Intel Core i7 8700K 's Advantages
Higher base frequency (3.7GHz vs 2.5GHz)
Intel Core i7 11700 's Advantages
Released 3 years and 5 months late
Better graphics card performance
Higher specification of memory (3200 vs 2666)
Larger memory bandwidth (50GB/s vs 41.6GB/s)
Newer PCIe version (4.0 vs 3.0)
Larger L3 cache size (16MB vs 12MB)
Lower TDP (65W vs 95W)