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Karhu RAM Test vs y-cruncher: catalog facts
Karhu RAM Test	y-cruncher
Paid Sold as a paid license by Karhu Software.	Free Freeware, free to download and use.
Windows	Windows, Linux, Command line
Runs inside Windows without rebooting Built for validating memory overclocks	Scales across many CPU cores Established benchmark with published fastest times
Windows only; Linux support was announced but not shown as available Paid license	Closed source freeware Large computations need a lot of memory and disk space
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	License: Freeware
Not stated if an account is needed	No account needed
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.