MemTest86
7.6#1 in pc stress testing toolsFrom $76 a yearFree planLinuxmacOSSelf-hostedWindows
VisitMemTest86 vs Prime95
What both publish
| Fact | MemTest86 | Prime95 |
|---|---|---|
| Founded | 1994 | 1996 |
| Purpose | MemTest86 boots from USB and tests computer RAM for faults using memory test algorithms and patterns. | Prime95 is free Mersenne prime search software used to participate in GIMPS. |
| Support | Free users receive a public forum, while Pro and Site users receive phone, email and forum support plus 12 months of upgrades. | The download page directs users to the Mersenne Forum for help and lists email contacts for networking/server issues and other software questions. |
MemTest86 plans
- Pro Site Edition$5,557, paid once
- MemTest86 Pro Support Extension$76 a year
- Free EditionFree
- Pro Support Extension$76 a year
- Pro Download$116, paid once
- Pro USB Drive$144, paid once
Prime95 plans
- Prime95Free
Pick MemTest86 if…
MemTest86 suits people diagnosing RAM faults or checking whether memory is contributing to system instability. Its Pro and Site editions add automation or LAN deployment for users who need those capabilities.
Pick Prime95 if…
Prime95 suits people who want to contribute computer work to GIMPS or run a consistent CPU workload to check processor and cache stability. The GUI-less Windows service build is intended for Windows Server experts.