Intel Celeron 266MHz (Slot 1)
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439MHz
Default clock: 266MHz, 16 Watt. Average overclock on air, water, cascade or liquid nitrogen
1/100
Hardware index based on 147 submissions (performance relative to fastest system, more info).
Slot 1
Socket, view compatible motherboards or other Slot 1 processors
1
Covington Core - view other processors from the Celeron (Pentium II) family

CPU overclocking records

World records achieved by overclocking a Intel Celeron 266MHz (Slot 1) processor. Click on view more to see the complete hall of fame.

Benchmark Worldrecord Links
CPU Frequency Slovenia 712.8 mhz (4.2pts) Rankings
PiFast Slovenia 6min 12sec 950ms (2pts) Rankings
SuperPi - 1M 3min 26sec 658ms (2pts) Rankings
SuperPi - 32M 3h 11min 59sec 384ms (2pts) Rankings
wPrime - 32m 5min 26sec 189ms (2pts) Rankings
wPrime - 1024m Slovenia 2h 59min 0sec 835ms (2pts) Rankings
XTU n/a Rankings
PCMark04 Slovenia 850 marks (2pts) Rankings
PCMark05 n/a Rankings
PCMark Vantage n/a Rankings
PCMark 7 n/a Rankings
PCMark10 n/a Rankings
PCMark10 Express n/a Rankings
PCMark10 Extended 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 Belarus 506.4 pps (2pts) Rankings
WinRAR Belarus 226 KB/s (0pts) 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
Parallel PI n/a Rankings

Celeron 266MHz (Slot 1) used in other benchmarks

Benchmark Worldrecord Links
Reference Frequency 133.3 MHz (0.1pts) Rankings