Intel Core i3 1315U 's Advantages
Lower TDP (15W vs 65W)
Intel Core Ultra 5 125H 's Advantages
Released 11 months late
Better graphics card performance
Higher specification of memory (7467 vs 6400)
Larger memory bandwidth (120GB/s vs 76.8GB/s)
Newer PCIe version (5.0 vs 4.0)
Larger L3 cache size (18MB vs 10MB)
More modern manufacturing process (7nm vs 10nm)