Intel Core i3 1315U 's Advantages
Lower TDP (15W vs 45W)
Intel Core i7 13800H 's Advantages
Better graphics card performance
Higher specification of memory (6400 vs 5200)
Larger memory bandwidth (89.6GB/s vs 76.8GB/s)
Newer PCIe version (5.0 vs 4.0)
Higher base frequency (2.5GHz vs 1.2GHz)
Larger L3 cache size (24MB vs 10MB)