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Prime95 vs BurnInTest: catalog facts
Prime95	BurnInTest
Free Free to download and use under the GIMPS free software license.	Paid Paid software sold in several editions.
Windows, macOS, Linux	Windows, Linux
Standard, demanding CPU and memory stress test Builds for Windows, macOS, Linux and FreeBSD	Tests many subsystems at the same time Linux versions for x86 and ARM
Not an OSI open source license Dated interface	Paid license Aimed mainly at professional and production use
Downloadable app	Downloadable app
Closed source	Closed source
License: GIMPS free software license	License not stated
Not stated if an account is needed	Not stated if an account is 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.