Intel Core 7 150U 's Advantages
Higher base frequency (1.8GHz vs 1.7GHz)
Lower TDP (12W vs 12W)
Intel Core Ultra 7 155U 's Advantages
Better graphics card performance
Higher specification of memory (LPDDR5-7467 vs LPDDR5-6400)
Larger memory bandwidth (120GB/s vs 83.2GB/s)
More modern manufacturing process (7nm vs 10nm)