Intel Core i3 1315U 's Advantages
Better graphics card performance
Higher specification of memory (LPDDR5x-6400 vs LPDDR5-6400)
Intel Core 5 120U 's Advantages
Released 1 years late
Larger memory bandwidth (83.2GB/s vs 76.8GB/s)
Higher base frequency (1.4GHz vs 1.2GHz)
Larger L3 cache size (12MB vs 10MB)
Lower TDP (12W vs 15W)