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CrystalDiskMark vs GNOME Disks: catalog facts
CrystalDiskMark	GNOME Disks
Free Freeware. The developer asks for optional donations to support development.	Free Free and open source, part of the GNOME project.
Windows	Linux
Sequential and random read, write and mixed measurements in a few clicks Peak, real-world and demo modes covering different queue depths and thread counts	Partitioning, formatting and USB image writing in one window Shows SMART data for drive health
Windows only Synthetic benchmarks do not always reflect how a drive feels in use	Linux only Fewer advanced partitioning options than dedicated partition editors
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License not stated
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked September 23, 2026

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