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 3.2GHz)
Larger L3 cache size (30MB vs 20MB)
More modern manufacturing process (10nm vs 14nm)
Intel Core i7 6900K 's Advantages
Lower TDP (140W vs 150W)