Intel Core i5 8257U 's Advantages
Integrated graphics card
Higher base frequency (1.4GHz vs 1.3GHz)
Intel Core 5 120UL 's Advantages
Released 4 years and 9 months late
Higher specification of memory (5200 vs 2400)
Larger memory bandwidth (83.2GB/s vs 37.5GB/s)
Newer PCIe version (4 vs 3.0)
Larger L3 cache size (12MB vs 6MB)
More modern manufacturing process (10nm vs 14nm)