Intel Core i5 11600 's Advantages
Better graphics card performance
Higher base frequency (2.8GHz vs 2.5GHz)
Intel Core i5 13400 's Advantages
Released 1 years and 10 months late
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 (20MB vs 12MB)
More modern manufacturing process (10nm vs 14nm)