AMD Ryzen 5 5600 's Advantages
Released 4 years and 6 months late
Higher specification of memory (DDR4-3200 vs DDR4-2666)
Larger memory bandwidth (51.2GB/s vs 41.6GB/s)
Newer PCIe version (4.0 vs 3.0)
Higher base frequency (3.5GHz vs 2.8GHz)
Larger L3 cache size (32MB vs 9MB)
Intel Core i5 8400 's Advantages
Integrated graphics card