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TEST RESULTS: DISCRETE GRAPHICS
The bulk of our CPU testing was conducted with a discrete graphics card (a GeForce 9400 GT) to eliminate integrated graphics as a variable, most notably with regards to power consumption. It's also necessary to fairly compare CPUs that do not have an onboard graphics chip such as AMD FX models.
Given the clock speeds differences between the i7-6700 and the i7-6700K, the results are not surprising. The vanilla 6700 lags behind slightly in all of our tests but draws less power than the "K" model. The A8-7600 was thrown in along with the other competitors despite being a sub-US$100 APU because it's AMD's only widely available quad core chip with a 65W TDP. The i7-6700 and i7-5775C are 65W parts as well but they deliver far greater performance and energy efficiency.
We arrived at our overall performance figures by giving each CPU a proportional
score in each real world benchmark with each test having an equal weighting.
The scale has been adjusted so that the i7-6700 is the reference point with
a score of 100.
The performance difference between the 6700K and 6700 is approximately 7%.
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