AMD Ryzen 7 7840U's Advantages
Released 6 years and 9 months late
Better graphics card performance
Higher specification of memory (LPDDR5x-7500 vs DDR4-2133)
Newer PCIe version (4.0 vs 3.0)
Higher base frequency (3.3GHz vs 2.5GHz)
Larger L3 cache size (16MB vs 3MB)
Lower TDP (15W vs 15W)