Intel Core i7 6850K 's Advantages
Higher base frequency (3.6GHz vs 3.5GHz)
Larger L3 cache size (15MB vs 8MB)
Intel Core i7 7800X 's Advantages
Released 1 years late
Higher specification of memory (2400 vs 2133)
Larger memory bandwidth (79.47GB/s vs 76.8GB/s)