Intel Core i5 9400 's Advantages
Larger L3 cache size (9MB vs 4MB)
AMD Ryzen 3 4300G 's Advantages
Released 1 years and 6 months late
Better graphics card performance
Higher specification of memory (3200 vs 2666)
Larger memory bandwidth (43.71GB/s vs 41.6GB/s)
Higher base frequency (3.8GHz vs 2.9GHz)
More modern manufacturing process (7nm vs 14nm)