customers... And with that said, you have to keep in mind that Samsung is the most Apple equivalent company in sales numbers for Android devices in the US. So probably only about 1-2% of their phone customers actually know what the heck they're doing.
So (internally thought lol) truth be told, I don't think one variant is better than the other. I just think that we need to keep in mind the fact that the Samsung phone market is packed to the gills with customers who don't know much at all regarding the technology that's used or how it works/can be optimized or made better. Luckily for us on this particular thread, we probably don't run into the aforementioned issues as we're likely all people who actually know how to use, care for and optimize a damn smart phone lol.
Side note: this was a long comment, so my apologies.
*Edit* - To respond to @aj7400 without wasting more post space :
The US isn't really a particularly cold area. It's just a much bigger area. So there are certainly some states where the temperature stays cold for a while... But there are tons of other places where it stays over 23°C all year round (and a few states where it stays above 33°C all year). So overall, I still believe that these issues are just coming up due to a severe lack of knowledge =(. But the good thing for you is that you actually appear to know what the deal is, hence why you're here on XDA. Thanks for being here =). But ya see what I mean? You were aware of the slightly warmer temperature of the S21U and you were aware of the fact that you live in a hot area. Therefore, you're not constantly complaining about the phone being borked out of the box, but instead, you're looking for potential solutions. Kudos!
NippleSauce said:
I seriously have a feeling that both versions of the phone are nearly identical in performance and camera quality. The primary reason why we see so many threads regarding heat issues, app crash issues or battery issues are not necessarily due to the versions of the phone that are being used (Exynos or Snapdragon)... But instead, I think that this is mainly due to the fact that a lot of Samsung's phone sales are to people who aren't very tech friendly....at all...
I mean, think of Apple's iPhone market. What percentage of their customers are tech geniuses who know everything about complete device care and optimization? I'd say, near me in the US, maybe about 3-5% of their customers... And with that said, you have to keep in mind that Samsung is the most Apple equivalent company in sales numbers for Android devices in the US. So probably only about 1-2% of their phone customers actually know what the heck they're doing.
So (internally thought lol) truth be told, I don't think one variant is better than the other. I just think that we need to keep in mind the fact that the Samsung phone market is packed to the gills with customers who don't know much at all regarding the technology that's used or how it works/can be optimized or made better.
Side note: this was a long comment, so my apologies.
Click to expand...
Click to collapse
That's allright ,
But imo apple is from day 1 producing good chips and their optimization is top notch ,
And samsung in US is just offering Snapdragon .
That's the main reason people are not complaining about both , and they don't care what are the specs in their phone .
Also US is a relatively cold area so not much is going around throttling issues .
I live in india where highest temps reach 45°C , where the real problem of thermal throttling arise .
So I care much about these things .

Samsung S20 FE Overheating

So I have the 4G version of the s20 fe and it overheats alot. When I am gaming or even charging the phone it heats up quite a bit (around 36-38*)
Software update did seem to fix it a bit but it still heats up. Any soulution?
P.S: I am not rooted. I use it at 120hz
there are things that can be done by rooting but you probably wouldn't like the idea of them if you game.
3mel said:
there are things that can be done by rooting but you probably wouldn't like the idea of them if you game.
Click to expand...
Click to collapse
Ok can you please tell? Maybe I change my mind
Fix Exynos 990 battery drain and Overheating Issues -[ It works ]
I have the exynos 990 version of the S20 FE and as we all know, the 990 is a little bit of a hot mess. However it has quite a lot to give if limited correctly.I'm running One UI 3.1 on android 11. I rooted my FE with magisk and installed Franco...
forum.xda-developers.com
Thx and also the charging speed is VERY SLOW
Fast charging is enabled and I am using 15W Charger
Any way to fix this as well?
idk... clean the port out and clean the cable connection.
Cheetah1020 said:
Thx and also the charging speed is VERY SLOW
Fast charging is enabled and I am using 15W Charger
Any way to fix this as well?
Click to expand...
Click to collapse
If too cold or hot fast charging will not engage.
Best start temperature is 85°F
Keep below 100°F when charging/using. Use a damp microfiber cloth and/or fan to cool.
Find apps causing the drain.
Try disabling all power management* first then get to it.
Clear system cache and system logs.
Cloud backup apps are prime suspects.
Disable Google play Services when not needed.
Do a factory reset if you updated the OS version or if you used Smart Switch to transfer data/settings from a different phone.
*can cause excessive battery consumption and erratic behavior.
blackhawk said:
If too cold or hot fast charging will not engage.
Best start temperature is 85°F
Keep below 100°F when charging/using. Use a damp microfiber cloth and/or fan to cool.
Find apps causing the drain.
Try disabling all power management* first then get to it.
Clear system cache and system logs.
Cloud backup apps are prime suspects.
Disable Google play Services when not needed.
Do a factory reset if you updated the OS version or if you used Smart Switch to transfer data/settings from a different phone.
*can cause excessive battery consumption and erratic behavior.
Click to expand...
Click to collapse
Ty
Hello!
I have a question: what is mongoose cores and what happens if I disable it via root?
Cheetah1020 said:
Hello!
I have a question: what is mongoose cores and what happens if I disable it via root?
Click to expand...
Click to collapse
they're the 2 most powerful cores on your chip, some believe they are the reason for the heat.
3mel said:
they're the 2 most powerful cores on your chip, some believe they are the reason for the heat.
Click to expand...
Click to collapse
So if I disable them will it effect performance?
Cheetah1020 said:
So if I disable them will it effect performance?
Click to expand...
Click to collapse
yes it would but it's reversible, you can see how much it effects usage and if you like it or not.
Find the apks that are spiking it... don't kill the messenger.
Some apks like Google play Services poll the internet 2, 3 times a minute, every minute.
blackhawk said:
Find the apks that are spiking it... don't kill the messenger.
Some apks like Google play Services poll the internet 2, 3 times a minute, every minute.
Click to expand...
Click to collapse
it's not really an app thing it's an Exynos 990 thing, over on reddit almost every single user reports terrible SOT and extreme heat even on mundane usage. Samsung discontinued the 4G version with the 990 but played it off as being related to a silicon shortage.
3mel said:
it's note really an app thing it's an Exynos 990 thing, over on reddit almost every single reports terrible SOT and extreme heat even on mundane usage. Samsung discontinued the 4G version with the 990 but played it off as being related to a silicon shortage.
Click to expand...
Click to collapse
My Snapdragon variant was a hot running battery hog at first. So I'm not convinced it's hopeless.
There are also 2 heatsink variants that may have been used. The 990's perfomance score is only slightly less than the Snapdragon.
The fact that it's spiking the cpu usage points to a software issue. Even if the faster cores are online for only seconds each minute it will drive up the temperature/battery usage substantially.
That will cause these symptoms and it's common on all the Note 10+ variants and other Samsung models as well.
Disable all power management, it's a known trouble maker.
Track down the apks causing this one by one, and deal with them on a case by case basis.
There are likely quit a few and many aren't needed or used.
people were getting 3.5/4 hrs SOT from a 4500mAh battery and heat that made it uncomfortable to hold. Samsung took several runs at fixing it and achieved nothing then discontinued it. if it was only a high level software issue that's a comparatively easy fix for an OEM.
one guy uploaded graphs for his cores and the 2 big power cores ramped up to max and just stayed there. seriously poke your head into r/GalaxyS20FE and have a look at posts about the Exynos or Exytoast as some call it.
3mel said:
people were getting 3.5/4 hrs SOT from a 4500mAh battery and heat that made it uncomfortable to hold. Samsung took several runs at fixing it and achieved nothing then discontinued it. if it was only a high level software issue that's a comparatively easy fix for an OEM.
one guy uploaded graphs for his cores and the 2 big power cores ramped up to max and just stayed there. seriously poke your head into r/GalaxyS20FE and have a look at posts about the Exynos or Exytoast as some call it.
Click to expand...
Click to collapse
Um, don't think I'll get the Exynos variant if I get another N10+... you're right it seems to have flaming reviews.

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