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Intel Core i7 8700K processor review -
Power Consumption
by on: 10/05/2017 02:57 PM [
] 235 comment(s)
] 235 comment(s)
Power Consumption
In an IDLE state, a PC (motherboard / processor / memory / SSD/ GTX 1080) consumes roughly 50 Watts. This number depends and will vary per motherboard (added ICs / controllers / wifi / bluetooth) and PSU (efficiency). Keep in mind that we measure the ENTIRE PC, not just the processor's power consumption. Your average PC can differ from our numbers if you add optical drives, HDDs, soundcards etc.
Again, I want to make it very clear that power consumption measurements will differ per PC and setup. Your attached components use power but your motherboard can also have additional ICs installed like an audio controller, 3rd party chips, network controllers, extra SATA controllers, extra USB controllers, and so on. These parts all consume power, so these results are a subjective indication. Next to that, we stress all CPU cores 100% and thus show peak power consumption. Unless you transcode video with the right software your average power consumption will be much lower.
Overall stress/load temperatures are moderate with temps at the ~55 C marker. These, of course, are default results and not tweaked and based on Wprime on a 1024M run. The processor idles at roughly 30 Degrees C. We used our trusty Corsair H110 here for cooling (liquid cooling LCS kit). Side-note, this was done with the latest public BIOS and fan RPM was fairly aggressive.
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