AMD Ryzen 7 5800H 's Advantages
Integrated graphics card
AMD Ryzen 5 PRO 8640U 's Advantages
Released 3 years and 3 months late
Higher specification of memory (5600 vs 4266)
Newer PCIe version (4 vs 3.0)
Higher base frequency (3.5GHz vs 3.2GHz)
More modern manufacturing process (4nm vs 7nm)
Lower TDP (28W vs 54W)