SilverBench · CPU Benchmark & Stress Test Online

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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 a PC or mobile device. 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 · All tests

P45033·2m ago
S0.0071·5m ago
X2742i·7m ago
Linux kingoptiplex 7070 upgraded
X4257·13m ago
P23434i·15m ago
Linux kingoptiplex 7070 upgraded
S0.0261·16m ago
X1409·18m ago
P44728·18m ago
P31566·22m ago
P38866·27m ago
P30863i·31m ago
Chrome OS
P130317·32m ago
S0.0569·33m ago
S0.0225·35m ago
P62390·37m ago
P67325·41m ago
P57773i·41m ago
MatoMacbook air m3 16/512
S0.0048·44m ago
P22423·46m ago
P104130·46m ago
P74442·49m ago
P39589·54m ago
P15256·56m ago
X2310i·1h ago
alejointel i5 7500
S0.0223·1h ago

Results are shown in submission order.

All-time TOP 10 · Performance

P282941i·36d ago
AZP30016.3Ghz
P277246i·45d ago
DataOxRyzen 9 7900x OC 6.15GHZ only 12 threads
P263712i·68d ago
AZP3001Industrial Cooler -87°C
P263357i·100d ago
godofputersLN2 cooled CPU stack
P247365i·71d ago
sumguy9950x3d2
P242414i·223d ago
Nante9975wx
P236402i·81d ago
Furry_Smasher9950x3d2 5.65 all core
P235797i·304d ago
bracoryzen 9 9950x3d & rx9070xt
P235035i·309d ago
bracoryzen 9 9950x3d & rx9070xt
P229287i·156d ago
Jay - 9950x3D2

Performance scores (higher is better).

All-time TOP 10 · Extreme

X26608i·5y+ ago
DroidbotAmpere Altra 80c
X25219i·2y+ ago
AMD EPYC 9474F
X24281i·100d ago
godofputersLN2 cooled CPU stack
X23590i·5y+ ago
DroidbotEPYC 7J13*2
X23065i·223d ago
Nante9975wx
X22828·200d ago
X22728i·151d ago
AnonymousAMD Ryzen Threadripper 9975WX
X21743i·323d ago
jardaAMD Ryzen Threadripper 9975WX
X21699i·292d ago
Aux
X21679i·280d ago
Mr_robobotThreadripper 9960X 24-Cores

Extreme score (higher is better).

All-time TOP 10 · Stress

S0.0827·200d ago
S0.0813·151d ago
S0.0812·292d ago
S0.0811·238d ago
S0.0804·279d ago
S0.0802·327d ago
S0.0796·280d ago
S0.0795·3d ago
S0.0793·159d ago
S0.0789·54d ago

Stress score (higher is better). Scores are collected automatically after the 10th rendered frame.

Drill down…

See more · Last 100 benchmarks

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

See system statistics · Overview · OS · CPU · Threads

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SilverBench stats

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Your quotes

SilverBench · My school chromebook went up to 100 degrees celcius before not working ever again.
—Anonymous

Performance

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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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