*皆以相同的讀卡機測試
2g Kingston tf , made in Japan
Disk Read Write RRead RWrite (KByte/s)
11240 20011 6293 18127 529
Copy 2k 32k 256k 1MB (Kbyte/Sec)
1762 24 412 1661 4950

8g Sandisk tf (class 4) ??
Disk Read Write RRead RWrite (KByte/s)
14215 19650 13875 18079 5255
Copy 2k 32k 256k 1MB (Kbyte/Sec)
4686 92 1361 4652 12638

8g topram tf (class 6) made in Taiwan, 簡陋包裝版
Disk Read Write RRead RWrite (KByte/s)
8540 13702 8393 11911 153
Copy 2k 32k 256k 1MB (Kbyte/Sec)
1520 9 143 1751 4177

16g Sandisk tf (class 2) made in China, 紅紙盒
Disk Read Write RRead RWrite (KByte/s)
12126 20253 9192 17597 1463
Copy 2k 32k 256k 1MB (Kbyte/Sec)
2333 94 1244 2709 5284

結論: Sandisk 8g tf (class 4)> 16g Sandisk tf (class 2)>
2g Kingston tf> 8g topram tf (class 6)
*把Topram放最後的理由是random write太差, 且常常無法跑完測試.

也測了一下tf轉ms duo,
Sandisk 8g to ms
Disk Read Write RRead RWrite (KByte/s)
7636 9596 8490 8798 3660
Copy 2k 32k 256k 1MB (Kbyte/Sec)
3009 90 1178 3777 6993
效能約剩50%
tf轉sd幾乎無耗損.