Samsung SSD 970 EVO Plus Review: Optimized For Speed
Samsung SSD 970 EVO Plus - SANDRA And ATTO Benchmarks
Next we ran SiSoft SANDRA 2017, the the System ANalyzer, Diagnostic and Reporting Assistant. Here, we used the Physical Disk test suite and provide the results from our comparison SSDs. The benchmarks were run on clean drives that lacked any partions. Read and write performance metrics are detailed below.
ATTO is another "quick and dirty" type of disk benchmark that measures transfer speeds across a specific volume length. It measures raw transfer rates for both reads and writes and graphs them out in an easily interpreted chart. We chose .5KB through 64MB transfer sizes and a queue depth of 6 over a total max volume length of 256MB. ATTO's workloads are sequential in nature and measure raw bandwidth, rather than I/O response time, access latency, etc.
The Samsung SSD 970 EVO Plus drives performed very well in the ATTO transfer tests. The 1TB 970 EVO Plus led the pack in writes, though the SSD 970 Pro led with the majority of transfer sizes in the read tests.
The latest version of ATTO also tests IOs at the various transfer sizes. Here is the output direct from ATTO for the four Samsung drives tested. The 1TB EVO Plus generally competes well with the 970 Pro in the read tests, but is markedly better in the write tests. 250GB 970 EVO Plus puts up somewhat lower scores than its higher-capacity counterpart, but outpaces the original EVO overall.