AMD Ryzen 7 7840U 's Advantages
Better graphics card performance
Higher specification of memory (LPDDR5x-7500 vs LPDDR5-5500)
Newer PCIe version (4.0 vs 3.0)
Higher base frequency (3.3GHz vs 2.4GHz)
Larger L3 cache size (16MB vs 4MB)
More modern manufacturing process (4nm vs 6nm)
Lower TDP (15W vs 15W)