Intel Core i5 8257U 's Advantages
Released 2 years and 11 months late
Better graphics card performance
Newer PCIe version (3.0 vs 2.0)
Higher base frequency (1.4GHz vs 1.1GHz)
Intel Pentium N4200 's Advantages
Higher specification of memory (LPDDR4-2400 vs DDR4-2400)
Larger memory bandwidth (38.4GB/s vs 37.5GB/s)
Lower TDP (6W vs 15W)