Apple M1's Advantages
Lower TDP (14W vs 35W)
AMD Ryzen 5 8645HS's Advantages
Released 3 years and 1 months late
Better graphics card performance
Higher specification of memory (LPDDR5x-7500 vs LPDDR4X-4266)
Larger memory bandwidth (89.6GB/s vs 68.25GB/s)
Higher base frequency (4.3GHz vs 2.1GHz)