Intel Core i7 1355U 's Advantages
Better graphics card performance
Higher specification of memory (6400 vs 5200)
Larger memory bandwidth (89.6GB/s vs 83.2GB/s)
Lower TDP (15W vs 55W)
AMD Ryzen 9 7945HX3D 's Advantages
Released 6 months late
Newer PCIe version (5 vs 4.0)
Higher base frequency (2.3GHz vs 1.7GHz)
Larger L3 cache size (128MB vs 12MB)
More modern manufacturing process (5nm vs 10nm)