Intel Core i5 12400 's Advantages
Released 2 years and 4 months late
Integrated graphics card
Higher specification of memory (DDR5-4800 vs DDR4-3200)
Larger memory bandwidth (76.8GB/s vs 51.2GB/s)
Newer PCIe version (5.0 vs 4)
AMD Ryzen 5 3500X 's Advantages
Better graphics card performance
Higher base frequency (3.6GHz vs 2.5GHz)
Larger L3 cache size (32MB vs 18MB)