Intel Core i5 13420H 's Advantages
Better graphics card performance
Lower TDP (45W vs 55W)
Intel Core i9 13900HX 's Advantages
Higher specification of memory (5600 vs 5200)
Larger memory bandwidth (89.6GB/s vs 76.8GB/s)
Higher base frequency (2.2GHz vs 2.1GHz)
Larger L3 cache size (36MB vs 12MB)