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Finding World Record Primes Since 1996

PrimeNet CPU Benchmarks

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CPU speed range:
CPU must have this many benchmarks reported:
Only display benchmarks reported since: (yyyy-mm-dd)
Model Intel(R) Xeon(R) CPU X5650 @ 2.67GHz
Stock Speed   no stock speed set
Features Prefetch,SSE,SSE2,SSE4
L1 Cache 32 KB
L2 Cache 256 KB
L3 Cache 12288 KB

Program Speed (MHz) 29.69M to 34.56M (1792K)34.56M to 39.50M (2048K)39.50M to 49.10M (2560K)49.10M to 58.52M (3072K)58.52M to 68.13M (3584K)68.13M to 77.91M (4096K)Trial fac 65 bitsValid Data?Select
Windows64, Prime95, v28.10, build 1417920.2023.8128.9135.4445.1047.16
Windows64, Prime95, v27.9, build 1400021.4123.7529.4840.4943.0549.933.52Good
Windows64, Prime95, v28.7, build 1400020.6522.8829.8039.4643.1053.27
Windows64, Prime95, v28.6, build 1360023.5425.0132.8344.3456.3856.65
Windows64, Prime95, v28.7, build 1335116.0119.4121.7427.9838.9739.73
Windows64, Prime95, v28.4, build 1306526.2130.1637.6846.4055.3062.284.62
Windows64, Prime95, v29.4, build 73059
Windows64, Prime95, v28.7, build 1293416.0119.4121.7427.9838.9739.73
Windows64, Prime95, v28.7, build 1293416.3218.7324.1027.6335.2638.33
Windows64, Prime95, v27.9, build 1293330.3534.5743.0255.6662.8672.984.91
Windows64, Prime95, v28.9, build 2293326.9130.5038.8147.5956.7663.92
Windows64, Prime95, v30.3, build 62933
Windows64, Prime95, v28.10, build 1270032.3136.3445.8060.8873.3876.60
Windows64, Prime95, v28.4, build 1253327.1833.6139.6348.2357.0264.944.80
All timings are in milliseconds - lower is better