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KDiskMark vs GNOME Disks: catalog facts
KDiskMark	GNOME Disks
Free Free and open source.	Free Free and open source, part of the GNOME project.
Linux	Linux
Simple interface over the fio benchmark engine Configurable block size, queues and threads	Partitioning, formatting and USB image writing in one window Shows SMART data for drive health
Linux only Relies on fio being installed	Linux only Fewer advanced partitioning options than dedicated partition editors
Downloadable app	Downloadable app
Open source	Open source
License not stated	License not stated
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 23, 2026

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