ENGLISH Review + new charts – Intel Core i7 8700K & Intel Core i5 8600K – Coffee Lake + AORUS Z370 Ultra Gaming
Power consumption and temperatures
When it comes to power draw and temperature, we can see that Intel really managed to brush up the ole’ 14nm process and they did a mighty fine job too. Because of that, Core i5 8600K takes as much power as 7700K, even if it has 2 extra cores, while Core i7 8700K manages to have a lower power draw compared to Ryzen 5 1600X or Core i7 7800X, even if it has the same number of cores and operates at higher clocks.
A bad news for extreme overclockers – Intel is still using badger fat between the IHS and the die. However, the Coffee Lake CPU’s actually perform pretty well when it comes to core temperature, with 65 oC for 8600K at 4300MHz and 70 oC for 8700K at 4700MHz. Of course, when we bump up the voltage, 8600K can get as hot as 92 oC (5100MHz, 1.35v), which is does not come as a surprise, taking into consideration that we used an air-cooler with a single fan (Noctua NH-D15), with a stock CPU ( no delid), in a pretty hot ambient.