SDCard Testing: Difference between revisions
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! Size |
! Size |
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! High perf card |
! Sample High perf card |
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! SanDisk C2 4GB uSD "A" |
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! Toshiba C2 4GB uSD "B" |
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! Unusable card |
! Unusable card |
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| 4MiB |
| 4MiB |
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| 8.86M/s |
| 8.86M/s |
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| 3.14M/s |
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| 5.84M/s |
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| 15M/s |
| 15M/s |
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|- |
|- |
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| 2MiB |
| 2MiB |
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| 6.3M/s |
| 6.3M/s |
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| 4.09M/s |
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| 3.6M/s |
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| 9.47M/s |
| 9.47M/s |
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|- |
|- |
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| 1MiB |
| 1MiB |
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| 5.02M/s |
| 5.02M/s |
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| 2.84M/s |
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| 2.21M/s |
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| 4.47M/s |
| 4.47M/s |
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|- |
|- |
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| 512KiB |
| 512KiB |
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| 5.16M/s |
| 5.16M/s |
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| 1.33M/s |
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| 1.3M/s |
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| 1.61M/s |
| 1.61M/s |
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|- |
|- |
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| 256KiB |
| 256KiB |
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| 4.69M/s |
| 4.69M/s |
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| 868K/s |
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| 701K/s |
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| 849K/s |
| 849K/s |
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|- |
|- |
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| 128KiB |
| 128KiB |
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| 3.78M/s |
| 3.78M/s |
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| 556K/s |
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| 363K/s |
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| 441K/s |
| 441K/s |
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|- |
|- |
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| 64KiB |
| 64KiB |
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| 4.62M/s |
| 4.62M/s |
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| 297K/s |
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| 186K/s |
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| 226K/s |
| 226K/s |
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|- |
|- |
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| 32KiB |
| 32KiB |
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| 2.71M/s |
| 2.71M/s |
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| 155K/s |
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| 92K/s |
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| 115K/s |
| 115K/s |
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|- |
|- |
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| 16KiB |
| 16KiB |
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| 2.38M/s |
| 2.38M/s |
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| 76K/s |
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| 47K/s |
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| 57K/s |
| 57K/s |
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|- |
|- |
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| 8KiB |
| 8KiB |
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| 1.24M/s |
| 1.24M/s |
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| 38K/s |
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| 23K/s |
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| 23K/s |
| 23K/s |
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|- |
|- |
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| 4KiB |
| 4KiB |
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| 907K/s |
| 907K/s |
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| 19K/s |
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| |
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| '''8K/s''' |
| '''8K/s''' |
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Revision as of 16:02, 19 May 2011
This page discusses additional tests for SD Cards. The 'base' tests are described in NAND_Testing.
Sample output
Segment size vs throughput
| Size | Sample High perf card | SanDisk C2 4GB uSD "A" | Toshiba C2 4GB uSD "B" | Unusable card |
|---|---|---|---|---|
| 4MiB | 8.86M/s | 3.14M/s | 5.84M/s | 15M/s |
| 2MiB | 6.3M/s | 4.09M/s | 3.6M/s | 9.47M/s |
| 1MiB | 5.02M/s | 2.84M/s | 2.21M/s | 4.47M/s |
| 512KiB | 5.16M/s | 1.33M/s | 1.3M/s | 1.61M/s |
| 256KiB | 4.69M/s | 868K/s | 701K/s | 849K/s |
| 128KiB | 3.78M/s | 556K/s | 363K/s | 441K/s |
| 64KiB | 4.62M/s | 297K/s | 186K/s | 226K/s |
| 32KiB | 2.71M/s | 155K/s | 92K/s | 115K/s |
| 16KiB | 2.38M/s | 76K/s | 47K/s | 57K/s |
| 8KiB | 1.24M/s | 38K/s | 23K/s | 23K/s |
| 4KiB | 907K/s | 19K/s | 8K/s |