The 7700K is the leading Kaby Lake SKU and it has a thermal design point (TDP) of 91 watts. Because it is a K SKU, which means it's overclockable, Intel does not include a cooler with the chip.

The Core i7-7700K is Intel’s latest flagship enthusiast processor, and it looks quick on paper. It fails to make significant architecture or production process changes that might boost performance.

The Core i7-7700K is set to be Intel’s flagship desktop CPU built on a 14nm manufacturing process, ... If so, its TDP won’t go above a mere 4.5W.

Intel Core i5-8600K vs. i7-7700K Specifications Unusual for an i5, the Core i5-8600K actually has six cores and six threads. This is the first time a Core i5 came in six cores.

TDP (Thermal Design Power) is down across the board compared to Intel, ... Even benchmarked clock-for-clock against Intel's Core i7 6900K Broadwell-E and Core i7-7700K Kaby Lake chips ...