Intel Core i5 6600 's Advantages
Lower TDP (65W vs 125W)
Intel Core Ultra 7 265K 's Advantages
Released 9 years and 1 months late
Higher specification of memory (6400 vs 2133)
Larger memory bandwidth (102.4GB/s vs 34.1GB/s)
Newer PCIe version (5.0 vs 3.0)
Higher base frequency (3.9GHz vs 3.3GHz)
Larger L3 cache size (30MB vs 6MB)
More modern manufacturing process (3nm vs 14nm)