The Crucial MX500 500GB SSD Review: A Second Lookby Billy Tallis on February 2, 2018 9:30 AM EST
AnandTech Storage Bench - The Destroyer
The Destroyer is an extremely long test replicating the access patterns of very IO-intensive desktop usage. A detailed breakdown can be found in this article. Like real-world usage, the drives do get the occasional break that allows for some background garbage collection and flushing caches, but those idle times are limited to 25ms so that it doesn't take all week to run the test. These AnandTech Storage Bench (ATSB) tests do not involve running the actual applications that generated the workloads, so the scores are relatively insensitive to changes in CPU performance and RAM from our new testbed, but the jump to a newer version of Windows and the newer storage drivers can have an impact.
We quantify performance on this test by reporting the drive's average data throughput, the average latency of the I/O operations, and the total energy used by the drive over the course of the test.
The Crucial MX500 500GB delivers a slightly slower average data rate on The Destroyer than the Intel 545s or the Crucial BX300, but it is still substantially faster than previous MX series drives. The MLC drives are on top, but the Samsung 860 PRO's lead is less than 15%. This time last year, the top MLC drive held a 46% advantage over Crucial's TLC-based MX300.
The average and 99th percentile latency scores of the Crucial MX500 500GB are good but still lag behind the MLC based drives and the Intel 545s. The MX500's average latency is essentially tied with the Samsung 850 EVO, and its 99th percentile latency is clearly better.
The average read and write latency scores for the Crucial MX500 are both slower than the Intel 545s, but are at least as fast as any other TLC based drive, including the Samsung 850 EVO.
The 99th percentile read latency of the MX500 is much better than the MX300, but the 99th percentile write latency score has barely improved. In both cases, that leaves the MX500 trailing the Intel 545s but ahead of the Samsung 850 EVO.
The power consumption of the Crucial MX500 on The Destroyer is slightly higher than the MX300, and is clearly worse than the Intel 545s or the Crucial BX300. The regression relative to the MX300 isn't serious enough to worry mobile users, but it probably means the MX500 will end up being the least power-efficient mainstream SATA SSD of its generation, once we've tested the 860 EVO.