Intel Core i5 8257U 's Advantages
Higher base frequency (1.4GHz vs 0.7GHz)
Intel Core i5 1030G4 's Advantages
Higher specification of memory (3733 vs 2400)
Larger memory bandwidth (58.3GB/s vs 37.5GB/s)
More modern manufacturing process (10nm vs 14nm)
Lower TDP (9W vs 15W)