Intel Core i7 6950X 's Advantages
Lower TDP (140W vs 150W)
Intel Core i9 12900KS 's Advantages
Released 5 years and 11 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 (3.4GHz vs 3.0GHz)
Larger L3 cache size (30MB vs 25MB)
More modern manufacturing process (10nm vs 14nm)