Looking at the Peak Performance results we can confirm the official 4K random read figure with a test result of 502,214 IOPS with writes lower than the official maximum at 463,792 IOPS. The official 4K random read/write figures for the drive are up to 17,000 IOPS and 54,000 IOPS respectively at QD1 and up to 500,000 IOPS for reads and 480,000 IOPS for writes at QD32. The result screens for these two profiles not only display MB/s results but also IOPS and latency. We could confirm those figures with CrystalDiskMark 7 with a read performance figure of 3,569MB/s with writes a little shy of the maximum figure at 2,907MB/s.ĬrystalDiskMark 7 includes a couple of profiles that can be used for testing – Peak Performance and Real World. Samsung rate the 1TB SSD 980 as up to 3,500MB/s and 3,000 for Sequential read and writes respectively. In relation to the other drives around it, the SSD 980 shows better performance in CrystalDiskMark's 4K QD1 test as it sits in the top five of drives tested to date. Looking at the pair of result screens it appears that the Samsung controller doesn't appear to have any preference for the type of data it's being asked to handle. Testing the drive with CrystalDiskMark's 4K QD32 test produces a result that sees the drive sitting midway in our results chart. CrystalDiskMark is a useful benchmark to measure theoretical performance levels of hard drives and SSD’s.
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