AMD Ryzen 7 4800H 's Advantages
Integrated graphics card
Higher specification of memory (LPDDR4X-4266 vs DDR5-5600)
AMD Ryzen 5 PRO 8640HS 's Advantages
Released 4 years and 3 months late
Newer PCIe version (4 vs 3.0)
Higher base frequency (3.5GHz vs 2.9GHz)
Larger L3 cache size (16MB vs 8MB)
More modern manufacturing process (4nm vs 7nm)
Lower TDP (28W vs 35W)