Intel Core i3 1125G4 's Advantages
Higher base frequency (2.0GHz vs 1.7GHz)
Lower TDP (12W vs 12W)
Intel Core Ultra 7 155U 's Advantages
Released 3 years and 3 months late
Better graphics card performance
Higher specification of memory (LPDDR5-7467 vs LPDDR4x-3733)
Larger memory bandwidth (120GB/s vs 51.2GB/s)
Larger L3 cache size (12MB vs 8MB)
More modern manufacturing process (7nm vs 10nm)