Intel Core i5 8257U 's Advantages
Higher base frequency (1.4GHz vs 1.2GHz)
Larger L3 cache size (6MB vs 4MB)
Intel Core i3 1005G1 's Advantages
Higher specification of memory (3733 vs 2400)
Larger memory bandwidth (51.2GB/s vs 37.5GB/s)
More modern manufacturing process (10nm vs 14nm)