Intel Core i5 11400 's Advantages
Higher base frequency (2.6GHz vs 2.1GHz)
Intel Core i7 12700 's Advantages
Released 10 months late
Better graphics card performance
Higher specification of memory (4800 vs 3200)
Larger memory bandwidth (76.8GB/s vs 50GB/s)
Newer PCIe version (5.0 vs 4.0)
Larger L3 cache size (25MB vs 12MB)
More modern manufacturing process (10nm vs 14nm)