Intel Core Ultra 7 255HX 's Advantages
Better graphics card performance
Higher specification of memory (6400 vs 5600)
More modern manufacturing process (3nm vs 4nm)
Lower TDP (55W vs 75W)
AMD Ryzen 9 9955HX3D 's Advantages
Higher base frequency (2.5GHz vs 2.4GHz)
Larger L3 cache size (128MB vs 30MB)