Intel Core i7 7700K's Advantages
Better graphics card performance
Higher base frequency (4.2GHz vs 3.6GHz)
Lower TDP (91W vs 125W)
Intel Core i9 10850K's Advantages
Released 3 years and 6 months late
Higher specification of memory (DDR4-2933 vs DDR4-2400)
Larger memory bandwidth (45.8GB/s vs 35.76GB/s)
Larger L3 cache size (20MB vs 8MB)