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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) Core(TM) i5-4250U CPU @ 1.30GHz
Stock Speed   no stock speed set
Features Hyperthreaded,Prefetch,SSE,SSE2,SSE4,AVX,AVX2,FMA,
L1 Cache 32 KB
L2 Cache 256 KB
L3 Cache 3072 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 1228813.4416.4818.4323.3226.4230.79
Windows64, Prime95, v28.10, build 1228813.2515.2419.7623.1326.7032.77
Mac OS X 64-bit, Prime95, v28.5, build 2214112.5013.5419.7023.8424.8628.49
Mac OS X 64-bit, Prime95, v28.5, build 2214112.4015.6219.9521.3525.8731.19
Mac OS X 64-bit, Prime95, v28.9, build 2214113.9215.8119.6324.9130.2742.83
Mac OS X 64-bit, Prime95, v28.9, build 2214113.5014.6518.0721.5526.1929.87
Mac OS X 64-bit, Prime95, v28.9, build 2214122.5243.3833.8637.2845.3456.06
Mac OS X 64-bit, Prime95, v28.9, build 2214113.6214.7518.0822.2726.7133.28
Mac OS X 64-bit, Prime95, v28.5, build 2214017.5815.4719.3622.9625.9232.67
Mac OS X 64-bit, Prime95, v28.5, build 2214012.4814.0318.4421.4225.5033.01
Mac OS X 64-bit, Prime95, v28.5, build 2214021.9413.6421.0923.2035.7035.49
Mac OS X 64-bit, Prime95, v28.5, build 2214013.3218.8522.5924.2428.9431.75
Mac OS X 64-bit, Prime95, v28.5, build 2214015.9116.1521.3726.9530.0834.27
Mac OS X 64-bit, Prime95, v28.5, build 2214012.6114.1617.7021.5325.8329.95
Mac OS X 64-bit, Prime95, v28.5, build 2214013.9913.9317.6120.8725.0628.60
Mac OS X 64-bit, Prime95, v28.5, build 2214012.2014.2517.3620.8925.5430.88
Mac OS X 64-bit, Prime95, v28.5, build 2214013.0815.0119.1722.4226.1530.17
Mac OS X 64-bit, Prime95, v28.7, build 1214013.4225.7121.0822.0534.9932.33
Mac OS X 64-bit, Prime95, v28.7, build 1214014.0517.8318.5021.2228.7829.61
Mac OS X 64-bit, Prime95, v28.7, build 1214012.7714.1818.2521.9525.9929.46
Mac OS X 64-bit, Prime95, v28.7, build 1214012.9214.8118.1121.3225.2028.54
Mac OS X 64-bit, Prime95, v28.7, build 1214012.6014.8218.6423.4327.3530.79
Mac OS X 64-bit, Prime95, v28.7, build 1214012.9714.8920.1323.0226.4730.33
Mac OS X 64-bit, Prime95, v28.7, build 1214013.5115.2320.0922.5128.9330.34
Mac OS X 64-bit, Prime95, v28.7, build 1214013.6614.7918.4422.9925.8729.19
Mac OS X 64-bit, Prime95, v28.7, build 1214012.8315.1617.9823.0427.4530.61
Mac OS X 64-bit, Prime95, v28.7, build 1214014.8017.1721.7424.9930.2833.86
Mac OS X 64-bit, Prime95, v28.9, build 2214012.7113.9518.0921.4847.5630.27
Mac OS X 64-bit, Prime95, v28.9, build 2214014.1814.2018.5021.7126.2130.60
Mac OS X 64-bit, Prime95, v28.9, build 2214014.0015.6919.8624.0829.3935.83
Mac OS X 64-bit, Prime95, v28.9, build 2214012.8815.8718.7822.2929.0030.16
Mac OS X 64-bit, Prime95, v28.7, build 1214012.1913.9817.4221.8225.9328.49
Mac OS X 64-bit, Prime95, v28.7, build 1213912.4413.9317.9421.6225.2829.28
Windows64, Prime95, v28.7, build 1213611.8713.4217.0420.5024.5627.87
Mac OS X 64-bit, Prime95, v28.9, build 2213613.2315.3728.0226.1842.5335.49
Windows64, Prime95, v28.5, build 2213512.3914.0918.0122.1925.6331.15
Mac OS X 64-bit, Prime95, v28.5, build 2208347.6818.1920.7126.2830.3535.78
Windows64, Prime95, v28.5, build 2189921.6124.4830.2537.5244.7249.74
All timings are in milliseconds - lower is better

You can help improve the accuracy of our benchmark data by reporting benchmarks that are obviously wrong. This can happen when cpu speed is detected incorrectly which often occurs when SpeedStep is enabled. Bad data can also occur when other programs run during a benchmark -- you might see all timings are too high or you might see a smaller FFT taking more than a larger FFT. By flagging these bad benchmarks, the main benchmark page will report more accurate average timings.

 Check to confirm you want to mark benchmarks suspect

If someone has inadvertantly marked good benchmark data suspect, you can vote for marking the benchmark valid.

If the stock CPU speed is not set correctly, you can set the stock CPU speed so that we correctly identify overclocked and underclocked benchmarks.

Stock CPU speed: