Intel Core i9 7900X 's Advantages
Larger memory bandwidth (79.47GB/s vs 41.6GB/s)
Higher base frequency (3.3GHz vs 3.1GHz)
Larger L3 cache size (14MB vs 9MB)
Intel Core i5 8600 's Advantages
Released 11 months late
Integrated graphics card
Lower TDP (65W vs 140W)