Intel Core i7 1250U 's Advantages
Better graphics card performance
Lower TDP (9W vs 35W)
Intel Core i5 12500H 's Advantages
Higher specification of memory (LPDDR5-5200 vs LPDDR5-5200)
Higher base frequency (2.5GHz vs 1.1GHz)
Larger L3 cache size (18MB vs 12MB)