AMD Ryzen 7 7840U's Advantages
Released 4 years and 4 months late
Better graphics card performance
Higher specification of memory (LPDDR5x-7500 vs DDR4-2133)
Newer PCIe version (4.0 vs 2.0)
Higher base frequency (3.3GHz vs 1.8GHz)
Larger L3 cache size (16MB vs 2MB)
Lower TDP (15W vs 15W)