Intel Pentium III Xeon 866Mhz
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Default clock: 866MHz, 36 Watt. Average overclock on air, water, cascade or liquid nitrogen
Hardware index based on 13 submissions (performance relative to fastest system, more info).
Slot 2
Socket, view compatible motherboards or other Slot 2 processors
Cascades Core - view other processors from the Pentium III Xeon family

CPU overclocking records

World records achieved by overclocking a Intel Pentium III Xeon 866Mhz processor. Click on view more to see the complete hall of fame.

Benchmark Worldrecord Links
CPU Frequency Puerto Rico 864.66 mhz (2pts) Rankings
PiFast Puerto Rico 3min 21sec 140ms (2pts) Rankings
SuperPi - 1M Puerto Rico 2min 12sec 547ms (2pts) Rankings
SuperPi - 32M Puerto Rico 1h 51min 16sec 734ms (2pts) Rankings
wPrime - 32m Puerto Rico 4min 0sec 343ms (2pts) Rankings
wPrime - 1024m Puerto Rico 2h 8min 19sec 922ms (2pts) Rankings
XTU n/a Rankings
PCMark04 Puerto Rico 1422 marks (2pts) Rankings
PCMark05 Puerto Rico 1595 marks (2pts) Rankings
PCMark Vantage n/a Rankings
PCMark 7 n/a Rankings
Cinebench - 2003 n/a Rankings
PCMark Android - Work 1.0 n/a Rankings
Cinebench - R11.5 n/a Rankings
PCMark Android - Work 2.0 n/a Rankings
Cinebench - R15 n/a Rankings
GPUPI for CPU - 100M n/a Rankings
GPUPI for CPU - 1B n/a Rankings
HWBOT x265 Benchmark - 1080p n/a Rankings
HWBOT x265 Benchmark - 4k n/a Rankings
Y-Cruncher - Pi-25m n/a Rankings
Y-Cruncher - Pi-1b n/a Rankings
Y-Cruncher - Pi-10b n/a Rankings
3DMark11 Physics n/a Rankings
PerformanceTest n/a Rankings
HWBOT Prime Puerto Rico 662.04 pps (2pts) Rankings
WinRAR n/a Rankings
Black Hole Benchmark n/a Rankings
Geekbench3 - Multi Core n/a Rankings
Geekbench3 - Single Core n/a Rankings
PerformanceTest Mobile n/a Rankings
Vellamo Multicore n/a Rankings
HEVC h.265 Decode n/a Rankings
RealBench HWBOT Version n/a Rankings
Speedsys n/a Rankings
Geekbench4 - Single Core n/a Rankings
Geekbench4 - Multi Core n/a Rankings
Testcpu n/a Rankings
[KRIEG] Math CPU Benchmark 2016 - Basic n/a Rankings
[KRIEG] Math CPU Benchmark 2016 - Extreme n/a Rankings
Parallel PI n/a Rankings

Pentium III Xeon 866Mhz used in other benchmarks

Benchmark Worldrecord Links
Reference Frequency Puerto Rico 133.02 MHz (2pts) Rankings