SD Card Speed Postings! Participation wanted!

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cgibbons51

Senior Member
Nov 7, 2012
562
105
Warwick RI
Google Pixel 6 Pro
1)Lexar 16GB (14.91GB Actual Size)
2)$9.99 at Big Lots
3)Awesome for it's price read and write speeds are pretty good :) (Read sometimes goes to 30MB/s but usually goes to speed in pic)
s16hYQF.png
 
Last edited:

seriousfish

Senior Member
Jun 22, 2012
53
18
Kuala Lumpur
Sad speed for class 10 card

Hi, I bought a SanDisk 64gb class 10 ultra uhs-1 microsd card but Im getting a class 4 read/write speed.

It was a mere 11mbps read and 8mbps write

I tried formatting to fat32 but to no avail.. prior to the format I noticed that my card have another unused 16mb logical partition. What format should it be in? Tried the guide using windows no-LBA format but failed due to it being 64gb, searched around the web but still, can't find a real solution.

Bought the card off of Harvey Norman Malaysia for 78usd. Haven't really tried h2wtest but it seems the 64gb space is legit, since I copied over 32gb of files and all of them are readable..in desperate need of pointers. Cheers.
 
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    ADATA 32GB Class 10 $70 local shops
    samsungsght989201111091.png


    ADATA 16GB Class 6
    samsungsght989201111091y.png


    Transcend 16GB Class 6
    samsungsght989201111101.png


    Kingston 8GB Class 4
    samsungsght989201111101.png


    Transcend 2GB Class 6
    samsungsght989201111101.png


    Generic 4GB Class 6
    samsungsght989201111101.png


    Sandisk 64GB Class 6? (they don't really advertise the speed) $220 from Sandisk website
    samsungsght989201111112.png


    SGH-T989 internal onboard SD, appears to be Class 10, it appears to have internal cache, look at that read speed
    samsungsght989201111101.png
    2
    ok I see a lot of quadrant scores and stuff here .. which is great and all .. but I would like to see what everyone is using as far as their sd card goes. This will help others who see this choose an sd card that is proven to be effective here .. a reliable source to say.

    I would like:

    1) Brand, Size of card, and Class rating
    2) Price and where it was purchased at
    3) what you think of the card
    4) a screen shot of the speeds .. I used SD Tools (free and it lets you save a screenshot)

    so here is mine:

    1)OEM systems 32GB class 10
    2) $57.25 on amazon http://www.amazon.com/OEM-microSD-m...4AJO/ref=sr_1_2?ie=UTF8&qid=1320822033&sr=8-2
    3) I really havent decided if I like this card or not .. when I run the benchmarks in my class 10 8gb card from sandisk the speeds are much better (15mb write to 8mb write now). I dont know if I can tell a difference in the performance of the phone ... maybe a little loading pictures in my album... but I also have my Nikon DSLR 7000 full size photos on there as well .. so its to be expected i guess.
    4)
    samsungsgh-t9892011-11-0818-33-02.png
    1
    im getting
    write: 9.8 mb/s
    read: 23.4 mb/s


    im using the new Samsung 32gb class 10 cards :)

    Im very happy with these speeds, i bought the card from Buy.com

    shipped out for around 75$
    1
    Edit:
    http://xdaforums.com/showthread.php?t=1010807 go to this thread and it describes how changing the cache settings can alter read speeds. I seem to get better results using 4096 setting, while I used to use 1024 setting on my Nexus one. Best to test settings for yourself. My read speeds increased to a consistent 21.0MB/s. Write speeds were anywhere from 9.0 to 10. The cache settings only affect the read speeds, BTW as far as I know.

    yes, the cache only works for read, and it doesn't improve it by much on fast phone like ours, is good for older phones that were Sub 1 Ghz

    as for your writing speed, it did not even reach the minimum guaranteed of 10 MB/s

    you are only getting 9 MB/s write on both test

    Yet another reason why i do not trust that brand Patriot
    1
    1) Kingston 16GB Class 2
    2) Don't remember price, but it was over at newegg a couple years ago
    3) Does what it needs to be done, always trusted Kingston