AMD Ryzen 7 7840U 's Advantages
Released 2 years and 6 months late
Better graphics card performance
Higher specification of memory (7500 vs 4266)
Larger memory bandwidth (89.6GB/s vs 68.25GB/s)
Higher base frequency (3.3GHz vs 2.1GHz)
More modern manufacturing process (4nm vs 5nm)
Apple M1 's Advantages
Lower TDP (14W vs 30W)