Intel Core 7 150U 's Advantages
Lower TDP (15W vs 28W)
Intel Core Ultra 7 255H 's Advantages
Released 1 years late
Higher specification of memory (8400 vs 6400)
Newer PCIe version (5.0 vs 4.0)
Higher base frequency (2.0GHz vs 1.8GHz)
Larger L3 cache size (24MB vs 12MB)
More modern manufacturing process (3nm vs 10nm)