Intel Core i7 6500U 's Advantages
Lower TDP (15W vs 28W)
AMD Ryzen 5 8640HS 's Advantages
Released 8 years and 3 months late
Higher specification of memory (7500 vs 2133)
Larger memory bandwidth (89.6GB/s vs 34.1GB/s)
Newer PCIe version (4.0 vs 3.0)
Higher base frequency (3.5GHz vs 2.5GHz)
Larger L3 cache size (16MB vs 4MB)
More modern manufacturing process (4nm vs 14nm)