Intel Core i5 8250U 's Advantages
Lower TDP (15W vs 30W)
AMD Ryzen 5 PRO 8640HS 's Advantages
Released 6 years and 8 months late
Higher specification of memory (7500 vs 2400)
Larger memory bandwidth (89.6GB/s vs 37.5GB/s)
Newer PCIe version (4 vs 3.0)
Higher base frequency (3.5GHz vs 1.6GHz)
Larger L3 cache size (16MB vs 6MB)
More modern manufacturing process (4nm vs 14nm)