How to Run Computer Performance Benchmark Test

Test your computer's CPU and GPU performance directly in your browser with our free hardware stress testing tool. Check system stability and performance under load.

A free online GPU (and CPU) stress testing and benchmarking tool. Fully web-based (using Javascript and WebGL) - no downloads or installation required.

Powered by a photon-mapping rendering engine, it measures raw CPU performance on PC or mobile. Choose from three modes— Performance, Extreme, or Stress. All tests run on the CPU only (no GPU required). The stress test is ideal for burn-in, heat, and

Free online benchmark that runs in your browser, testing the graphics performance. Compare the score results in Powerboard.

UserBenchmark.com can quickly establish whether your PC is underperforming and suggest likely hardware and software issues. Test how fast your processor, graphics card, storage drives and memory are by running the free UserBenchmark Speed Test.

Run UserBenchmark free online to test CPU, GPU, RAM, and overall PC performance. Browser-based hardware benchmark with charts, scores, and comparisons.