Benchmarks, part 2
CrystalDiskMark
| USB 2.0 | USB 3.0 | ||
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Moving on to CrystalDiskMark, the sequential read and write tests tell much the same story as before: at the bus limit with USB 2.0 and above the claimed performance by a healthy margin with USB 3.0. Where things get interesting is with the 512K Random tests. The 512K Random Read test shows almost no drop with USB 2.0, and a still quite respectable 98MB/sec with USB 3.0. As expected, the 512K Random Write tests and all smaller filesize tests show a precipitous drop in performance. Large clumps of small files have ever been the bane of solid-state memory, and the Supersonic isn’t bucking the trend here.
ATTO Disk Benchmark
| USB 2.0 | USB 3.0 | ||
 |
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ATTO Disk Benchmark is another tool for quickly profiling a drive’s performance. With file sizes of 256KB and up, the Supersonic does indeed live up to its claims on read performance, though write performance with USB 3.0 was markedly lower than with other tests, capping out at 44MB/sec.
Datamarck
| USB 2.0 | USB 3.0 | ||
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Datamarck provides us with the latest verse in what is becoming a very familiar song: USB 2.0 results were capped at the bus limit, USB 3.0 results came in moderately better than what Patriot claimed.
HD Tune
| USB 2.0 | USB 3.0 | ||
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HD Tune provides further confirmation of the trend, as well as some info on CPU utilization during the test. While this has more to do with the motherboard than with the drive, the numbers there are good: 4.5% with USB 2.0 and 6.0% with USB 3.0.
File Transfer
| USB 2.0 | USB 3.0 | ||
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Last up, we used TeraCopy, a replacement copy handler for Windows, to get some info on truly real-world performance. We used a Windows 7 x64 install image, which gives us a nice mix of large and small files, copied from the Crucial RealSSD C300 256GB solid state drive in our test rig. The USB 2.0 transfer took 2 minutes 21 seconds, while the USB 3.0 transfer took only 56 seconds—less than a minute!
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