Intel Core i7 6900K 's Advantages
Larger memory bandwidth (76.8GB/s vs 41.6GB/s)
Larger L3 cache size (20MB vs 9MB)
Intel Core i5 8600K 's Advantages
Released 1 years and 5 months late
Integrated graphics card
Higher specification of memory (2666 vs 2133)
Higher base frequency (3.6GHz vs 3.2GHz)
Lower TDP (95W vs 140W)