Intel Core i5 14400 's Advantages
Lower TDP (65W vs 150W)
Intel Core i9 14900KS 's Advantages
Better graphics card performance
Higher specification of memory (5600 vs 4800)
Larger memory bandwidth (89.6GB/s vs 76.8GB/s)
Higher base frequency (3.2GHz vs 2.5GHz)
Larger L3 cache size (36MB vs 20MB)