Intel Core i7 1280P's Advantages
Higher base frequency (1.8GHz vs 1.2GHz)
Larger L3 cache size (24MB vs 18MB)
Lower TDP (20W vs 20W)
Intel Core Ultra 5 125H's Advantages
Released 1 years and 10 months late
Better graphics card performance
Higher specification of memory (LPDDR5-7467 vs LPDDR5-5200)
Larger memory bandwidth (120GB/s vs 76.8GB/s)
Newer PCIe version (5.0 vs 4.0)
More modern manufacturing process (7nm vs 10nm)