Apple M2 's Advantages
Larger memory bandwidth (102.4GB/s vs 89.6GB/s)
Lower TDP (15W vs 54W)
AMD Ryzen 5 PRO 8645HS 's Advantages
Released 1 years and 10 months late
Higher specification of memory (7500 vs 6400)
Newer PCIe version (4 vs 4.0)
Higher base frequency (4.3GHz vs 3.5GHz)
More modern manufacturing process (4nm vs 5nm)