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