Intel Core i7 10870H 's Advantages
Higher base frequency (2.2GHz vs 1.2GHz)
Larger L3 cache size (16MB vs 10MB)
Intel Core i3 1315U 's Advantages
Released 2 years and 4 months late
Better graphics card performance
Higher specification of memory (6400 vs 2933)
Larger memory bandwidth (76.8GB/s vs 45.8GB/s)
Newer PCIe version (4.0 vs 3.0)
More modern manufacturing process (10nm vs 14nm)
Lower TDP (15W vs 45W)