Intel Core i5 1240U 's Advantages
Lower TDP (9W vs 30W)
AMD Ryzen 5 PRO 8640HS 's Advantages
Released 2 years and 2 months late
Higher specification of memory (7500 vs 5200)
Larger memory bandwidth (89.6GB/s vs 76.8GB/s)
Newer PCIe version (4 vs 4.0)
Higher base frequency (3.5GHz vs 1.1GHz)
Larger L3 cache size (16MB vs 12MB)
More modern manufacturing process (4nm vs 10nm)