AMD Ryzen 7 7800X 's Advantages
Released 7 years and 4 months late
Higher specification of memory (DDR5-5200 vs DDR4-2133)
Newer PCIe version (5.0 vs 3.0)
Higher base frequency (4.5GHz vs 2.7GHz)
Larger L3 cache size (40MB vs 6MB)
Intel Core i5 6400 's Advantages
Lower TDP (65W vs 105W)