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SilverBench · fast and easy multicore CPU benchmark that runs directly in your browser using JavaScript. 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 stability checks.

Check out the recent changes we've made—and those still on the way—to keep SilverBench future-proof for online CPU, GPU, and WEB benchmarking.

SilverBench
The .js edition · 2.1
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Last 25 benchmarks · Mixed all

  • X4553·49s ago
  • P59511·5m ago
  • X14000i·10m ago
    jonyjonana
  • P3654·10m ago
  • P26060i·10m ago
    Mann
  • P9135i·10m ago
    Bb
  • P128845·13m ago
  • X3009i·13m ago
    Mild Potato
  • S0.0339·14m ago
  • P68922·14m ago
  • P18307·16m ago
  • P50619i·16m ago
    Anonymous
  • P110642·17m ago
  • P110864·17m ago
  • X4435i·17m ago
    Sweet Potato
  • X4271·17m ago
  • P18793i·22m ago
  • S0.005·25m ago
  • P3973i·25m ago
    ootz
  • X10604i·29m ago
    IgregzZ
  • X10554·35m ago
  • S0.0003·35m ago
  • P52258i·37m ago
    saradaabura
  • P107510·37m ago
  • X10888i·41m ago
Results are shown in submission order.

All time TOP 10 · Performance

  • P235797i·36d ago
    braco
  • P235035i·41d ago
    braco
  • P226731i·146d ago
    amd
  • P224039i·56d ago
    PeeJay
  • P223317i·41d ago
    ten
  • P219956i·6d ago
  • P218536i·214d ago
    pp
  • P213411i·23d ago
    kylix03
  • P212533i·154d ago
    val
  • P211349i·134d ago
    Simke
Performance scores (higher is better).

All time TOP 10 · Extreme

  • X26608i·4y+ ago
    Droidbot
  • X25219i·2y+ ago
  • X23590i·5y+ ago
    Droidbot
  • X21743i·55d ago
    jarda
  • X21699i·24d ago
  • X21679i·12d ago
    Mr_robobot
  • X21496i·59d ago
    braco
  • X21319i·24d ago
    ryzen9
  • X21128·81d ago
  • X21122i·74d ago
    BBB
Extreme score (higher is better).

All time TOP 10 · Stress

  • S0.0812·24d ago
  • S0.0804·11d ago
  • S0.0802·59d ago
  • S0.0796·12d ago
  • S0.0787·24d ago
  • S0.0777·16d ago
  • S0.077·146d ago
  • S0.077·90d ago
  • S0.0769·100d ago
  • S0.0756·101d ago
Stress score (higher is better). Scores are collected automatically after 10th rendered frame.

Drill down…

See more · Last 100 benchmarks

See best of the best · Top charts · Performance · Extreme · Stress

See system statistics · Overview · OS · CPU · Threads


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SilverBench stats
8,272,901 benchmarks done.
That's about 106 tera rays!
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Your quotes
SilverBench · Did this on my highschool Chromebook. It registered as "200%" CPU usage.
—Anonymous
Performance
Done in 0.25898 seconds
SilverBench news

Sep, 2025 · SilverBench.js v2.1

Nov, 2018 · SilverBench.js v2.0

Jun, 2012 · SilverBench v1.5

Mar, 2011 · We are live

Feb, 2011 · First public beta

Aug, 2010. · Pre alpha

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