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KDiskMark vs AS SSD Benchmark: catalog facts
KDiskMark	AS SSD Benchmark
Free Free and open source.	Free Free to use.
Linux	Windows
Simple interface over the fio benchmark engine Configurable block size, queues and threads	Fast, straightforward benchmark focused specifically on SSD performance No installation required to run a quick test
Linux only Relies on fio being installed	Windows only Narrower feature set than more full-featured storage benchmarking suites
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 September 22, 2026

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