AMD Ryzen 5 2400G 's Advantages
Better graphics card performance
Higher specification of memory (2933 vs 2666)
Larger memory bandwidth (43.71GB/s vs 41.6GB/s)
Higher base frequency (3.6GHz vs 2.9GHz)
Intel Core i5 9400 's Advantages
Released 11 months late
Larger L3 cache size (9MB vs 4MB)