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