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GNOME Disks vs KDiskMark: catalog facts
GNOME Disks	KDiskMark
Free Free and open source, part of the GNOME project.	Free Free and open source.
Linux	Linux
Partitioning, formatting and USB image writing in one window Shows SMART data for drive health	Simple interface over the fio benchmark engine Configurable block size, queues and threads
Linux only Fewer advanced partitioning options than dedicated partition editors	Linux only Relies on fio being installed
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.