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Hello again,
Im Running WG 8.5 and I currently have the SD Card that came with the G1. Im looking to buy a new one and I don't really care about apps to sd.. I just want enough space for my music and pics and my cache. So, the one im looking at is 8gb class six. Is this ok? Or do I need a class 4?
Thanks for all your help,
Mike
nopotential said:
Or do I need a class 4?[/INDENT]
Thanks for all your help,
Mike
Click to expand...
Click to collapse
Why would you buy class for instead of 6?
Thats like getting a G1 instead of a cliq
If you're not running apps2sd, class doesn't really matter. Truth be told my class 2 card ran apps2sd just as fast as my class 6. Run what you want.
In order of fastest to slowest:
SanDisk Class 6 8G
http://www.newegg.com/Product/Product.aspx?Item=N82E16820171389
Transcend Class 6 8G
http://www.newegg.com/Product/Product.aspx?Item=N82E16820208463
AData Class 6 16G
http://www.newegg.com/Product/Product.aspx?Item=N82E16820211378
I have all of these cards, and they are all considered fast, but the SanDisk is the speediest IMO.
Why would you buy class for instead of 6?
Thats like getting a G1 instead of a cliq
Click to expand...
Click to collapse
That makes no sense. I predict you did poorly on the verbal SAT's?
t1n0m3n said:
In order of fastest to slowest:
SanDisk Class 6 8G
http://www.newegg.com/Product/Product.aspx?Item=N82E16820171389
Transcend Class 6 8G
http://www.newegg.com/Product/Product.aspx?Item=N82E16820208463
AData Class 6 16G
http://www.newegg.com/Product/Product.aspx?Item=N82E16820211378
I have all of these cards, and they are all considered fast, but the SanDisk is the speediest IMO.
Click to expand...
Click to collapse
Does it make a big difference? I currently has a Sandisk Class 2 8GB, wonder if it will be much faster upgrading to a Class 6 card? I heard that some Sandisk Class 2 are as fast, if not faster, than many competitors' Class 6. But Sandisk Class 6 seems very rare here and costs quite a bit more.
BTW, Is there a way to figure it out in the G1...? I mean, the performance.
Thx!
This is the ATTO results of my Sandisk 8GB Class 2 in a Transcend USB 2.0 reader. Do you think upgrading to a Transcend Class 6 will speed it up...? Currently the phone feels kind of sluggish sometimes, I've enabled Compcache and has a 128MB swap partition and is running the latest Cyanogenmod.
Thanks!
Sandisk 8GB Class 2
s15274n said:
That makes no sense. I predict you did poorly on the verbal SAT's?
Click to expand...
Click to collapse
How could i?, i'm not old enough to take it yet.
Let me jump on that.... I have a similar setup running a class4 though. I'd like to add some results from h2benchmark but every time I start that program, my SD-card gets unmounted... sorry BTT
Will I "feel" a boost in speed by getting a fast class 6? Are there any benchmarks telling me which one really is best value for money?
How could i?, i'm not old enough to take it yet.
Click to expand...
Click to collapse
Haha, my bad man. You made it sound like the Cliq is better than the G1... which is way off in my opinion.
If you have Apps2SD a higher class card should help. If you notice... well, thats another thing.
Ooops... I thought partitioning the card with a swap partition does it. It doesn't, you have to run swapon to enable the swap manually.
Better yet, download an app called "user.conf Creator" from the market and use it to modify the user.conf and userinit.sh, the swap will be enabled automatically at each boot.
Compcache and Compcache with backing swap don't seem to as "speedy" as linux-swap-only. And I read somewhere that compcache plus linux-swap is not good either.
Maybe when Compcache will compress the page before sending it to the disk, it will be more efficient.
I'm going to try BFS + 10MB hack and see what gives.
References:
http://forum.xda-developers.com/showthread.php?t=581328
http://code.google.com/p/compcache/wiki/StatsExplained
Edit: BFS + 10MB hack DOES make a difference, the phone feels more snappy. Now, shall I upgrade to a Class 6 MicroSD...? : )
Guys what're your MicroSD cards doings? Post some ATTO results of them tested in a decent reader please... : )
http://www.techpowerup.com/downloads/1137/ATTO_Disk_Benchmark_v2.34.html
Looks like the Toshiba Class 4 is not bad... Even better than the Transcend Class 6...
http://bbs.beargoo.com.cn/redirect.php?tid=2140969&goto=lastpost (sorry the text is in Chinese but you need the graphs only anyway)
Toshiba 8GB Class 4 MicroSD
Sandisk 8GB Class 2 MicroSD
HAHAHA that class 2 was that much better? This is why I hate labels like 2g/3g/4g for networks and class 2/4/6 for sdcards. You never really know what your getting.
Some alternate explanations for your results however:
-the class 4 was heavily fragmented
-the class 4 was near full
The Toshiba was still faster but the Sandisk, although labeled at Class 2, has as good read performance as some Class 6 ones.
The cards were formatted before use and even then, they've not been subjected to heavy uses.
Besides, AFAIK fragmentation is not a big problem for SLC and newer MLC modules.
so should I get that sandisk 8gb class 4 or an a data 8gb class 6?
hiddengopher said:
so should I get that sandisk 8gb class 4 or an a data 8gb class 6?
Click to expand...
Click to collapse
My 4 is faster than my 6 and both are sandisk so its up to you. Maybe i need to defrag my class 8 or maybe its faulty who knows.
hmm, wouldn't the a-data class 6 average higher though because the minimum is 6 instead of 4?
So far I have have seen mixed reports that the Incredible supports 16, 24, 32GB Micro SD. So, what is the max size?
Also, what speeds can it support? Class 6, higher?
I currently have a 16gb class 6 card and haven't had any troubles. I would imagine no troubles with a 32gb card as well.
Sent from my ADR6300 using Tapatalk
Incredible supports up to 32gb but not actually able to format the card.
I am using 16GB with no problem.
This is a question for those who have used both Class 2 and Class 6 card and have TONS of music, do you guys notice a difference in load times when switching between Artist/Albums/Genres? I know class rating designates write speeds, but i am just curious if there is a noticeable difference in read speeds.
jivephish said:
This is a question for those who have used both Class 2 and Class 6 card and have TONS of music, do you guys notice a difference in load times when switching between Artist/Albums/Genres? I know class rating designates write speeds, but i am just curious if there is a noticeable difference in read speeds.
Click to expand...
Click to collapse
I don't know about music (since I use an iPod Touch for that), however the OEM looking packaged (no class information or other details on it) 2GB SanDisk MicroSD card I was given by Verizon when I bought/activated my Incredible provides a solid 6MB/sec write and 8MB/sec read speed (I'm pretty sure it's a Class 2 device, SanDisk just happens to make quality cards).
I think current CPU use + programs/services running in the background would have more to do with any lag in the situation you describe than anything else.
With regards to Class 6 vs. Class 2, the ones that have the 16Gb Class 6 card, do you have any issues mounting the card from Recovery mode? I have a 8Gb Class 6 card and it does not mount in Recovery mode (formatted properly/etc). Also, can we get the make/model of the cards that are Class 6 and works in Recovery mode?
Thank you.
-Mike
I have a 32gb card in my Incredible, and it works just fine. However, as mentioned above, the phone cannot format the card, so you have to format it in your computer, before you install it in your phone.
Thank you spotmark, I have VZW's 32 Gb Sandisk card [think those are c2] on the way, and you just saved me a TON of frustration!! I'd have been trying to format it w/ the phone. Kudos kind sir!
I am using 32gb class 2 from Verizon store. Benchmarks as a class 6. No issues w/ 720P or formatting. I did slow format with w7, took some time but no issues. Usable 29.71G
Edit: Only time I notice lag is USB mass storage takes maybe 30 seconds to show card. Until then it shows as an empty removable drive. With my 8g C6 it shows immediately. Same when phone is "preparing SD Card" It takes a few seconds with the 32g.
ToyTank said:
I am using 32gb class 2 from Verizon store. Benchmarks as a class 6. No issues w/ 720P or formatting. I did slow format with w7, took some time but no issues. Usable 29.71G
Edit: Only time I notice lag is USB mass storage takes maybe 30 seconds to show card. Until then it shows as an empty removable drive. With my 8g C6 it shows immediately. Same when phone is "preparing SD Card" It takes a few seconds with the 32g.
Click to expand...
Click to collapse
Tank - Thanks for the context and learning - I didn't know those actually rated/benchmarked to a c6! Cool - this gets better and better!
I Also know what to watch for/expect on PC and handset when the card arrives. Gracias!
I ordered a class 6 16gb card to replace the slow-ass class 2 8GB card I had in my HD2.
First of all I couldnt find the format sd tool in my energy rom (1st July) so I had to format the card using vista while the HD2 was connected in disk drive mode. THAT TOOK OVER 1 HOUR.
(Is there a cab file to install the "Format SD Card" tool for the newer energyroms?)
Anyways after formatting (Fat 32, 16KB cluster), I started to copy my 1.4GB sd backup file to the card using the same method as above (disk drive mode)....
My maximum write speed was 2.7MB/sec. Average 2MB/sec.
Class 2 speeds????
After restoring the backup, which took forever, I ran spb benchmark on the card and was gutted to get slightly lower results than the old class 2 I was replacing.
Can the HD2 make use of anything faster than a class 2 card?
Has anyone here tested a class 6 or even 4 card and found good write speeds (~6MB/sec, or ~4MB/sec)?
Does it sound like I have bought a lemon (class 2 labelled as class 6)?
I have spoken to the seller and he is adamant that they ARE genuine class 6. Reckons he tested some of the batch in TrueHD cameras which will not accept <Class6. Seems genuine and some of his feedback states that the cards are Genuine class 6. Which leads me to think that the bottleneck could be the HD2... Does that sound likely?
I'm waiting for a microsd USB reader to arrive so I can test the card outside of the HD2, but Until I can do that... can anyone tell me if a class 6 is wasted in a HD2?
The strange thing is that when browsing photos/wallpapers etc, the thumbnails ARE loading maybe 3x quicker than my old class 2. So I'm pretty confused about this one.
Can anyone shed any light here? Feel free to post benchmark results/screenshots etc.
Thanks in advance.
can anyone PLEASE answer this ^^^?
Is there any point having a class 6 card in the HD2 instead of a class 2 or 4 card?
there is a thread in the accessories section have a gander in there, I no this is Q&A's but lots of talk about mem cards in the accessories section mate
Cheers mate, I'll take a look.
I will move this thread there. I also recently bought a Class 6 card and and have seen a huge improvement in media reading and over all performence.
I get 4-5MB/s both for reads writes with my 16GB class 6 card in disk drive mode.
Thanks zelendel and kilrah.
kilrah said:
I get 4-5MB/s both for reads writes with my 16GB class 6 card in disk drive mode.
Click to expand...
Click to collapse
That is exactly the kind of data I'm looking to compare.
Whith my 'class 6' Im getting just under 3MB/S WRITE and under 6MB/S READ when using the HD2 in disk drive mode.
If I use the card in a USB 2.0 reader I can get around 5.5MB/S Write and ~11-13MB/S read.
Based on this alone would you say my card is a class 6 or not. I'm beginning to think it may be a class 4 re-labelled.
Picture browsing etc is faster with my class 6 but all benchmarks indicate it is identical speed to my genuine Kingston Class 2.
What do you guys reckon, Should I send this card back for a refund???
Well if you're getting 5.5 and over 11MB per second with a card reader then we can safely assume it's class 6. The bottleneck is something to do with the phone, rom, cable or simply the phone doesn't like this particular card etc...
EDIT: Test your class 2 card with the memory card reader and see if you get similar results.
ez2remember said:
Well if you're getting 5.5 and over 11MB per second with a card reader then we can safely assume it's class 6. The bottleneck is something to do with the phone, rom, cable or simply the phone doesn't like this particular card etc...
EDIT: Test your class 2 card with the memory card reader and see if you get similar results.
Click to expand...
Click to collapse
Thank you for helping me clear things up.
Comparing the 'class 6' and the 'class 2' transfer speeds is where I really get confused here.
Transferring a ~700MB .Avi to and from SD using a reader:
Kingston Class 2 8GB:
Read 12.5MB/s
Write 5.4MB/s
Unbranded Class 6 16GB:
Read 12.5MB/s
Write 6MB/s
So, from this, would you say its safe to assume:
1. The class 2 card is a good one, performing at almost class 6 speeds.
2. The class 6 card is 'Genuine' and shouldnt be returned.
3. There is a bottleneck when using the HD2 as a card reader/disk drive. I should be getting more than 2.5mb/s write speeds in this mode.
4? Does 12.5MB/sec sound close to USB 1.1 speeds? could my reader or even USB port (Vista laptop) be another bottleneck?
Once again thank you for helping me make sense of all this.
At least I now know that the 16gb card doesnt really need to be returned.
Can you give me your oppinions on the above?
Well class 2 means you should be getting a minimum 2MB/s speeds and class 6 means you should be getting a minimum 6MB/s.
Seems like you have a very good class 2 card.
More info here
http://en.wikipedia.org/wiki/Secure_Digital
Your class 6 is performing to spec.
Personally I would never buy an unbranded card but that's me. A branded card may perform better than there class rating e.g. Your Kingston brand I've always used Sandisk personally...
I've just managed to drum up enough funds to get myself a HD2 and now looking to upgrade my HCSD card to 16GB. To get the "right" class I tried to find the spec on the SD interface but I cannot find anything and the best data I can find is that I shouldn't waste my money on unbranded devices, I would always buy a SANDISK device for something I relied on! For data and communication!
People seem to get appropriate speeds for the class of device they have, if they are branded and sometimes if unbranded. However, there doesn't seem to be anything better than class 6 results debated or given. Is it a VERY rash assumption that the fastest the HD2 interface can go is Class 6?
Chris
Does this mean its not worth getting 32gb cos its a class2
& theat would make the phone slower cos lot more stuff on it
& will take more loading time & play Videos lagy ?
anyone useing 32gb ?
Thanks
My experience was positive with higher class micro SD.
At first, I used 8GB micro SD bundled with my HD2 and didn't notice improved loading speed. Later, I changed it with higher class one, same 8GB, with same manufacturer, Sandisk. Higher class one has name "Ultra" on it. Now with changed SD, loading became WAY faster. "Wow" I realized the higher speed of CPU of HD2.
My 2 pennies.
NEVER EVER buy unbranded memory cards!
Keep an eye on Sandisk cards only and even prefer them to Transcend and Kingston.
Hi al,
Does anyone know whether the Samsung Galaxy S (I9000) would actually profit from a Class 10 microSD? Can it utilize the read/write speed of these microSD's?
If not, what is the max. class which the Galaxy S would actually use to its fullest?
Greetings,
Evert
of course it will
this is one of the fatest phone ever
if you have an External class 4 vs another External class 6 card inside this phone then you copy stuff with Astro File inside the phone you'll notice the difference in speed
and then if you compare the class 6 vs a class 10 external you'll see even more difference
this will be very important when Froyo comes out and we can finally use App2SD, as the apps will write and load faster to & from the SD on a class 10 than a class 6 or 4
don't even bother with a class 2 it'll be painful slow
and that comes by experience running apps on SD on all my previous phones
AllGamer said:
of course it will
this is one of the fatest phone ever
if you have an External class 4 vs another External class 6 card inside this phone then you copy stuff with Astro File inside the phone you'll notice the difference in speed
and then if you compare the class 6 vs a class 10 external you'll see even more difference
this will be very important when Froyo comes out and we can finally use App2SD, as the apps will write and load faster to & from the SD on a class 10 than a class 6 or 4
don't even bother with a class 2 it'll be painful slow
and that comes by experience running apps on SD on all my previous phones
Click to expand...
Click to collapse
What?
Are you basing this on a test, or are you just assuming that the class 10 microSD is theoretically faster then class 6 ?
Biased on that tech specification your making an assumption that we should get this class 10?
The question is weather or not the SGS Vibrant Bus and Data lines can transfer speeds of 80Mbits/s through the MicroSD card slot??
* Class 2: 16 Mbit/s (2 MB/s)
* Class 4: 32 Mbit/s (4 MB/s)
* Class 6: 48 Mbit/s (6 MB/s)
* Class 10: 80 Mbit/s (10 MB/s)
I would say lets buy them and test it out.
I just had 6MBs towards my internal and 5MBs towards my external sd card at the same time trough the usb connector while the sd is a class 2 =p
The sgs would stil benefit from a class 10 i bet
I have just placed an order for a Kingston SDC10/16GB.
What would be an accurate way to measure read/write speed once this card is in my phone? Simply hook it up to PC and pump a large file to it, and see what the speed/bandwidth is?
when performing test, you will always get the fastest speed when the disk is new (empty)
so the proper way to test for performance speed, is to fill the SD card 50% with random files or random sizes, then do a speed test
that will show the true performance of the sd card
you can try these 3
http://www.appbrain.com/app/sdcardbenchmark/com.p8h.sdcardbenchmark
http://www.appbrain.com/app/sd-card-speed-tester/br.com.fast4ward.sdcardspeedtester
http://www.appbrain.com/app/disk-benchmark-free/com.j.diskbenchmark
Very interested in the results myself! Please do let us know how it goes evert!
Any results ?
I'll check them out. Problem is that most seem to test /sdcard, which is the internal SD, and not [correct folder for external SD]...
i also just wondering if class 10 would make any different in data transfer as rite now i'm using class between class 2 and class 6 for 3 of my 5300 (2) i9000 (4) and n7000 (6)..
any result on the test that you have made? thanks!
I use a transcend 16gb class 10 micro sd and i get a write speed of around 14mbps... on other cards i get 5 or 6mbps...
vigneshnallamad said:
I use a transcend 16gb class 10 micro sd and i get a write speed of around 14mbps... on other cards i get 5 or 6mbps...
Click to expand...
Click to collapse
Thanks for the info! Sure feel more confident to get one of these!! Thanks again (and yes i've click the thanks button!) Hehe!!
Regards!
For what it's worth, my speeds are as follows:
Internal: 7mb/s write and 15mb/s read
External: 15mb/s write and 30mb/s read
External is a Transcend class 10 16gb card, almost full and 1yo
Very happy with it
Sent from my GT-I9000 using xda premium
Hello
I got my Legend about 2 months ago, and I have a big problem with storage space...
What is the biggest sized SD card the Legend can use?
What is the type of SD card (micro, mini, etc...)
What is SD card class?
Thank you very much
microSD compliant with SD2.0 Standard (aka microSDHC)
The biggest size available currently is 32GB.
I don't know if even more is possible with microSDHC or if bigger cards will only be possible with SD3.0 (aka SDXC) but that question is not relevant as you can't buy any greater then 32GB yet.
The Class of the SDCard is a measurement for guaranteed minimum speed in random read/write.
The Class does not provide any information about real-world speed or max speed.
For your mobile phone the class is a pretty useless criterion as you don't need any guaranteed minimum speeds but good overall speeds ESPECIALLY sequential.
The guaranteed minimum speed is important for HD Video Cameras for example where you write data all the time at a given speed (resolution).
thanks.
but I DO need class with high speed because I want to use Data2Ext...
Don't pick uSD card based on class !! class tels you MB/s for sequential write only... you need a card that is overall fast, I had 16GB class 10 Kingston and data2ext was just horrible!
Now I'm with class 4 Sandisk mobile ultra and it is in fact faster in every test I ran...
So read reviews before you buy
ye but that is exactly why im asking...
well then, I recommend sandisk mobile ultra as I have it and it is OK, there are probably faster cards...just see the small files read / write speeds in reviews those are of greatest importance
i purchased a kingston 8GB class 4 which crapped out. android kept reported sdcard unexpectedly removed. tried all sorts (formatting in windows, android, quick, long, etc).
RMA replacement did exactly the same, so i'm guessing kingston class 4's are best avoided.
If I recall correctly I have a 16GB microSDHC Class 4 card. After applying data2ext with this card, my Quadrant scores hit around 1500, which is crazy.
This is where I found my card: http://www.amazon.co.uk/SanDisk-16G...P06K/ref=sr_1_1?ie=UTF8&qid=1298984123&sr=8-1
I personally recommend this card.
witch is better class 4 or class 6?
r69001 said:
Hello
I got my Legend about 2 months ago, and I have a big problem with storage space...
What is the biggest sized SD card the Legend can use?
What is the type of SD card (micro, mini, etc...)
What is SD card class?
Thank you very much
Click to expand...
Click to collapse
Did you by any chance go to HTC's website to read about the phone? It has the full specs listed..
Sent from my Legend using XDA App
dangal said:
witch is better class 4 or class 6?
Click to expand...
Click to collapse
class 6 is better , but class 10 is even better
I've got a Sandisk Ultra Mobile 16gb SDHC which works fine in the Legend. Make sure you format it with the phone to stop it being dismounted, well known issue and the fix