Intel Celeron N4120's Advantages
Integrated graphics card
Lower TDP (6W vs 28W)
AMD Ryzen 7 PRO 8840HS's Advantages
Released 4 years and 5 months late
Higher specification of memory (DDR5-5600 vs DDR4-2400)
Newer PCIe version (4 vs 2.0)
Higher base frequency (3.3GHz vs 1.1GHz)