Intel Core i5 6600K 's Advantages
Lower TDP (91W vs 125W)
Intel Core i5 14600K 's Advantages
Released 8 years and 2 months late
Higher specification of memory (DDR5-5600 vs DDR4-2133)
Larger memory bandwidth (89.6GB/s vs 34.1GB/s)
Newer PCIe version (5.0 vs 3.0)
Larger L3 cache size (24MB vs 6MB)
More modern manufacturing process (10nm vs 14nm)