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FurMark vs glmark2: catalog facts
FurMark	glmark2
Free Free to use; proprietary software from Geeks3D.	Free Free and open source under the GPL-3.0 licence.
Windows, Linux, Command line	Linux, Android, Command line
Very intensive GPU load for stability testing OpenGL and Vulkan benchmarks with online scores	Covers core OpenGL and OpenGL ES 2.0 features Runs on both Linux and Android
Closed source Extreme load can push poorly cooled hardware to its limits	Tests only OpenGL 2.0 level features, not newer APIs Infrequent updates and no packaged releases on GitHub
Downloadable app	Downloadable app
Closed source	Open source
License: Proprietary	License: GPL-3.0
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 2, 2026

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