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UNIGINE Superposition vs glmark2: catalog facts
UNIGINE Superposition	glmark2
Freemium Free download, with paid extended editions for commercial use and automated testing.	Free Free and open source under the GPL-3.0 licence.
Windows, Linux	Linux, Android, Command line
Runs on both Windows and Linux Loop stress test with GPU temperature and clock monitoring	Covers core OpenGL and OpenGL ES 2.0 features Runs on both Linux and Android
Large download of over 1 GB Released in 2017 and requires a 64-bit system	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 not stated	License: GPL-3.0
Not stated if an account is needed	No account needed
Not stated if it works offline	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.