Intel Core i7 8700 's Advantages
Integrated graphics card
Lower TDP (65W vs 125W)
Intel Core i5 14600KF 's Advantages
Released 6 years late
Higher specification of memory (DDR5-5600 vs DDR4-2666)
Larger memory bandwidth (89.6GB/s vs 41.6GB/s)
Newer PCIe version (5.0 vs 3.0)
Higher base frequency (3.5GHz vs 3.2GHz)
Larger L3 cache size (24MB vs 12MB)
More modern manufacturing process (10nm vs 14nm)