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Old 23-07-2004, 03:37 AM   #1
eva2000
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Thumbs up Flash memory benchmarks [SD cards] USB2.0 readers

Comparing two USB2.0 flash memory readers. Basically the Minitar 6in1 USB2.0 reader is alot faster than the Transcend 7in1 USB2.0 reader for Secure Digital card usage. However, what I like about the Transcend 7in1 USB2.0 reader is that as well as a the normal USB cable which plugs into the back of the unit, the Transcend one also comes with an inbuilt USB cable which tucks into the side of the reader itself as well as it comes with a leather pouch included.

Minitar 6in1 Reader versus Transcend 7in1 Reader.

------------------------------------------------------------------------------------
the Minitar 6in1 USB2.0 reader


CompactFlash Type I.
IBM Microdrive / CompactFlash Type II.
SmartMedia.
Memory Stick.
MultiMedia Card.
Secure Digital Card.
Performance

Compact Flash Card: Up to 480Mb/s data transfer rate, limited by card only.
Smart Media Card: Up to 480Mb/s transfer rate, limited by card only.
Secure Digital / MMC: Up to 480Mb/s transfer rate, limited by card only.
Memory Stick: Up to 480Mb/s transfer rate, limited by card only.
Microdrive: Up to 480Mb/s transfer rate, limited by card only.

Features
105 x 60 x 17mm dimensions.
Mass Storage Class compatible.
Driver not required for Windows 2000, ME, XP, and Mac 10.1.2 or above.
CD-ROM included with drivers for Windows 98SE and other operating systems.
Full USB 2.0 compliant, also compatible with all USB 1.1 ports.
Includes USB Extension cable.

------------------------------------------------------------------------------------
the Transcend 7in1 USB2.0 reader (includes leather pouch and the reader has inbuilt USB cable)


CompactFlash
Microdrive
Smartmedia
MultiMedia Card
Secure Digital Card
Memory Stick
Embedded Flash(optional)

Features
97mm x 64mm x 14mm dimensions
Op. Temperature 0C to 70C
Durability: 1,0000 insertion/removal cycles
Weight: 55g
Built-in Flash Disk (Optional)
No external power or battery needed
LED indicates Power and Data Traffic
------------------------------------------------------------------------------------
HDTACH

USB2.0 6in1 reader

summary:
fastest read average = lexar 0.04% faster than simpletech
fastest write average = simpletech 13.88% faster than lexar

256mb simpletech sd card
read: 5787, 5536, 5698.5
write: 4790, 2936, 3309.3
http://www.fileshosts.com/disks/flas...ech1-256mb.jpg

256mb lexar sd card
read: 5786, 5544, 5701
write: 4131, 2519, 2905.9
http://www.fileshosts.com/disks/flas...xar1-256mb.jpg

256mb sandisk sd card
read: 1465, 1326, 1423.5
write: 994, 838, 905.6
http://www.fileshosts.com/disks/flas...ndisk256mb.jpg

USB2.0 7in1 reader

summary:
fastest read average = lexar is 0.126% faster than simpletech
fastest write average = lexar is 129.77% faster than sandisk

256mb simpletech sd card
read: 3496, 3411, 3472.5
write: 1457, 611, 843.5
http://www.fileshosts.com/disks/flas...etech256mb.jpg

256mb lexar sd card
read: 3502, 3426, 3476.9
write: 2842, 1890, 2078.3
http://www.fileshosts.com/disks/flas...lexar256mb.jpg

256mb sandisk sd card
read: 1537, 1385, 1511.9
write: 967, 888, 904.5
http://www.fileshosts.com/disks/flas...andisk16mb.jpg

------------------------------------------------------------------------------------
Sandra MAX3 Removable Storage/Compact Flash benchmarks

============================
SUMMARY:s

Combined index: 1 operation/min = 0.53KB/s

6in1
256mb simpletech sd card = 1485 ops/min
256mb lexar sd card = 2537 ops/min
256mb sandisk sd card = 276 ops/min

7in1
256mb simpletech sd card = 894 ops/min
256mb lexar sd card = 1982 ops/min
256mb sandisk sd card = 442 ops/min

============================
DETAILS
============================

USB2.0 6in1 reader

256mb simpletech sd card
combined index: 1485 ops/min
0.5KB:
- read performance: 11463 ops/min
- write performance: 955 ops/min
- delete performance: 1085 ops/min
- combined index: 2180 ops/min
32KB:
- read performance: 7275 ops/min
- write performance: 585 ops/min
- delete performance: 1225 ops/min
- combined index: 1477 ops/min
256KB:
- read performance: 1530 ops/min
- write performance: 95 ops/min
- delete performance: 861 ops/min
- combined index: 274 ops/min
2MB:
- read performance: 202 ops/min
- write performance: 16 ops/min
- delete performance: 380 ops/min
- combined index: 44 ops/min
http://www.fileshosts.com/disks/flas...ritecached.jpg

256mb lexar sd card
combined index: 2537 ops/min
0.5KB:
- read performance: 11874 ops/min
- write performance: 1510 ops/min
- delete performance: 2303 ops/min
- combined index: 3417 ops/min
32KB:
- read performance: 7213 ops/min
- write performance: 1310 ops/min
- delete performance: 2072 ops/min
- combined index: 2775 ops/min
256KB:
- read performance: 1520 ops/min
- write performance: 335 ops/min
- delete performance: 2170 ops/min
- combined index: 748 ops/min
2MB:
- read performance: 202 ops/min
- write performance: 68 ops/min
- delete performance: 1619 ops/min
- combined index: 135 ops/min
http://www.fileshosts.com/disks/flas...ritecached.jpg

256mb sandisk sd card
combined index: 276 operations/min
0.5KB:
- read performance: 9341 ops/min
- write performance: 146 ops/min
- delete performance: 305 ops/min
- combined index: 408 ops/min
32KB:
- read performance: 2251 ops/min
- write performance: 91 ops/min
- delete performance: 301 ops/min
- combined index: 257 ops/min
256KB:
- read performance: 350 ops/min
- write performance: 30 ops/min
- delete performance: 253 ops/min
- combined index: 83 ops/min
2MB:
- read performance: 44 ops/min
- write performance: 12 ops/min
- delete performance: 116 ops/min
- combined index: 36 ops/min
http://www.fileshosts.com/disks/flas...ritecached.jpg


USB2.0 7in1 reader

256mb simpletech sd card
combined index: 894 ops/min
0.5KB:
- read performance: 24735 ops/min
- write performance: 483 ops/min
- delete performance: 538 ops/min
- combined index: 1204 ops/min
32KB:
- read performance: 5346 ops/min
- write performance: 402 ops/min
- delete performance: 626 ops/min
- combined index: 982 ops/min
256KB:
- read performance: 837 ops/min
- write performance: 98 ops/min
- delete performance: 600 ops/min
- combined index: 253 ops/min
2MB:
- read performance: 107 ops/min
- write performance: 17 ops/min
- delete performance: 403 ops/min
- combined index: 42 ops/min
http://www.fileshosts.com/disks/flas...simpletech.jpg

256mb lexar sd card
combined index: 1982 ops/min
0.5KB:
- read performance: 24373 ops/min
- write performance: 1011 ops/min
- delete performance: 2283 ops/min
- combined index: 2738 ops/min
32KB:
- read performance: 5668 ops/min
- write performance: 922 ops/min
- delete performance: 2188 ops/min
- combined index: 2097 ops/min
256KB:
- read performance: 838 ops/min
- write performance: 297 ops/min
- delete performance: 2227 ops/min
- combined index: 565 ops/min
2MB:
- read performance: 107 ops/min
- write performance: 55 ops/min
- delete performance: 1496 ops/min
- combined index: 89 ops/min
http://www.fileshosts.com/disks/flas...max3/lexar.jpg

256mb sandisk sd card
combined index: 442 ops/min
0.5KB:
- read performance: 19991 ops/min
- write performance: 242 ops/min
- delete performance: 1429 ops/min
- combined index: 746 ops/min
32KB:
- read performance: 2504 ops/min
- write performance: 115 ops/min
- delete performance: 394 ops/min
- combined index: 321 ops/min
256KB:
- read performance: 367 ops/min
- write performance: 31 ops/min
- delete performance: 253 ops/min
- combined index: 86 ops/min
2MB:
- read performance: 46 ops/min
- write performance: 12 ops/min
- delete performance: 117 ops/min
- combined index: 36 ops/min
http://www.fileshosts.com/disks/flas...x3/sandisk.jpg


------------------------------------------------------------------------------------
Winbench99 Comaprison

Compared 256mb sandisk, lexar, and simpletech sd card in Minitar 6in1 USB2.0 and Transcend 7in1 USB2.0 reader with write cached enabled. Seems the Minitar 6in1 USB2.0 reader is faster for Lexar and Simpletech sd cards. While the Transcend 7in1 USB2.0 reader seems faster for Sandisk sd card.



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