Performance (MB/s) using given block size (bytes) | |||||||||||||||||
Model | Size | Type | Flash | Class | 4K | 8K | 16K | 32K | 64K | 128K | 256K | 512K | 1M | Highest | |||
Kingston Elite Pro | 32GB | CF | MLC | 133x | Read: | 12.5 | 18.7 | 24.6 | 34.6 | 46.0 | 54.8 | 55.7 | 56.2 | 56.9 | 56.9 | ||
Write: | 10.8 | 13.6 | 13.0 | 16.0 | 19.5 | 25.0 | 26.4 | 21.9 | 27.6 | 27.6 | |||||||
Super Talent RC8 | 25GB | USB | MLC | U | Read: | 8.0 | 13.0 | 21.1 | 25.6 | 25.9 | 27.5 | 28.7 | 29.0 | 29.6 | 29.6 | ||
Write: | 8.1 | 13.0 | 18.5 | 21.5 | 25.6 | 25.2 | 26.4 | 26.9 | 27.2 | 27.2 | |||||||
Pretec | 32GB | SD | MLC | 16 | Read: | 9.1 | 12.6 | 15.7 | 17.8 | 19.1 | 19.9 | 20.3 | 20.6 | 20.6 | 20.6 | ||
Write: | 2.8 | 4.9 | 8.0 | 11.4 | 14.6 | 17.9 | 18.9 | 19.5 | 19.5 | 19.5 | |||||||
Transcend | 8GB | uSD | MLC | 6 | Read: | 5.1 | 8.2 | 11.7 | 15.2 | 17.3 | 18.9 | 19.8 | 20.3 | 20.3 | 20.3 | ||
Write: | 2.0 | 3.3 | 6.3 | 9.6 | 13.5 | 16.3 | 18.2 | 19.4 | 19.4 | 19.4 | |||||||
Integral | 16GB | uSD | MLC | 10 | Read: | 4.6 | 6.8 | 10.5 | 14.0 | 16.4 | 18.4 | 19.6 | 20.2 | 20.3 | 20.3 | ||
Write: | 1.9 | 3.2 | 6.1 | 9.3 | 13.1 | 16.1 | 18.2 | 19.4 | 19.4 | 19.4 | |||||||
Integral Endurance | 4GB | SD | SLC | 10 | Read: | 9.0 | 12.6 | 15.7 | 17.0 | 18.8 | 19.8 | 20.3 | 20.6 | 20.6 | 20.6 | ||
Write: | 2.4 | 5.1 | 11.1 | 14.0 | 16.2 | 17.5 | 18.3 | 18.7 | 18.7 | 18.7 | |||||||
Toshiba AC100-10U (Toshiba) | 8GB | eMMC | MLC | 6 | Read: | 7.2 | 10.5 | 15.5 | 19.7 | 22.8 | 24.9 | 26.0 | 26.7 | 26.7 | 26.7 | ||
Write: | 1.5 | 3.0 | 6.1 | 10.1 | 13.6 | 15.7 | 17.3 | 17.6 | 17.8 | 17.8 | |||||||
Team | 32GB | SD | MLC | 10 | Read: | 5.2 | 8.5 | 11.4 | 13.6 | 16.5 | 18.4 | 19.5 | 20.1 | 20.2 | 20.2 | ||
Write: | 0.9 | 2.1 | 6.5 | 10.4 | 13.8 | 15.5 | 16.5 | 17.1 | 17.1 | 17.1 | |||||||
Play.com (Kingston) | 16GB | USB | MLC | U | Read: | 5.9 | 10.0 | 15.9 | 21.6 | 25.3 | 26.3 | 27.7 | 28.6 | 29.6 | 29.6 | ||
Write: | 1.7 | 3.0 | 5.6 | 11.6 | 16.9 | 12.8 | 13.9 | 16.0 | 15.2 | 16.9 | |||||||
Unbranded (Kingston?) | 8GB | uSD | MLC | 4 | Read: | 8.3 | 10.7 | 14.2 | 16.7 | 18.6 | 19.7 | 20.3 | 20.6 | 20.6 | 20.6 | ||
Write: | 2.1 | 4.0 | 7.1 | 9.3 | 10.6 | 11.4 | 11.8 | 12.1 | 12.1 | 12.1 | |||||||
Toshiba AC100-10U (SanDisk) | 8GB | eMMC | MLC | U | Read: | 6.1 | 11.0 | 16.9 | 22.1 | 26.2 | 29.0 | 30.7 | 31.6 | 31.6 | 31.6 | ||
Write: | 0.9 | 1.3 | 3.6 | 5.0 | 7.1 | 9.1 | 10.5 | 11.4 | 11.4 | 11.4 | |||||||
MyMemory.com | 32GB | SD | MLC | 10 | Read: | 6.7 | 9.2 | 12.8 | 15.8 | 18.0 | 19.3 | 20.1 | 20.5 | 20.5 | 20.5 | ||
Write: | 2.0 | 3.5 | 6.7 | 8.3 | 9.4 | 10.2 | 10.6 | 10.8 | 10.9 | 10.9 | |||||||
SanDisk Extreme Pro (95MB/s) | 8GB | SD | MLC | UHS-I | Read: | 3.3 | 4.8 | 6.0 | 7.0 | 7.6 | 8.0 | 8.1 | 8.3 | 8.5 | 8.5 | ||
Write: | 1.7 | 3.3 | 5.6 | 7.0 | 8.1 | 8.7 | 8.9 | 9.2 | 9.6 | 9.6 | |||||||
SanDisk Mobile Ultra | 16GB | uSD | MLC | 6 | Read: | 6.6 | 10.2 | 14.1 | 16.9 | 18.7 | 19.8 | 20.5 | 20.7 | 20.8 | 20.8 | ||
Write: | 1.1 | 4.8 | 6.3 | 7.4 | 7.3 | 7.5 | 7.3 | 7.9 | 7.6 | 7.9 | |||||||
Unbranded (Fake) | 1GB | uSD | MLC | U | Read: | 9.8 | 11.4 | 12.4 | 12.9 | 13.3 | 13.4 | 13.5 | 13.6 | 13.6 | 13.6 | ||
Write: | 3.8 | 4.7 | 5.1 | 5.4 | 5.7 | 5.8 | 5.8 | 5.9 | 5.9 | 5.9 | |||||||
Unbranded (Kingston?) | 32GB | uSD | MLC | 4 | Read: | 2.6 | 4.6 | 6.6 | 9.3 | 12.2 | 14.5 | 16.0 | 16.8 | 16.8 | 16.8 | ||
Write: | 1.8 | 3.0 | 4.1 | 4.9 | 4.8 | 4.8 | 4.8 | 4.8 | 4.8 | 4.9 | |||||||
SanDisk | 8GB | uSD | MLC | 2 | Read: | 1.1 | 2.2 | 3.6 | 5.4 | 7.4 | 9.0 | 9.7 | 10.5 | 10.5 | 10.5 | ||
Write: | 1.6 | 2.2 | 3.0 | 3.2 | 3.2 | 3.2 | 3.2 | 3.2 | 3.2 | 3.2 | |||||||
Performance (IOPS), 4KB blocks | ||||||||||
Model | Size | Type | Flash | Class | Random Read | Random Write | Write | Rewrite | ||
Super Talent RC8 | 25GB | USB | MLC | U | 1788 | 1982 | 788 | 1979 | ||
SanDisk Extreme Pro (95MB/s) | 8GB | SD | MLC | 10I | 1172 | 133 | 162 | 606 | ||
Toshiba AC100-10U (SanDisk) | 8GB | eMMC | MLC | U | 1261 | 70 | 119 | 265 | ||
Integral Endurance | 4GB | SD | SLC | 10 | 2141 | 19 | 6 | 557 | ||
Toshiba AC100-10U (Toshiba) | 8GB | eMMC | MLC | U | 1593 | 14 | 128 | 378 | ||
SanDisk | 8GB | uSD | MLC | 2 | 222 | 14 | 186 | 367 | ||
Unbranded (Fake) | 1GB | uSD | MLC | U | 1738 | 6 | 295 | 920 | ||
Kingston Elite Pro | 32GB | CF | MLC | 133x | 1237 | 6 | 103 | 140 | ||
SanDisk Mobile Ultra | 16GB | uSD | MLC | 6 | 1099 | 5 | 132 | 369 | ||
Unbranded (Kingston?) | 8GB | uSD | MLC | 4 | 1735 | 4 | 44 | 516 | ||
Play.com (Kingston) | 16GB | USB | MLC | U | 1417 | 3 | 92 | 402 | ||
Team | 32GB | SD | MLC | 10 | 574 | 3 | 89 | 233 | ||
Integral | 16GB | uSD | MLC | 10 | 1039 | 2 | 148 | 462 | ||
Transcend | 8GB | uSD | MLC | 6 | 843 | 2 | 161 | 498 | ||
Pretec | 32GB | SD | MLC | 16 | 2185 | 1 | 174 | 664 | ||
MyMemory.com | 32GB | SD | MLC | 10 | 1457 | 1 | 127 | 489 | ||
Unbranded (Kingston?) | 32GB | uSD | MLC | 4 | 574 | 1 | 14 | 421 | ||