Intel Core i9 12900KS 's Advantages
Released 3 years and 6 months late
Better graphics card performance
Higher specification of memory (4800 vs 2666)
Larger memory bandwidth (76.8GB/s vs 41.6GB/s)
Newer PCIe version (5.0 vs 3.0)
Larger L3 cache size (30MB vs 9MB)
More modern manufacturing process (10nm vs 14nm)
Intel Core i5 9600K 's Advantages
Higher base frequency (3.7GHz vs 3.4GHz)
Lower TDP (95W vs 150W)