Intel Core i5 12600H Advantages
Better graphics card performance
Higher base frequency (2.7GHz vs 2.5GHz)
Lower TDP (45W vs 75W)
AMD Ryzen 9 9955HX Advantages
Released 3 years late
Higher specification of memory (5600 vs 5200)
Newer PCIe version (5.0 vs 4.0)
Larger L3 cache size (64MB vs 18MB)
More modern manufacturing process (4nm vs 10nm)