Intel Core Ultra 7 155U 's Advantages
Higher specification of memory (7467 vs 6400)
Larger memory bandwidth (120GB/s vs 102.4GB/s)
Lower TDP (15W vs 55W)
Intel Core Ultra 9 285HX 's Advantages
Released 1 years and 1 months late
Newer PCIe version (5.0 vs 4.0)
Higher base frequency (2.8GHz vs 1.7GHz)
Larger L3 cache size (36MB vs 12MB)
More modern manufacturing process (3nm vs 7nm)