Intel Core i7 9750H 's Advantages
Higher base frequency (2.6GHz vs 1.2GHz)
Intel Core Ultra 5 125H 's Advantages
Released 4 years and 8 months late
Better graphics card performance
Higher specification of memory (LPDDR5-7467 vs DDR4-2666)
Larger memory bandwidth (120GB/s vs 41.8GB/s)
Newer PCIe version (5.0 vs 3.0)
Larger L3 cache size (18MB vs 12MB)
More modern manufacturing process (7nm vs 14nm)
Lower TDP (20W vs 45W)