Intel Core i5 11400 's Advantages
Higher base frequency (2.6GHz vs 2.1GHz)
Intel Core i7 14700 's Advantages
Released 2 years and 10 months late
Better graphics card performance
Higher specification of memory (5600 vs 3200)
Larger memory bandwidth (89.6GB/s vs 50GB/s)
Newer PCIe version (5.0 vs 4.0)
Larger L3 cache size (33MB vs 12MB)
More modern manufacturing process (10nm vs 14nm)