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Real World Performance (Continued)
To assess the overall performance of the drives, we assigned a score of 25 to the drive that excelled most in each benchmark series (loading, application, file copying, and installation) and the rest proportionally, giving each benchmark set an equal weighting. If a drive is the fastest in all four categories, it receives a perfect 100 score.
The Zalman S Series 128GB had the best overall performance of the three. It was also impressively consistent, rising near the top in all of our tests. The Kingston V+100 was on the slow side in many of our tests, but the margins were small enough that its superb speed in TrueCrypt and ExactFile helped lift it to just a single point behind the Zalman. The Corsair F180 trailed behind the OCZ Vertex 2 in most of our tests, despite being based on the same SandForce controller.
HD Tune Results
While not entirely indicative of real world performance, HD Tune does give us a glimpse into a drive's inner workings. Its read transfer rate benchmark measures speed across the entire drive, giving us an idea of how fast it is over its entire span.
HD Tune read speeds were middle of the road for all three drives, about 190 MB/s maximum and 170~175MB/s on average.
All three drives had very low access times, with the S Series having the highest at 0.15 ms.
The Corsair F180 180GB was very energy efficient, using less than 1W even when seeking, and only a tad more than the 60GB OCZ Vertex 2. The V+100's power consumption was excellent when idle, using a superb 0.2W, but was average when seeking, consuming 1.9W. The S Series drive used almost a full watt more when seeking, enough to eclipse mechanical 2.5" hard drives which rarely use more than 2.5W.
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