Intel Core i5 12600 's Advantages
Released 5 years and 8 months late
Integrated graphics card
Higher specification of memory (DDR5-4800 vs DDR4-2133)
Newer PCIe version (5.0 vs 3.0)
Higher base frequency (3.3GHz vs 3.2GHz)
More modern manufacturing process (10nm vs 14nm)
Lower TDP (65W vs 140W)
Intel Core i7 6900K 's Advantages
Larger L3 cache size (20MB vs 18MB)