Intel 4790K LGA1150 CPU
Today, we're looking at three Intel 4790K processors with an S-spec of SR219, C0 stepping. To ensure our overclocking results are relevant to your overclocking endeavors, we decided to invest in three retail CPUs to get a good idea of the overclocking ability of these new CPUs. We purchased them from two different Microcenter locations, but we still ended up with two from the same batch.
The contents of the package include a 4790K CPU, Intel box heat sink cooler, manual with sticker, and a promotion from McAfee (now an Intel company).
Intel teased that the 4790K would have improved thermal interface material (TIM) compared to the 4770K. Rumors were that the CPU die would be soldered to the integrated heat spreader (IHS), but the lack of a hole in the HIS, which Intel uses for die expansion/contraction as seen on LGA2011 CPUs, is absent. This means that they have either improved the paste itself or improved the contact between the die and the HIS. Either way, temperatures do seem to be cooler overall compared to the 4770Ks we have tested.
Intel has also added extra capacitors to the 4790K, possibly to stabilize the use of higher voltages needed for higher Turbo ratios.
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