AMD Ryzen 9 3900X 's Advantages
Higher base frequency (3.8GHz vs 3.7GHz)
Larger L3 cache size (64MB vs 20MB)
More modern manufacturing process (7nm vs 10nm)
Lower TDP (105W vs 125W)
Intel Core i5 12600KF 's Advantages
Released 2 years and 3 months late
Higher specification of memory (4800 vs 3200)
Larger memory bandwidth (76.8GB/s vs 47.68GB/s)
Newer PCIe version (5.0 vs 4.0)