『本体SDリーダーとしてのスピードテスト』 の クチコミ掲示板

[Masa 30]

久しぶりの休みでちょっと暇つぶしをしてみました
SDカードの書き込み速度のテストです。多分あまり意味はありません。
下記2枚の速度，容量の違うカードで計測
1.Transcend SDHC class2 8GB
2.SanDisk Ultra II SDHC class4 16GB

MacOSX10.3.9
Xbench1.3
計測は4回測り上位から2番目の速度の計測結果です。

参考　BUFFALOのMCR-A24/U2で計測

Transcend SDHC class2 8GB

Disk Test 1.73
Sequential 8.10
Uncached Write 10.41 6.39 MB/sec [4K blocks]
Uncached Write 7.18 4.06 MB/sec [256K blocks]
Uncached Read 4.44 1.30 MB/sec [4K blocks]
Uncached Read 30.07 15.11 MB/sec [256K blocks]
Random 0.97
Uncached Write 0.26 0.03 MB/sec [4K blocks]
Uncached Write 3.98 1.27 MB/sec [256K blocks]
Uncached Read 176.07 1.25 MB/sec [4K blocks]
Uncached Read 81.27 15.08 MB/sec [256K blocks]

SanDisk Ultra II SDHC class4 16GB

Disk Test 1.83
Sequential 13.12
Uncached Write 22.37 13.74 MB/sec [4K blocks]
Uncached Write 19.59 11.09 MB/sec [256K blocks]
Uncached Read 5.66 1.66 MB/sec [4K blocks]
Uncached Read 30.94 15.55 MB/sec [256K blocks]
Random 0.99
Uncached Write 0.26 0.03 MB/sec [4K blocks]
Uncached Write 5.08 1.63 MB/sec [256K blocks]
Uncached Read 212.07 1.50 MB/sec [4K blocks]
Uncached Read 75.55 14.02 MB/sec [256K blocks]
--------------------------------------------------------------------------------
R-09で計測

Transcend SDHC class2 8GB

Disk Test 1.57
Sequential 4.75
Uncached Write 4.16 2.55 MB/sec [4K blocks]
Uncached Write 3.49 1.97 MB/sec [256K blocks]
Uncached Read 5.23 1.53 MB/sec [4K blocks]
Uncached Read 8.08 4.06 MB/sec [256K blocks]
Random 0.94
Uncached Write 0.25 0.03 MB/sec [4K blocks]
Uncached Write 4.01 1.28 MB/sec [256K blocks]
Uncached Read 187.15 1.33 MB/sec [4K blocks]
Uncached Read 21.89 4.06 MB/sec [256K blocks]

SanDisk Ultra II SDHC class4 16GB

Disk Test 1.62
Sequential 5.52
Uncached Write 4.83 2.97 MB/sec [4K blocks]
Uncached Write 4.99 2.83 MB/sec [256K blocks]
Uncached Read 5.16 1.51 MB/sec [4K blocks]
Uncached Read 8.09 4.07 MB/sec [256K blocks]
Random 0.95
Uncached Write 0.26 0.03 MB/sec [4K blocks]
Uncached Write 3.68 1.18 MB/sec [256K blocks]
Uncached Read 192.37 1.36 MB/sec [4K blocks]
Uncached Read 21.85 4.05 MB/sec [256K blocks]

2009/04/13 12:11　[9387596]