Intel Core i5 10310U 's Advantages
Higher base frequency (2.2GHz vs 1.2GHz)
Lower TDP (10W vs 15W)
Intel Core i3 1315U 's Advantages
Released 2 years and 8 months late
Better graphics card performance
Higher specification of memory (LPDDR5x-6400 vs LPDDR4-2933)
Larger memory bandwidth (76.8GB/s vs 45.8GB/s)
Newer PCIe version (4.0 vs 3.0)
Larger L3 cache size (10MB vs 6MB)
More modern manufacturing process (10nm vs 14nm)