Do higher class and higher capacity speed up phone?
A higher class increases the read and write and speed of the card.
You have to consider how the r/w speed would become a bottleneck. If you're using a swap partition (where the phone is always reading and writing to the card), then yes a higher class will make it a bit more efficient. If you have tons of music which takes the phone ages to populate, the speed of the card could be a bottleneck.
I have a USB-powered Western Digital hard drive that works with my N7 using an OTG cable. I was curious as to how heavy the battery usage would be when powering a spinning drive so I did a small test, playing the same movie from the hard drive and then from a flash drive. Here’s what I saw (I charged the N7 between tests, usage number from battery monitor measure of charge level):
Stock 16GB N7
Play movie with MX Player Pro through Nexus Media Importer
Duration of 1 hour, screen at 100% brightness
Video: 832 x 352 1503 kbps h264 MP4
Results --
Sandisk Cruzer 64GB Thumb Drive, FAT32 -- 12% battery drain
Western Digital My Passport 500GB Portable USB 3.0 External Hard Drive, NTFS -- 23% battery drain
Which better in sd memory cards
Kingstone 32gb class 10 OR
G- Skill 32gb class 10
http://forum.xda-developers.com/showthread.php?t=1150369
http://www.tomshardware.com/reviews/microsdhc-memory-card-performance,3011.html
Ok Thank u very much but actually the link helped me in knowing that class 4 may be better than 10 in some cases but it did not help in the comparison between g-skill and kingstone .. also i want the sd card to do the trick of increasing ram by rooting .. because the performance of the ram is terrible due to installing a lot of app;ications and games
ok can we add in the comparison SanDisk 32GB Micro SD Ultra Mode
so the will be what should i buy ?!!!!
1- SanDisk 32GB Micro SD Ultra Mode
2- Kingston 32gb class 10
3- G-skill 32gb class 10
No answer till know ?!!!!!!!!!!!!!!1
arrivals18 said:
ok can we add in the comparison SanDisk 32GB Micro SD Ultra Mode
so the will be what should i buy ?!!!!
1- SanDisk 32GB Micro SD Ultra Mode
2- Kingston 32gb class 10
3- G-skill 32gb class 10
Click to expand...
Click to collapse
I'd got for kingston if you want stability, sandisk is kinda good with speeds, don't know about G-skill
arrivals18 said:
also i want the sd card to do the trick of increasing ram by rooting .. because the performance of the ram is terrible due to installing a lot of app;ications and games
Click to expand...
Click to collapse
BUT if i were you, I wouldn't use my sdcard to increase my memory.1 GB is enough, actually more than enough.You may be wanting more memory due to stock ROM using too much RAM, but android is designed to use lots of RAM.For example, android will cache the apps you use oftenly in your RAM so that they'll launch faster and you will same some battery if you launch them often in short amount of time.
For the RAM performance, I think we've got ddr2 1066 (not sure), which is fast enough as its even faster than my PC's (ddr2 800).IF you haven't cleaned your ROM by removing bloatwares (most of the apps with LGE name in it are bloatwares), your phone will lag and yes, your RAM will slow down.After I removed all the bloatwares, I freed around 150 - 200 mb RAM and my phone became smoother.So you should try this before you kill your sd card for a little bit of more RAM.
NEVER use sd card to increase your RAM, It will kill it easly and your phone won't be fast at all.RAM is a lot of faster than a class 10 sd card, your phone could only use your SD card to store inactive **** inside that SD card and even then your phone will be sluggish, especially when your freeing up some RAM.This can be done by launching a game, android would push inactive apps, caches into your SD card, thus making your RAM do more work while transfering data over to sd card and slow down launch time.That could also slow down games which require a lot of RAM speed.Ironman 3 for example, you keep switching between environments which requires textures to be replaced inside your RAM, in that kind of case you'd experience lots of lags.In brightest situation, your phone won't lag as much but you won't get any performance improvements either (perhaps a little until you launch apps) and your BATTERY will deplete like hell.
Your sd card won't last for long no matter what you purchase, all flash memories have a limited write-read cycles, and using it as a RAM would do a lot of r/w cycles, thus resulting in very short lifespan.Google dead sd cards caused by that RAM expanding method, you'll find a lot of dead sd card complaints.
Source : I used such method to increase my old phone's little ram (290 mb).Which resulted in an even slower phone, with lots of lagspikes and slower UI.
ottomanhero said:
I'd got for kingston if you want stability, sandisk is kinda good with speeds, don't know about G-skill
BUT if i were you, I wouldn't use my sdcard to increase my memory.1 GB is enough, actually more than enough.You may be wanting more memory due to stock ROM using too much RAM, but android is designed to use lots of RAM.For example, android will cache the apps you use oftenly in your RAM so that they'll launch faster and you will same some battery if you launch them often in short amount of time.
For the RAM performance, I think we've got ddr2 1066 (not sure), which is fast enough as its even faster than my PC's (ddr2 800).IF you haven't cleaned your ROM by removing bloatwares (most of the apps with LGE name in it are bloatwares), your phone will lag and yes, your RAM will slow down.After I removed all the bloatwares, I freed around 150 - 200 mb RAM and my phone became smoother.So you should try this before you kill your sd card for a little bit of more RAM.
NEVER use sd card to increase your RAM, It will kill it easly and your phone won't be fast at all.RAM is a lot of faster than a class 10 sd card, your phone could only use your SD card to store inactive **** inside that SD card and even then your phone will be sluggish, especially when your freeing up some RAM.This can be done by launching a game, android would push inactive apps, caches into your SD card, thus making your RAM do more work while transfering data over to sd card and slow down launch time.That could also slow down games which require a lot of RAM speed.Ironman 3 for example, you keep switching between environments which requires textures to be replaced inside your RAM, in that kind of case you'd experience lots of lags.In brightest situation, your phone won't lag as much but you won't get any performance improvements either (perhaps a little until you launch apps) and your BATTERY will deplete like hell.
Your sd card won't last for long no matter what you purchase, all flash memories have a limited write-read cycles, and using it as a RAM would do a lot of r/w cycles, thus resulting in very short lifespan.Google dead sd cards caused by that RAM expanding method, you'll find a lot of dead sd card complaints.
Source : I used such method to increase my old phone's little ram (290 mb).Which resulted in an even slower phone, with lots of lagspikes and slower UI.
Click to expand...
Click to collapse
That is . Using sd as a ram will not speed my phone also it will consume battery " this is the biggest problem " so tell me how to speed up my phone , minimize freeze as i have more than 40 apps and The Dark Knight rises , Need for Speed and this games can not be played well and a have from 150 to 200 mb of ram free only !!!!!!!!!!! i don't know why . also i usually kill all apps that still worked and this don't do anything
arrivals18 said:
That is . Using sd as a ram will not speed my phone also it will consume battery " this is the biggest problem " so tell me how to speed up my phone , minimize freeze as i have more than 40 apps and The Dark Knight rises , Need for Speed and this games can not be played well and a have from 150 to 200 mb of ram free only !!!!!!!!!!! i don't know why . also i usually kill all apps that still worked and this don't do anything
Click to expand...
Click to collapse
150-200MB free is more than enough. Android runs on a *Nix base - it is designed to use all the memory it can and will free up memory as needed. "Free memory is wasted memory". Lagging is due to the GPU, CPU speeds etc - lots of people have problems with playing games on this device.
SimonTS said:
150-200MB free is more than enough. Android runs on a *Nix base - it is designed to use all the memory it can and will free up memory as needed. "Free memory is wasted memory". Lagging is due to the GPU, CPU speeds etc - lots of people have problems with playing games on this device.
Click to expand...
Click to collapse
Not only games but also opening simple apps such as chrome !!!!!!!
arrivals18 said:
Not only games but also opening simple apps such as chrome !!!!!!!
Click to expand...
Click to collapse
How empty is your internal SD card? Ever tried V6 supercharger script? What kernel are you using (I'd recommend eternityproject kernel)?
Your cpu shouldn't have any difficulties loading chrome, don't think its related to RAM, perhaps your having I/O lags.
arrivals18 said:
That is . Using sd as a ram will not speed my phone also it will consume battery " this is the biggest problem " so tell me how to speed up my phone , minimize freeze as i have more than 40 apps and The Dark Knight rises , Need for Speed and this games can not be played well and a have from 150 to 200 mb of ram free only !!!!!!!!!!! i don't know why . also i usually kill all apps that still worked and this don't do anything
Click to expand...
Click to collapse
I currently have NFS, the dark knight rises, real racing 3 and dungeon hunter 4, a few more apps that consume 100 - 200 mb internal memory and around 20 more small games.I'm experiencing no lags in any games except the dark knight rises (thanks to gameloft...) and dungeon hunter doesn't lag in normal visual settings.
I'm using eternity project kernel and V6 supercharger script to manage my RAM.
NEVER use a task killer in this device, Use an autoruns manager (such as gemini app manager) to stop apps from runing in background, consuming RAM & cpu.That helped me smoothen my phone when I had lags back in the day.
arrivals18 said:
No answer till know ?!!!!!!!!!!!!!!1
Click to expand...
Click to collapse
Le Kingston because they produce the highest quality SD cards. I never had any problems with any Kingston product, be it a USB flash drive or microSD.
The class 1-10 also matters, get a high class kingston microSD card.
I've been wanting an SSD for a while now, so I went ahead and got a Crucial MX100 512GB SSD. Since before considering the purchase and after the purchase (during the use of it these past three days), I've been researching about things to do and things not to do. Everything from should you defragment your SSD (never) and how can you optimize your SSD. The reason for my post is simple: Will putting my cache & temp files on a RAM disk increase the longevity of the SSD, or is it just wasteful? I've noticed since putting only my cache on RAM (using some configurations that are built into Firefox), the load time of pages seems to have decreased by almost 100 percent. As far as load times go, it seems worth doing. However, does it help the SSD in any significant way or not? I would believe so as it writes less to the SSD than normal cache writes on disk, but I want to know for sure
SwiftLeeO said:
I've been wanting an SSD for a while now, so I went ahead and got a Crucial MX100 512GB SSD. Since before considering the purchase and after the purchase (during the use of it these past three days), I've been researching about things to do and things not to do. Everything from should you defragment your SSD (never) and how can you optimize your SSD. The reason for my post is simple: Will putting my cache & temp files on a RAM disk increase the longevity of the SSD, or is it just wasteful? I've noticed since putting only my cache on RAM (using some configurations that are built into Firefox), the load time of pages seems to have decreased by almost 100 percent. As far as load times go, it seems worth doing. However, does it help the SSD in any significant way or not? I would believe so as it writes less to the SSD than normal cache writes on disk, but I want to know for sure
Click to expand...
Click to collapse
From what I've read, it's definitely not wasteful, and there are definitely benefits such as those that you've already noticed. It absolutely helps the SSD because reading and writing to a RAM fs allows data to be accessed and modified without involving the SSD in any way. I am fairly sure that reading from an SSD does not impact the lifespan, only writing to it does. All of what I'm about to write is specific to linux. The trick you mentioned about firefox is complimented nicely by a script called "profile sync daemon" which syncs all the data of your firefox profile to your SSD before shutdown and copied back into your RAM after each boot so that the data can still be persistent. It's available as a package for many common linux distributions. It seems that since recent improvements in how file-systems are handled, it's possible, assuming the device is of decent quality, for SSDs to likely far outlast the rest of your hardware (outlast either because of the other hardware failure or because of hardware obsolescence) before seeing any noticeable slowdown and especially before complete wear of the SSD . To take advantage of those advancements, you should make sure that you use a filesystem that supports the trim function. Off the top of my head, I know that ext4, xfs, and btrfs support this. It is usually enabled by specifying the "discard" option in fstab. Another way to ensure that unnecessary disk writes don't occur is by disabling or reducing the level of journaling, which can be done in different ways depending on the file system, but in certain cases at the cost of data integrity.
The short answer is that doing what you're doing definitely helps improve the lifespan of the SSD, and I would recommend looking into the trim option that some filesystems offer as well as the journaling options.
I got my Mi5 from Gearbest last year, which started to lag after a short period of time independent from the ROM I used:
I think I started out with MIUI 8.1.2.0 .
After a while I upgraded to the first Nougat based MIUI version.
I moved on to a CM based custom ROM (RR 5.8.5).
Now I'm on LineageOS 15.1.
With all these ROMs the phone was smooth in the beginning but started to lag significantly over time. It's really bad when using Second Space respectively switching to another user (vanilla Android version of Second Space). I have ~100 apps installed and mirrored the setup on my old phone (ZUK Z1) which doesn't lag at all.
I find it really hard to isolate the issue but after using SD Card Test I am pretty sure there's some issue with the internal SD card.
The storage is supposed to get sequential read speeds of over 300-400 MB/s and write speeds of at least 100 MB/s.
The benchmark test however starts out at around 30-40 MB/s and then continously drops until it goes to under 10 MB/s.
Interestingly if I use fstrim before the benchmark, it starts out at over 100 MB/s - but then drops down again after some time.
Does anyone have a clue what's wrong with my device? Is there any way to fix this?
Same here. It's difficult to track it down. It needs logging and accessing behaviors, ram usages, etc.
@NikitoGR What are you results with SD Card Test? I edited the OP.