Intel Core i5 6200U 's Advantages
Higher base frequency (2.3GHz vs 1.4GHz)
Intel Core i5 8257U 's Advantages
Released 3 years and 10 months late
Higher specification of memory (DDR4-2400 vs DDR4-2133)
Larger memory bandwidth (37.5GB/s vs 34.1GB/s)
Larger L3 cache size (6MB vs 3MB)