yashsingh1/xdaforums huggingface dataset:
[General Accessories] garychencool:
Patriot LX Series 32GB microSDHC Class 10 Card - PSF32GMCSDHC10

So I recently bought the Patriot LX Series 32GB microSDHC Class 10 Card which was just $40 at a store. The Model: PSF32GMCSDHC10

Here's the initial run by SD Tools, the Android App, this was the best out of the 10 tests.

Here's the CrystalDiskMark Test using Windows 7 and a USB Card Reader

This is a single test using 500MB

Test Stats:

-----------------------------------------------------------------------

CrystalDiskMark 3.0.1 (C) 2007-2010 hiyohiyo

Crystal Dew World : http://crystalmark.info/

-----------------------------------------------------------------------

* MB/s = 1,000,000 byte/s [SATA/300 = 300,000,000 byte/s]

Sequential Read : 19.894 MB/s

Sequential Write : 10.710 MB/s

Random Read 512KB : 19.517 MB/s

Random Write 512KB : 0.855 MB/s

Random Read 4KB (QD=1) : 3.675 MB/s [ 897.1 IOPS]

Random Write 4KB (QD=1) : 0.008 MB/s [ 2.0 IOPS]

Random Read 4KB (QD=32) : 3.658 MB/s [ 893.0 IOPS]

Random Write 4KB (QD=32) : 0.008 MB/s [ 2.0 IOPS]

Test : 500 MB [L: 0.0% (0.0/29.8 GB)] (x1)

Date : 2012/04/24 15:54:43

OS : Windows 7 Ultimate Edition [6.1 Build 7600] (x86)

This is a single test using 4000MB

Test Stats:

-----------------------------------------------------------------------

CrystalDiskMark 3.0.1 (C) 2007-2010 hiyohiyo

Crystal Dew World : http://crystalmark.info/

-----------------------------------------------------------------------

* MB/s = 1,000,000 byte/s [SATA/300 = 300,000,000 byte/s]

Sequential Read : 19.793 MB/s

Sequential Write : 9.811 MB/s

Random Read 512KB : 19.460 MB/s

Random Write 512KB : 0.855 MB/s

Random Read 4KB (QD=1) : 3.468 MB/s [ 846.7 IOPS]

Random Write 4KB (QD=1) : 0.008 MB/s [ 2.0 IOPS]

Random Read 4KB (QD=32) : 4.044 MB/s [ 987.3 IOPS]

Random Write 4KB (QD=32) : 0.008 MB/s [ 2.0 IOPS]

Test : 4000 MB [L: 0.0% (0.0/29.8 GB)] (x1)

Date : 2012/04/24 16:31:50

OS : Windows 7 Ultimate Edition [6.1 Build 7600] (x86)

General Performance Experience Review: Although the benchmarks for random read and write were horrible, when I stared running apps such as 3D games, the speed of the loading was much faster. What would usually take a minute to load would now only take 20 seconds. On average, I'm getting faster loading times with games raging from twice as fast to six times as fast. So yeah, higher class cards load large games and stuff faster. The speed of using EverNote and opening the notes were the same, everything else was either normal, or slightly faster (the apps that run off the SD card).

Loaded Games include:

Dungeon Hunter 2 (6x)

Modern Combat 3 (but during actual gameplay, it lags) (6x)

MineCraft: Pocket Edition (4x)

Angry Birds Space (4x)

Assasin's Creed HD (4x)

Cytus (6x)

Dead Space (4x)

CS Portable (6x)

So TL;DR: This Class 10 card is working fine for me in terms of actual experience.

Compared to the below 32GB SanDisk Class 4 card, this Patriot card is better for reading and writing, not so much for Random Reading and Writing (It sucks).
[General Accessories] staynam:
Sandisk is e best,

in terms of speed and stability.

I happened to use Sandisk SDHC a few years ago and after that all of my cards are sandisk. U could expect its class 6 to outperform most of the class 10 by other brands. Furthermore, if not wrong, life-time warranty?
[General Accessories] cajunflavoredbob:
Class ratings are a standard. SanDisk Class 6 is the same speed (roughly) as any other brand selling a Class 6 card. I prefer SanDisk over others as well, but fair is fair.
[General Accessories] MII9100:
Looking for a lager memory card to carry my tons of music... great job~ thx
[General Accessories] mehtaparth:
Can Someone Suggest me Which Card To Buy.

I am planning to store a lot of music and video files.. And also may try to use the dual rom on my Galaxy s 2.. So some suggestions will be useful..

I was planing to buy the sandisk mobile ultra 32Gb class6

This one :-

http://www.flipkart.com/sandisk-mem...lA--&ref=e67c8b37-3aa3-4cbf-b061-4627750a7fe0

WHAT YOU SUGGEST
[General Accessories] cajunflavoredbob:
Read back in the thread, we've answered this question multiple times already.
[General Accessories] dk0108:
bought a sandisk 16GB class 4.. thanks :)
[General Accessories] mdhissam:
My 32gb SD Card is not working properly every time i put in the computer is asks foe a format or show error. please advise:mad:
[General Accessories] cajunflavoredbob:
Let it format the card properly. The flash memory may have become corrupted. If the card still gives you problems after formatting it, then you should buy a new one.
[General Accessories] pshadoww:
wow~ this is very useful info~ thank you
[General Accessories] ceyrekoto:
WOUWWWWW this is perfect job bro thank u for ur work...

I was had one coin and u was had one coin and we exchange the coins now u have a one coin and me too... but I was had one knowledge, u was had one knowledge and we exchange the knowledges now u has 2 knowledges and me too SHARING IS GOOD THING!!!
[General Accessories] Braxos:
Adata 32gb class10
[General Accessories] MiltonBx:
Very helpful information. Thanks alot!
[General Accessories] shinydesert:
I bought my Samsung microSD SDHC 32gb Class10 on Ebay,which if you ask me after running some tests,I think the guy is selling knock-offs.

This was the Ebay seller

I will keep sharing my experience with this.
[General Accessories] MrMrMr111:
I used to buy memory cards of ebay, until in my PSP days, I ordered a 8Gb Sony memory stick thing. It was the slowest thing ever, I then had to reformat it, and.it was really a 1Gb memory stick. Not sure how they said it, but was all over the web.

I now by from amazon, MyMemory for better quality
[General Accessories] nicesoni_ash:
Wow.. This thread has huge info to grasp.. but I guess it's too much for a newbie like me.. Would it be possible to get the best answer about which 32 gb card should I go for which would be best for my SGSIII..

Thanks.
[General Accessories] Lakino:
Your test results show that the card tested is definitely not a class 10 card. So I would agree with your conclusion that it's a knock-off.
[General Accessories] ChronicSmoker:
Hi, I have a nokia n79 and I'm gonna buy a new HTC Desire Z (G2), and originally I wanted to buy a 32gb class 10 card to use with the n73, and then with the desire z.

But, after reading so many things regarding the class issues, I now think the class 4 it's the best choice for me, however, I'm very confused :confused:

I'm using the n79 phone for calls and text at first, then I use it for the photos, sometimes the videos, always like an mp3, and for the wifi. Almost don't use apps. With the HTC, I'm planning to use it almost for the wifi and android, and music/photos then.

Do you think the class 4 it's a better choice for me?

My first choice was an Lexar 32GB SD HC Class 10 that I saw on ebay for $36,49 with the shipping included (I saw one 32gb SanDisk OEM TF class 4 at eforchina for about $25, but I was afraid that's counterfeit).

At this moment, after all I read about this, I saw a couple of SanDisk 32gb class 4 on ebay for about $22. Which one do you think I should buy?

Thanks in advance ;)
[General Accessories] tyraelasd:
Hey guys,

Im about to buy an Ascend P1 ( smartphone ) and it has 1080p video capabilities ( record and play ).

Im not a photographer or something like that, but I enjoy watching videos and recording videos sometimes as well as taking pictures ( no burst mode ). I used to play a lot games as well. I want my phone to be fast and my sd card help the device to make my multimedia experience better.

So wich one will suit my needs the best?

SanDisk Mobile Ultra 32GB Micro SDHC----> this one is Class 6 ( guessing that its better than the same sandisk class 4 )

or another one (Lexar, Samsung) 32gb Class 10?

Thank you

Edit. I just read about 20 pages but I cant find the answer yet.
[General Accessories] Paramount X:
Samsung 32GB Class 10 Results

Warning: Only 30422 of 30423 MByte tested.

Test finished without errors.

You can now delete the test files *.h2w or verify them again.

Writing speed: 5.99 MByte/s

Reading speed: 14.7 MByte/s

H2testw v1.4

I bought this off of eBay.

Should these results be so low? The Writing speed?
[General Accessories] Lakino:
No, the write speed should not be this low. Given your test results, it appears your card is not a Class 10 card.
[General Accessories] Paramount X:
What should I say to the ebay seller?

I heard people gettting fake cards from ebay. Like a 16 was a 4gb and what not. This wasn't a wrong size card. The write speed is low, what class you think this is?
[General Accessories] DoRiLoN:
Guys I bought this card http://www.amazon.de/gp/product/B006LX2QE8/ref=oh_details_o00_s00_i00 and I'm getting writing speeds between 8-9,5 MB/s and reading 18-20 MB/s. I dont think the writing speed is normal, do u?
[General Accessories] SniperPL:
Normal speed
[General Accessories] ChronicSmoker:
So, I opted for the SanDisk 32gb class 4 (instead of the Samsung 32gb class 10), for my Desire Z. Hope that I made the right choice :o
[General Accessories] lagittaja:
Hi guys. I'm getting two of these tomorrow. Got them on sale for only 29€ a pop (normal prices for 32gb class 10's sail anywhere between 45-100€ in Finland)

Samsung microSDHC 32GB Class 10 (MB-MSBGA/EU)

I'll run some tests on my Galaxy Note and as well on my computer using Huawei E367 as the reader.
[General Accessories] lingux:
i bought mine (Samsung 32GB 32G Class 10 MicroSD C10 MicroSDHC Flash Memory Card Model MB-MSBGA/KR MBMSBGVEOBGA-SH) from amazon
[General Accessories] ChronicSmoker:
Here are the benchmark test results for the microSDHC SanDisk 32gb class 4 that I bought on ebay. What do you think?
[General Accessories] ChronicSmoker:
By the way, if anyone want one, I bought it from here.
[General Accessories] lagittaja:
Looks good. Random 512k write is a tad low if you ask me but otherwise all good.

On my GT-N7000 the Samsung 32GB class10 scored 10.38MB/s write and 18.48MB/s using SD Card Tester (can be found on Play Store) with 3700MB file size.

Here's the second card I got using Huawei E367 as the reader.

Both my Note and the Huawei 3G modem seem to be bottle necking the cards, the Note being a lot better.
[General Accessories] ChronicSmoker:
To be honest I'm a bit afraid that I taken the wrong decision on go for the class 4 instead of the class 10, but I'll only know this when my desire z arrive.
[General Accessories] tradesteady:
Thanks for the sharing,OP!

I got a 32GB which mentioned class 10 and in fact is class 4 last year,could get refund if know this earlier...anyway,will never get sucked again...
[General Accessories] xyell0w:
So for my galaxy sIII should I buy a 32 gig class 4 or class 10? If class 10, would this one be good? http://www.pcgarage.ro/carduri-memorie/kingmax/micro-sd-hc-32gb-clasa-10-plus-adaptor-sd/

if class 4 , what about this ? http://www.pcgarage.ro/carduri-memorie/a-data/micro-sdhc-32gb/
[General Accessories] ChronicSmoker:
Depends on the use you will do with the phone. Class 10 is better for transferring data or for shooting a lot of high res video and pictures. Class 4 is better for general use where you have a ton of apps and data cached on the SD card.
[General Accessories] djtutis:
The best micro sdhc wbich i've use is Samsung Micro SDHC 32GB Class 10 (the black one not the white). I think that this memory card and a Transcend Extreme Speed (which is red and grey) is the fastest micro sdhc cards!
[General Accessories] RoadToNever:
The one to beat right now is Transcent Ultimate 32GB Class10 IMO. Benches nice on the internets ~1.5MB/s random 4k write, ~10MB/s seq. write, ~20MB/s seq. read.
[General Accessories] androidyurdu:
whic sd card is suitable for GS3

I purchased a new phone, Galaxy S III. Which Sd card model is suit for this phone?
[General Accessories] :
A Class 10 mSD is highly recommended for the SGS3. For example put in a Samsung 32GB Class 10.
[General Accessories] wickedankit007:
Thanks a lot dude i was really confused between a Class 4 and class 10 memory card after reading your thread going to order a Sandisk class 4 32gb SDHC card
[General Accessories] ETFoneHome:
Thanks to this thread I now understand the popularity of the Sandisk class 4 disks on Amazon. The random read -- and especially the random write is significantly higher than most class 10. For most smartphones and tablets users this will do very nicely.
[General Accessories] markintut:
Could you run 1000MB test?
[General Accessories] lagittaja:
I'll run proper tests when I get my new Kawau microSD reader.

That Huawei modem I previously used bottlenecked the card quite hard.
[General Accessories] zangoo:
this is my data

card brand: Samsung

Memory Size: 32gb

class type: class 10

MB/s = 1,000,000 byte/s [SATA/300 = 300,000,000 byte/s] Sequential Read : 17.535 MB/s Sequential Write : 13.857 MB/s Random Read 512KB : 17.872 MB/s Random Write 512KB : 11.686 MB/s Random Read 4KB (QD=1) : 3.429 MB/s [ 837.1 IOPS] Random Write 4KB (QD=1) : 1.068 MB/s [ 260.8 IOPS] Random Read 4KB (QD=32) : 4.232 MB/s [ 1033.1 IOPS] Random Write 4KB (QD=32) : 1.465 MB/s [ 357.7 IOPS] Test : 50 MB [A: 0.0% (0.0/29.8 GB)] (x5) Date : 2012/06/22 23:11:19 OS : Windows 7 Ultimate Edition [6.1 Build 7600] (x86)[/IMG]
[General Accessories] lagittaja:
Here is the Samsung 32Gb class10 which I have in my phone.

SD Card Tester is really nice for testing the sequential speed.

Hopefully my new USB microSD reader arrives on monday. It was supposed to be here on thursday, it actually was here, but Itella ****ed up something and currently the package is back in Itella's sorting center located in Helsinki. Aaargghh.
[General Accessories] DSR!:
good work!
[General Accessories] cognitivedissonance:
Different item numbers? (paranoia)

Just wondering if anyone can tell me why the SanDisk cards listed on amazon have slightly different item numbers than the cards listed on the SanDisk site.

http://www.sandisk.com/products/mobile1-memory-products/microsd-and-microsdhc-card

http://www.amazon.com/SanDisk-Mobile-microSDHC-Card-SDSDQ-032G-AFFP/dp/B007KFXIDE

www.amazon.com/SanDisk-microSDHC-Memory-Packaging-SDSDQM-032G-B35/dp/B004G60AD6

This one appears to have the same number, but for some reason doesn't have as many reviews? *confused*

http://www.amazon.com/SanDisk-32GB-MicroSDHC-Class-SDSDQ-032G-A11M/dp/B005OGWJUE
[General Accessories] cajunflavoredbob:
Usually it's only a difference in the packaging, or the model year that the item came from. They appear to be the same cards, just coming from different runs, or packages.
[General Accessories] Driver'z:
i'm use Kingston SD SDC10/32GB
[General Accessories] cognitivedissonance:
Are SanDisk Class 4 cards still king of the hill when it comes to random access speeds?
[General Accessories] cajunflavoredbob:
Yes.
[General Accessories] El Mariach1:
http://www.ebay.co.uk/itm/OEM-32GB-...MemoryCards&hash=item46025322c2#ht_1904wt_905

Is this card really a class 10 or is it a fake? The seller is a top-rated seller with positive feedback, but at this price, I'm not sure..
[General Accessories] cajunflavoredbob:
I never trust unbranded SD cards. Go with reputable names. Positive feedback doesn't mean much since most people don't know what the class ratings even mean. Most users think higher numbers is better.
[General Accessories] Technosquid:
I've bought and benchmarked both cards via usb 2.0 reader and usb 2.0 port. The SDSDQ-032G-A11M one is older and used to be labeled Class 2 up until around October 2010 when they started labeling the same card Class 4 without model number change.

SDSDQ-032G-A11M (bought and tested December 2010)

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CrystalDiskMark 3.0 x64 (C) 2007-2010 hiyohiyo

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Sequential Read : 7.678 MB/s

Sequential Write : 5.014 MB/s

Random Read 512KB : 7.470 MB/s

Random Write 512KB : 4.703 MB/s

Random Read 4KB (QD=1) : 0.969 MB/s [ 236.6 IOPS]

Random Write 4KB (QD=1) : 2.003 MB/s [ 489.0 IOPS]

Random Read 4KB (QD=32) : 0.574 MB/s [ 140.1 IOPS]

Random Write 4KB (QD=32) : 1.746 MB/s [ 426.3 IOPS]

Test : 100 MB [E: 0.0% (0.0/29.7 GB)] (x5)

Date : 2010/12/23 13:48:47

OS : Windows 7 Ultimate Edition [6.1 Build 7600] (x64)

-----------------------------------------------------------------------

SDSDQM-032G-B35N (bought and tested November 2011)

-----------------------------------------------------------------------

CrystalDiskMark 3.0.1 x64 (C) 2007-2010 hiyohiyo

-----------------------------------------------------------------------

Sequential Read : 20.015 MB/s

Sequential Write : 4.396 MB/s

Random Read 512KB : 19.352 MB/s

Random Write 512KB : 0.732 MB/s

Random Read 4KB (QD=1) : 2.587 MB/s [ 631.7 IOPS]

Random Write 4KB (QD=1) : 1.185 MB/s [ 289.2 IOPS]

Random Read 4KB (QD=32) : 2.542 MB/s [ 620.6 IOPS]

Random Write 4KB (QD=32) : 0.720 MB/s [ 175.9 IOPS]

Test : 100 MB [H: 0.0% (0.0/29.7 GB)] (x5)

Date : 2011/11/14 18:10:32

OS : Windows 7 Ultimate Edition SP1 [6.1 Build 7601] (x64)

-----------------------------------------------------------------------
[General Accessories] Mariacci:
Samsung device + Samsung micro sd card = epic win. 32GB, class 10.
[General Accessories] cognitivedissonance:
Technosquid, thank you so much for all the extra info! That's extremely helpful and will definitely help me choose the right card!
[General Accessories] germao:
What's the difference between the classes? Does it make any difference in a daily use?

Enviado desde mi GT-I9300 usando Tapatalk 2
[General Accessories] cajunflavoredbob:
Please read through the thread. You're probably the fiftieth the person to ask this same question. It's been answered so many times before.
[General Accessories] Technosquid:
The classes don't mean much lately. You have to look at the benchmarks. Lots of the lower cost class 10 cards have the same blazing fast sequentials as the more expensive ones, but they have much slower 4k random writes (like 50 times slower.) So don't buy a Class 10 unless you've heard from someone who has some experience in these things that it's OK to buy.

Since you have a new Samsung Galaxy S3, I really think you should treat it to a nice SD card.

I personally endorse all of these cards:

SDSDQUA-064G-A11A

SDSDQUA-064G-U46A

SDSDQUA-032G-A11A

MB-MSBGA/US, MB-MSBGA/EU, MB-MSBGA/KR, etc.

(If you know for sure that The S3 supports UHS-I, then select from the top three.)

I paid special attention to SD card benchmarks because I'm using a Windows Phone, with an SD card slot which integrates the 1GB ROM and the 32GB SD card into a single storage pool, so random access times are very important.

Someone else could probably be better suited to speak about the whether or not Android needs great random reads and writes. The last time I had an android handset it was using a runs-from-SD-card Android installation, where random reads and writes were very important. In your case, maybe not.
[General Accessories] lagittaja:
So I finally got the new Kawau C266 USB2.0 microSD reader.

Here are the results for the Samsung 32GB class10 microSDHC card (MB-MSBGA/EU)

Random writes are a tad low on the 1000MB test though :(

1000MB (stock with FAT32 @ 32Kb)

50MB (stock with FAT32 @ 32Kb)

50MB (FAT32 @ 64Kb)

HD Tune Pro 5.0 Read
[General Accessories] Mesaman2012:
Is the name brand pny good?
[General Accessories] cajunflavoredbob:
They get average ratings. I stick to well known brands like SanDisk, Kingston, and Samsung, though.
[General Accessories] kikian94:
and the samsung 32 GB?
[General Accessories] RoadToNever:
I don't get why so many boast Samsung, check out Transcend class 10 32GB :
[General Accessories] arioprobo:
this is what i am looking for,

THANKS.. great info, now i dont have to look for class 10 cards, its twice more expensive in my place.. :cowboy:
[General Accessories] noob333:
samsung 32gb class 10

just got the samsung 32gb class 10 microsdhc.

i feel like the sequential read is kinda off from other tests i've seen. only getting 15-16MB/s on seq read.

other people are getting around 20MB/s on seq read.

does the sd adapter affect the read speeds? could it be fake?

i tested the capacity and it is correct, plus it does show that it is a class 10 from the benchmark (10.06MB/s seq write). not sure what is up.

any one have theories as to why sequential read is slow like this?
[General Accessories] Mikezilla:
Wow, very useful post. Looks like I'll be using this to find a card.
[General Accessories] lagittaja:
Your card reader propably is just bottlenecking your card. See my recent posts in this thread where I tested the Samsung 32gig class10 first on a 3g modem card reader and then I tested it on a Kawau C266 card reader, big difference in speeds.
[General Accessories] kashifkashu:
Ohhh man !!! great info. My all doubts are clear now, thanx :good:
[General Accessories] JessyCute:
Thank you for testing result. Then, I have decided to buy SanDisk32G Class4. (Cheaper and High Performance) ^^
[General Accessories] renato.rex:
my question is why cell phones have a limit on memory size?

Wave is now on 32gb but mine is almost full (navigator, games, videos .......)

Good post THX
[General Accessories] nstarz:
-----------------------------------------------------------------------

CrystalDiskMark 3.0.1 x64 (C) 2007-2010 hiyohiyo

Crystal Dew World :

-----------------------------------------------------------------------

* MB/s = 1,000,000 byte/s [SATA/300 = 300,000,000 byte/s]

Sequential Read : 17.424 MB/s

Sequential Write : 10.159 MB/s

Random Read 512KB : 17.303 MB/s

Random Write 512KB : 1.705 MB/s

Random Read 4KB (QD=1) : 3.669 MB/s [ 895.8 IOPS]

Random Write 4KB (QD=1) : 0.027 MB/s [ 6.6 IOPS]

Random Read 4KB (QD=32) : 3.509 MB/s [ 856.7 IOPS]

Random Write 4KB (QD=32) : 0.023 MB/s [ 5.6 IOPS]

Test : 50 MB [G: 4.6% (1.4/29.9 GB)] (x1)

Date : 2012/07/12 15:36:51

OS : Windows 7 SP1 [6.1 Build 7601] (x64)

Adata Class 10 MicroSD

-----------------------------------------------------------------------

CrystalDiskMark 3.0.1 x64 (C) 2007-2010 hiyohiyo

Crystal Dew World :

-----------------------------------------------------------------------

* MB/s = 1,000,000 byte/s [SATA/300 = 300,000,000 byte/s]

Sequential Read : 10.959 MB/s

Sequential Write : 5.485 MB/s

Random Read 512KB : 11.131 MB/s

Random Write 512KB : 0.632 MB/s

Random Read 4KB (QD=1) : 2.306 MB/s [ 562.9 IOPS]

Random Write 4KB (QD=1) : 0.010 MB/s [ 2.4 IOPS]

Random Read 4KB (QD=32) : 2.385 MB/s [ 582.3 IOPS]

Random Write 4KB (QD=32) : 0.012 MB/s [ 2.9 IOPS]

Test : 50 MB [G: 5.9% (452.3/7683.0 MB)] (x1)

Date : 2012/07/12 15:32:33

OS : Windows 7 SP1 [6.1 Build 7601] (x64)

8GB Samsung Class 2