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Synthetic Test Results
Though our timed benchmark tests do a fair job of simulating performance in real world situations, it doesn't tell the whole story. Synthetic tests like HD Tune and CrystalDiskMark help fill the gap. Note: a full format was conducted before running these tests.
HD Tune's main benchmark tests the sequential read/write speed of the drive in question throughout its range but it's typically more relevant for hard drives as they tend to slow down toward the end of their spans. Compared to the SX910, the Corsair drive had a small advantage in average read speed but a noticeable disadvantage in write speed. Access times for the Force GS were 38% lower though.
Using a block size of 512K on a easily compressible data set, the SandForce-based models naturally took the lead with blistering read/write rates approaching 500 MB/s. With random data sets, the Samsung 830 was clearly the fastest drive thanks to impressive write performance, followed by the Corsair Force GS. The HyperX 3K was handicapped by comparatively poor random writes.
Random read/writes with the smaller 4K block size is another area where the Samsung 830 truly shined. Working with random data sets, it produced the best results overall, and even gave the SandForce drives using compressible data some stiff competition.
The Samsung 830 is also the first SSD that has come along in some time that has impressed us with its energy efficiency. Our sample used just 0.36 W idle and just over 1 W in seek mode (HD Tune's random read test). Combined with its 7 mm thickness, this makes the Samsung drive extremely desirable for ultrabooks. The HyperX 3K's power consumption was more or less in line with other SF-2281 models.
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