AMD Ryzen 7 7840HS's Advantages
Released 2 years late
Better graphics card performance
Higher specification of memory (LPDDR5x-7500 vs DDR4-2933)
Larger memory bandwidth (89.6GB/s vs 45.8GB/s)
Newer PCIe version (4.0 vs 3.0)
Higher base frequency (3.8GHz vs 1.1GHz)
Larger L3 cache size (16MB vs 4MB)
Intel Celeron N4500's Advantages
Lower TDP (6W vs 35W)