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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 AMD FX(tm)-4350 Quad-Core Processor
Stock Speed   4200 MHz
Features Prefetch,SSE,SSE2,SSE4,AVX,FMA,
L1 Cache 16 KB
L2 Cache 2048 KB
L3 Cache 8192 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, v28.5, build 2422837.3539.9752.0290.6565.0170.00
Windows64, Prime95, v28.5, build 2421928.3731.5539.1948.4957.8064.16
Windows64, Prime95, v28.5, build 2421933.7736.3946.5269.9968.1674.75
Windows64, Prime95, v28.7, build 1421928.3732.0239.7449.1461.3264.02
Windows64, Prime95, v28.9, build 2421959.09108.83139.24173.97216.89246.89
Linux64, Prime95, v28.10, build 1421928.0031.2538.8647.7656.7364.96
Windows64, Prime95, v28.10, build 1421930.4535.6641.2450.5662.1467.95
Windows64, Prime95, v28.5, build 2421932.2333.5844.0752.0461.7693.20
Windows64, Prime95, v28.10, build 1421944.0258.3476.0285.8886.5997.02
Windows64, Prime95, v28.10, build 1421929.0830.3836.6452.0460.9896.82
Windows64, Prime95, v28.9, build 2421834.8642.3650.5159.6871.40148.87
Windows64, Prime95, v28.10, build 1421434.0246.6646.5758.0068.9476.94
Windows64, Prime95, v28.5, build 2421429.1331.9639.7249.0158.3765.49
Windows64, Prime95, v28.5, build 2420828.4631.4839.2148.4857.7964.18
Windows64, Prime95, v28.10, build 1420031.9933.4944.8257.6263.5467.41
Windows64, Prime95, v28.5, build 2419129.5932.8040.8150.6660.5066.87
Windows64, Prime95, v28.9, build 2419129.1231.4340.1350.4559.5866.14
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: