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39 free online device tests

Free phone and PC testing tools

Find CPS, reaction, mouse Hz, keyboard ghosting, audio sync, motion blur, mic, speaker, touch, display, CPU/GPU, RAM, and internet tests.

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3 tests

CPU & memoryCPU Test OnlineMeasure sustained single-worker and multi-worker processor performance.Usually 12–25 secondsOpen CPU & memoryRAM Checker OnlineShow the browser's approximate memory hint and run a safe allocation probe.Instant info · optional short probeOpen CPU & memoryMemory Speed Test OnlineMeasure bounded JavaScript array write, read, and traversal throughput.2–4 secondsOpen