Intel Core i9 12900KF 's Advantages
Released 4 years and 5 months late
Higher specification of memory (4800 vs 2400)
Newer PCIe version (5.0 vs 3.0)
Larger L3 cache size (30MB vs 8MB)
More modern manufacturing process (10nm vs 14nm)
Lower TDP (125W vs 140W)
Intel Core i7 7800X 's Advantages
Larger memory bandwidth (79.47GB/s vs 76.8GB/s)
Higher base frequency (3.5GHz vs 3.2GHz)