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Memtest86+y-cruncher
Free

Free and open source under the GPL v2.

 Free

Freeware, free to download and use.

Windows, Linux Windows, Linux, Command line
  • Runs without an operating system, from BIOS or UEFI
  • Supports 32-bit and 64-bit x86 plus LoongArch64
  • Scales across many CPU cores
  • Established benchmark with published fastest times
  • Requires rebooting the machine to run a test
  • No ARM support
  • Closed source freeware
  • Large computations need a lot of memory and disk space
Downloadable app Downloadable app
Open source Closed source
License: GPL-2.0 License: Freeware
No account needed No account needed
Works offline Works offline

Checked October 1, 2026

Checked October 2, 2026

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