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Intel Core i7 3930K (LGA 2011) CPU Review - PCMark 7 and HyperPi

By: Shawn Baker | Intel CPUs in CPUs, Chipsets & SoCs | Posted: Nov 23, 2011 10:27 am
TweakTown Rating: 92%Manufacturer: Intel

PCMark 7


Version and / or Patch Used: 1.04

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PCMark 7 includes a range of tests that give different views of your system's performance. In the Advanced Edition you can choose which tests to run. The common use and hardware component tests are unavailable in the Basic Edition.


Overall system performance is measured by the PCMark test. This is the only test that returns an official PCMark score. The Lightweight test measures the system capabilities of entry-level systems and mobility platforms unable to run the PCMark test, but it does not generate a PCMark score. Common use performance is measured by the scenario tests - Entertainment, Creativity and Production - each of which results in a scenario score. Hardware component performance is measured by the hardware tests - Computation and Storage - each of which results in a hardware score.




Originally we found PCMark 7 performance to be a bit wobbly on the new platform, but it's seemed to even out a little over the last few weeks. Outside of the Lightweight stock score on the 3960X, we get a really good idea with what's going on with performance. Still, some of our numbers are a little all over the place so we won't put too much emphasis on this benchmark. Instead we'll get into HyperPi to see what's going on.



HyperPi 0.99


Version and / or Patch Used: 0.99

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HyperPi is a front end for SuperPi that allows for multiple concurrent instances of SuperPi to be run on each core recognized by the system. It is very dependent on CPU to memory to HDD speed. The faster these components, the faster it is able to figure out the number Pi to the selected length.


For our testing we use the 32M run. This means that each of the four physical and four logical cores for the i7 and the four physical cores of the i5 is trying to calculate the number Pi out to 32 million decimal places. Each "run" is a comparative to ensure accuracy and any stability or performance issues in the loop mentioned above will cause errors in calculation.




Looking at Hyper Pi, we see that the 3930K sits in line with our 2600k when running at stock and performs a few seconds faster overclocked even though the 2600k is running an extra 200MHz. Of course, next to the older 990X EE, the new 3930K offers superior performance.

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