Intel Celeron N4120 's Advantages
Lower TDP (6W vs 35W)
AMD Ryzen 5 7640HS 's Advantages
Released 3 years and 2 months late
Better graphics card performance
Higher specification of memory (LPDDR5x-7500 vs DDR4-2400)
Larger memory bandwidth (89.6GB/s vs 38.4GB/s)
Newer PCIe version (4.0 vs 2.0)
Higher base frequency (4.3GHz vs 1.1GHz)