Intel Core i7 Extreme 975
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Default clock: 3330MHz. Average overclock on air, water, cascade or liquid nitrogen
Hardware index based on 5,577 submissions (performance relative to fastest system, more info).
Socket, view compatible motherboards or other LGA1366 processors
Bloomfield Cores - view other processors from the Core i7 (Nehalem) family

CPU overclocking records

World records achieved by overclocking a Intel Core i7 Extreme 975 processor. Click on view more to see the complete hall of fame.

Benchmark Worldrecord Links
CPU Frequency Denmark 6218.69 mhz (22pts) Rankings
PiFast Germany 14sec 330ms (16.2pts) Rankings
SuperPi - 1M Germany 6sec 670ms (27.2pts) Rankings
SuperPi - 32M Germany 6min 9sec 950ms (25.4pts) Rankings
wPrime - 32m Taiwan 4sec 134ms (30.2pts) Rankings
wPrime - 1024m Taiwan 2min 10sec 166ms (22.6pts) Rankings
XTU n/a Rankings
PCMark 2004 United States 12440 marks (2pts) Rankings
PCMark 2005 Germany 56182 marks (10.8pts) Rankings
PCMark Vantage Germany 35956 marks (2pts) Rankings
PCMark7 Germany 6185 marks (2pts) Rankings
Cinebench - 2003 United States 3445 points (0pts) Rankings
Cinebench - R11.5 United States 10.15 points (2pts) Rankings
Cinebench - R15 United States 962 cb (2pts) Rankings
GPUPI for CPU - 100M United States 30sec 378ms (2pts) Rankings
GPUPI for CPU - 1B United States 7min 13sec 360ms (2pts) Rankings
HWBOT x265 Benchmark - 1080p United States 9.07 fps (0pts) Rankings
HWBOT x265 Benchmark - 4k United States 1.6 fps (0pts) Rankings
Y-Cruncher - Pi-25m United States 4sec 235ms (0pts) Rankings
Y-Cruncher - Pi-1b United States 5min 14sec 228ms (0pts) Rankings
Y-Cruncher - Pi-10b n/a Rankings
3DMark11 Physics n/a Rankings
PerformanceTest United States 3608.4 Marks (0pts) Rankings
HWBOT Prime United States 5373.2 pps (2pts) Rankings
WinRAR United States 11430 KB/s (0pts) Rankings
Black Hole Benchmark Netherlands 15932 marks (0pts) Rankings
Geekbench3 - Multi Core United States 12209 points (2pts) Rankings
Geekbench3 - Single Core United States 3054 points (2pts) Rankings
PCMark Android - Work 1.0 n/a Rankings
PerformanceTest Mobile n/a Rankings
Vellamo Multicore n/a Rankings
HEVC h.265 Decode United States 760.94 marks (0pts) Rankings
RealBench HWBOT Version United States 111838 Points (0pts) Rankings
Speedsys n/a Rankings
Geekbench4 - Single Core United States 3573 points (0pts) Rankings
Geekbench4 - Multi Core United States 12519 points (0pts) Rankings
Testcpu n/a Rankings
PCMark Android - Work 2.0 n/a Rankings

Core i7 Extreme 975 used in other benchmarks

Benchmark Worldrecord Links
Aquamark Germany 421278 marks (6.9pts) Rankings
Reference Clock United States 200.01 MHz (0.1pts) Rankings
AS SSD Benchmark Sweden 272 points (0pts) Rankings
Memory Clock Belgium 1032.4 MHz (0pts) Rankings
3DMark 99 Max Greece 49781 marks (0pts) Rankings
3DMark2000 Czech Republic 47853 marks (0pts) Rankings
3DMark2001 SE Germany 111761 marks (0pts) Rankings
3DMark03 Greece 191062 marks (0.3pts) Rankings
3DMark05 Germany 51284 marks (1.4pts) Rankings
3DMark06 Germany 39316 marks (3pts) Rankings
3DMark11 - Performance United States 15057 marks (0.1pts) Rankings
3DMark11 - Entry Finland 12980 marks (0.1pts) Rankings
3DMark11 - Extreme United States 5910 marks (0pts) Rankings
3DMark Vantage - Performance Germany 47002 marks (0.7pts) Rankings
MaxxMem Austria 2442.3 marks (0pts) Rankings
3DMark - Ice Storm Netherlands 139551 marks (0.8pts) Rankings
3DMark - Cloud Gate Netherlands 20091 marks (0.4pts) Rankings
Unigine Heaven - Basic Preset Ukraine 4752.61 DX9 Marks (0pts) Rankings
Unigine Heaven - Xtreme Preset Germany 3288.97 DX11 Marks (0pts) Rankings
3DMark - Fire Strike Netherlands 4495 marks (0.1pts) Rankings