Prime95 Alternatives

Great Internet Mersenne Prime Search, GIMPS, finding World Record Primes Since 1996.

Prime95 has been a popular choice for stress / torture testing a CPU since its introduction, especially with overclockers and system builders. Since the software makes heavy use of the processor's integer and floating point instructions, it feeds the processor a consistent and verifiable workload to test the stability of the CPU and the L1/L2/L3 processor cache. Additionally, it uses all of the cores of a multi-CPU / multi-core system to ensure a high-load stress test environment. Read more.

Alternative apps to Prime95:

158 votes
AIDA64 Extreme 7.65.7400

System information, system diagnostics and benchmarking solution for enthusiasts users.
- Free to Try
- Windows
646 votes
SiSoftware Sandra Lite 31.137

SiSoftware Sandra is a benchmarking, system diagnostic and analyser tool. It provides most of the information you need to know about your hardware and software.
- Freeware
- Windows
181 votes
IntelBurnTest 2.54

This program stress tests Intel and AMD systems for stability using the Intel Linpack.
- Freeware
- Windows

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