AMD Ryzen 7 7840H 's Advantages
Released 1 years late
Better graphics card performance
Larger memory bandwidth (89.6GB/s vs 76.8GB/s)
Higher base frequency (3.8GHz vs 2.7GHz)
More modern manufacturing process (4nm vs 6nm)
AMD Ryzen 7 6800U 's Advantages
Higher specification of memory (LPDDR5-6400 vs DDR5-5600)
Newer PCIe version (4.0 vs 4)
Lower TDP (15W vs 35W)