HamPi microSD Benchmark #rpi #microsd #hampiv1


David Haworth WA9ONY
 

microSDcardss.jpg
New HamPi v1.0 image, ~11 GB.
Three new microSD cards.
Raspberry Pi SD Card Copier used to copy from Samsung microSD card.
Used Raspberry Pi Diagnostics to run SD Card Speed Test.
See photo for microSD card details.
Lexar wins.

Please post reply with your SD Card Speed Test results.

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

Samsung Results: Fail

Raspberry Pi Diagnostics - version 0.4
Sun Jul 12 11:38:22 2020

Test : SD Card Speed Test
Run 1
prepare-file;0;0;8436;16
seq-write;0;0;12802;25
rand-4k-write;0;0;321;80
rand-4k-read;13826;3456;0;0
Sequential write speed 12802 KB/sec (target 10000) - PASS
Random write speed 80 IOPS (target 500) - FAIL
Random read speed 3456 IOPS (target 1500) - PASS
Run 2
prepare-file;0;0;12944;25
seq-write;0;0;12598;24
rand-4k-write;0;0;324;81
rand-4k-read;12872;3218;0;0
Sequential write speed 12598 KB/sec (target 10000) - PASS
Random write speed 81 IOPS (target 500) - FAIL
Random read speed 3218 IOPS (target 1500) - PASS
Run 3
prepare-file;0;0;13034;25
seq-write;0;0;13207;25
rand-4k-write;0;0;328;82
rand-4k-read;12805;3201;0;0
Sequential write speed 13207 KB/sec (target 10000) - PASS
Random write speed 82 IOPS (target 500) - FAIL
Random read speed 3201 IOPS (target 1500) - PASS
Test FAIL

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

SanDisk Results: Pass

Raspberry Pi Diagnostics - version 0.4
Sun Jul 12 13:06:55 2020

Test : SD Card Speed Test
Run 1
prepare-file;0;0;21629;42
seq-write;0;0;18676;36
rand-4k-write;0;0;3297;824
rand-4k-read;10118;2529;0;0
Sequential write speed 18676 KB/sec (target 10000) - PASS
Random write speed 824 IOPS (target 500) - PASS
Random read speed 2529 IOPS (target 1500) - PASS
Test PASS

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

Lexar Results: Pass

Raspberry Pi Diagnostics - version 0.4
Sun Jul 12 13:44:48 2020

Test : SD Card Speed Test
Run 1
prepare-file;0;0;36028;70
seq-write;0;0;37925;74
rand-4k-write;0;0;4868;1217
rand-4k-read;14121;3530;0;0
Sequential write speed 37925 KB/sec (target 10000) - PASS
Random write speed 1217 IOPS (target 500) - PASS
Random read speed 3530 IOPS (target 1500) - PASS
Test PASS


--

73 David WA9ONY
 
www.youtube.com/c/DavidHaworthWA9ONY
www.qrz.com/db/WA9ONY
groups.io/g/the-linux-user-net
www.stargazing.net/david/
 


Dave R
 

Samsung makes excellent memory products. Others have had better luck. 73


On Sun, Jul 12, 2020, 19:05 David Haworth WA9ONY <WA9ONY@...> wrote:
microSDcardss.jpg
New HamPi v1.0 image, ~11 GB.
Three new microSD cards.
Raspberry Pi SD Card Copier used to copy from Samsung microSD card.
Used Raspberry Pi Diagnostics to run SD Card Speed Test.
See photo for microSD card details.
Lexar wins.

Please post reply with your SD Card Speed Test results.

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

Samsung Results: Fail

Raspberry Pi Diagnostics - version 0.4
Sun Jul 12 11:38:22 2020

Test : SD Card Speed Test
Run 1
prepare-file;0;0;8436;16
seq-write;0;0;12802;25
rand-4k-write;0;0;321;80
rand-4k-read;13826;3456;0;0
Sequential write speed 12802 KB/sec (target 10000) - PASS
Random write speed 80 IOPS (target 500) - FAIL
Random read speed 3456 IOPS (target 1500) - PASS
Run 2
prepare-file;0;0;12944;25
seq-write;0;0;12598;24
rand-4k-write;0;0;324;81
rand-4k-read;12872;3218;0;0
Sequential write speed 12598 KB/sec (target 10000) - PASS
Random write speed 81 IOPS (target 500) - FAIL
Random read speed 3218 IOPS (target 1500) - PASS
Run 3
prepare-file;0;0;13034;25
seq-write;0;0;13207;25
rand-4k-write;0;0;328;82
rand-4k-read;12805;3201;0;0
Sequential write speed 13207 KB/sec (target 10000) - PASS
Random write speed 82 IOPS (target 500) - FAIL
Random read speed 3201 IOPS (target 1500) - PASS
Test FAIL

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

SanDisk Results: Pass

Raspberry Pi Diagnostics - version 0.4
Sun Jul 12 13:06:55 2020

Test : SD Card Speed Test
Run 1
prepare-file;0;0;21629;42
seq-write;0;0;18676;36
rand-4k-write;0;0;3297;824
rand-4k-read;10118;2529;0;0
Sequential write speed 18676 KB/sec (target 10000) - PASS
Random write speed 824 IOPS (target 500) - PASS
Random read speed 2529 IOPS (target 1500) - PASS
Test PASS

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

Lexar Results: Pass

Raspberry Pi Diagnostics - version 0.4
Sun Jul 12 13:44:48 2020

Test : SD Card Speed Test
Run 1
prepare-file;0;0;36028;70
seq-write;0;0;37925;74
rand-4k-write;0;0;4868;1217
rand-4k-read;14121;3530;0;0
Sequential write speed 37925 KB/sec (target 10000) - PASS
Random write speed 1217 IOPS (target 500) - PASS
Random read speed 3530 IOPS (target 1500) - PASS
Test PASS


--

73 David WA9ONY
 
 


David Haworth WA9ONY