Intel Celeron N4000 's Advantages
Lower TDP (6W vs 35W)
AMD Ryzen 7 7840HS 's Advantages
Released 5 years and 1 months late
Better graphics card performance
Higher specification of memory (LPDDR5x-7500 vs DDR4-2400)
Larger memory bandwidth (89.6GB/s vs 35.76GB/s)
Newer PCIe version (4.0 vs 2.0)
Higher base frequency (3.8GHz vs 1.1GHz)