AMD Phenom II X4 955 Processor Review

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Phenom II X4 955 Overclocking

Overclocking greatly varies due to what hardware is being used and who is doing the overclocking. Always remember that no two pieces of hardware will perform the same, so our results will differ from what you might be able to get.

AMD Phenom II X4 955 Black Edition Processor Default Settings

With stock BIOS settings, the Phenom II X4 955 processor runs with a 200MHz bus speed and an 16.0x multiplier that is used to reach the final core clock of 3.20GHz. Let’s start off by overclocking without adjusting any voltages to see what the Phenom II X4 955quad-core processor can do out of the box by just increasing the multipliers.

AMD Phenom II X4 955 Black Edition Processor Overclocking

By just raising the multiplier we were able to easily reach 3.80GHz, which is an overclock of 600MHz with no voltage changes at all.

AMD Phenom II X4 955 Black Edition Overclocked to 3.9GHz

By bumping up the CPU voltage to 1.45V we were able to increase the multiplier up to 19.5x, which is enough to reach 3.90GHz!  Not a bad overclock for just changing the multiplier and bumping up the voltage a little bit. Due to time constraints we did touch the bus speed, but a 700MHz overclock is enough to put a smile on most enthusiasts faces. In the hands of extreme overclockers these chips have been known to break 7GHz, so the Phenom II X4 955 Black Edition is no joke when it comes to overclocking.

Intel Core 2 Quad Processor Overclock Benchmarking

When it comes to benchmarks, the overclocked Phenom II X4 955 processor was nearly 20% quicker!

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