Intel Core i7 1280P 's Advantages
Higher base frequency (1.8GHz vs 1.4GHz)
Lower TDP (28W vs 65W)
Intel Core Ultra 7 155H 's Advantages
Released 1 years and 10 months late
Better graphics card performance
Higher specification of memory (7467 vs 5200)
Larger memory bandwidth (120GB/s vs 76.8GB/s)
Newer PCIe version (5.0 vs 4.0)
More modern manufacturing process (7nm vs 10nm)