CrystalDiskMark vs DiskSpd
| CrystalDiskMark | DiskSpd | |
|---|---|---|
| Free plan | No | Yes |
| Free trial | No | No |
| Paid from | — | Free |
| Open source | No | No |
| Platforms | Windows | Linux, macOS, Windows |
| Free plan | Yes | Yes |
| Paid from | 9.99 one-time | — |
| Random I/O tests | — | Yes |
| Sequential tests | — | Yes |
| IOPS measurement | — | Yes |
| Latency measurement | — | Yes |
| Supported platforms | — | Windows |
| Command-line interface | — | Yes |
Both are listed in Best Disk Benchmark Software. On Samsung Mobile US Press, DiskSpd scores higher on our published basis.