Intel Core i5 13420H Advantages
Better graphics card performance
Lower TDP (45W vs 75W)
AMD Ryzen 9 9955HX3D Advantages
Released 2 years late
Higher specification of memory (5600 vs 5200)
Higher base frequency (2.5GHz vs 2.1GHz)
Larger L3 cache size (128MB vs 12MB)
More modern manufacturing process (4nm vs 10nm)