Intel Core i5 6400 's Advantages
Integrated graphics card
Intel Core i5 9500F 's Advantages
Released 3 years and 7 months late
Higher specification of memory (2666 vs 2133)
Larger memory bandwidth (41.6GB/s vs 34.1GB/s)
Higher base frequency (3.0GHz vs 2.7GHz)
Larger L3 cache size (9MB vs 6MB)