AMD Ryzen 9 6980HX 's Advantages
Integrated graphics card
Higher specification of memory (LPDDR5-6400 vs DDR5-5600)
AMD Ryzen 5 PRO 8640HS 's Advantages
Released 2 years and 3 months late
Newer PCIe version (4 vs 4.0)
Higher base frequency (3.5GHz vs 3.3GHz)
More modern manufacturing process (4nm vs 6nm)
Lower TDP (28W vs 45W)