Prime95 is a program that searches for new Mersenne prime numbers. It is commonly used as a stability test for overclocked computers.
Cost / License
- Free
- Proprietary
Platforms
- Mac
- Windows
- Linux




PCMark is described as 'Industry standard benchmark for Windows PCs and Android devices' and is a Benchmark tool in the os & utilities category. There are more than 25 alternatives to PCMark for a variety of platforms, including Windows, Linux, Mac, Android and iPhone apps. The best PCMark alternative is AIDA64. It's not free, so if you're looking for a free alternative, you could try Geekbench or Cinebench. Other great apps like PCMark are OCCT, Furmark, UNIGINE Benchmarks and 3DMark.
Prime95 is a program that searches for new Mersenne prime numbers. It is commonly used as a stability test for overclocked computers.




GST is a GTK system utility designed to stress and monitor various hardware components like CPU and RAM.

Tyler's Frame Machine is a simple, free, educational, small, cross-platform, and portable tool for testing, benchmarking, calibration, framerate comparison, and demonstration.

3C Toolbox is the comprehensive toolbox to save battery, tweak, tune, backup, secure and monitor any Android devices running any ROMs, any kernels.




Nero Score! measures the multi-core performance of your processor (CPU) and pushes your graphics card (GPU) to its maximum limit with real-world multimedia use cases.

PassMark PerformanceTest benchmarks the speed of your PC computer hardware, then compares the result to other machines. Includes disk, 3D and CPU tests.



The individual test methods employed by HeavyLoad can be customized to fit your needs. Can stress test CPU, hard disk, memory and GPU.


Linpack is a benchmark and the most aggressive stress testing software available today. Best used to test stability of overclocked PCs. Linpack tends to crash unstable PCs in a shorter period of time compared to other stress testing applications.





V-Ray Benchmark is a free tool that measures how fast your system renders. Rendering performance evaluation can be done using CPUs, NVIDIA GPUs, or a combination of both.
