Intel Core i5 12400 's Advantages
Released 5 years late
Higher specification of memory (DDR5-4800 vs DDR4-2400)
Larger memory bandwidth (76.8GB/s vs 35.76GB/s)
Newer PCIe version (5.0 vs 3.0)
Larger L3 cache size (18MB vs 6MB)
More modern manufacturing process (10nm vs 14nm)
Intel Core i5 7600 's Advantages
Better graphics card performance
Higher base frequency (3.5GHz vs 2.5GHz)