Intel Core i3 7100U 's Advantages
Better graphics card performance
Newer PCIe version (3.0 vs 2.0)
Higher base frequency (2.4GHz vs 1.1GHz)
Intel Celeron N4120 's Advantages
Released 3 years and 3 months late
Higher specification of memory (2400 vs 2133)
Larger memory bandwidth (38.4GB/s vs 34.1GB/s)
Lower TDP (6W vs 15W)