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glmark2 vs UNIGINE Superposition: catalog facts
glmark2	UNIGINE Superposition
Free Free and open source under the GPL-3.0 licence.	Freemium Free download, with paid extended editions for commercial use and automated testing.
Linux, Android, Command line	Windows, Linux
Covers core OpenGL and OpenGL ES 2.0 features Runs on both Linux and Android	Runs on both Windows and Linux Loop stress test with GPU temperature and clock monitoring
Tests only OpenGL 2.0 level features, not newer APIs Infrequent updates and no packaged releases on GitHub	Large download of over 1 GB Released in 2017 and requires a 64-bit system
Downloadable app	Downloadable app
Open source	Closed source
License: GPL-3.0	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 October 2, 2026	Official website Full listing and sources Checked October 2, 2026

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