Intel Core i7 6700K 's Advantages
Integrated graphics card
Higher base frequency (4.0GHz vs 3.4GHz)
Lower TDP (91W vs 125W)
Intel Core i7 14700KF 's Advantages
Released 8 years and 2 months late
Higher specification of memory (5600 vs 2133)
Larger memory bandwidth (89.6GB/s vs 34.1GB/s)
Newer PCIe version (5.0 vs 3.0)
Larger L3 cache size (33MB vs 8MB)
More modern manufacturing process (10nm vs 14nm)