Intel Core i5 8259U's Advantages
Integrated graphics card
AMD Ryzen 5 PRO 8640HS's Advantages
Released 6 years late
Higher specification of memory (DDR5-5600 vs DDR4-2400)
Newer PCIe version (4 vs 3.0)
Higher base frequency (3.5GHz vs 2.3GHz)
Larger L3 cache size (16MB vs 6MB)