Intel Core i3 8145U 's Advantages
Integrated graphics card
Higher base frequency (2.1GHz vs 1.3GHz)
Intel Core 5 120UL 's Advantages
Released 5 years and 8 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 4MB)
More modern manufacturing process (10nm vs 14nm)