Intel Celeron N4020 's Advantages
Lower TDP (6W vs 30W)
AMD Ryzen 7 8840HS 's Advantages
Released 4 years and 1 months late
Better graphics card performance
Higher specification of memory (7500 vs 2400)
Larger memory bandwidth (89.6GB/s vs 38.4GB/s)
Newer PCIe version (4.0 vs 2.0)
Higher base frequency (3.3GHz vs 1.1GHz)
More modern manufacturing process (4nm vs 14nm)