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KDiskMark vs DiskBoard: catalog facts
KDiskMark	DiskBoard
Free Free and open source.	Free Free for Windows and macOS.
Linux	Windows, macOS
Simple interface over the fio benchmark engine Configurable block size, queues and threads	Configurable sequential and random read/write tests Shows S.M.A.R.T. attributes for internal, external and USB drives
Linux only Relies on fio being installed	Results are uploaded to public rankings No Linux version
Downloadable app	Downloadable app
Open source	Closed source
License not stated	License not stated
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.