AMD Ryzen 7 6800U 's Advantages
Integrated graphics card
Higher specification of memory (6400 vs 5600)
AMD Ryzen 7 PRO 8840U 's Advantages
Released 2 years and 3 months late
Newer PCIe version (4 vs 4.0)
Higher base frequency (3.3GHz vs 2.7GHz)
More modern manufacturing process (4nm vs 6nm)