Intel Core i5 12450HX 's Advantages
Newer PCIe version (5.0 vs 4.0)
Intel Core i5 12600H 's Advantages
Better graphics card performance
Higher specification of memory (5200 vs 4800)
Higher base frequency (2.7GHz vs 2.4GHz)
Larger L3 cache size (18MB vs 12MB)
Lower TDP (45W vs 55W)