Intel Core i7 7700K 's Advantages
Higher base frequency (4.2GHz vs 2.1GHz)
Intel Core i7 14700 's Advantages
Released 7 years late
Better graphics card performance
Higher specification of memory (DDR5-5600 vs DDR4-2400)
Larger memory bandwidth (89.6GB/s vs 35.76GB/s)
Newer PCIe version (5.0 vs 3.0)
Larger L3 cache size (33MB vs 8MB)
More modern manufacturing process (10nm vs 14nm)
Lower TDP (65W vs 91W)