Intel Core i9 13900KS 's Advantages
Released 2 years and 8 months late
Better graphics card performance
Higher specification of memory (5600 vs 2666)
Larger memory bandwidth (89.6GB/s vs 41.6GB/s)
Newer PCIe version (5.0 vs 3.0)
Higher base frequency (3.2GHz vs 2.9GHz)
Larger L3 cache size (36MB vs 12MB)
More modern manufacturing process (10nm vs 14nm)
Intel Core i5 10400 's Advantages
Lower TDP (65W vs 150W)