Intel Core i9 13900H 's Advantages
Higher base frequency (2.6GHz vs 2.4GHz)
Lower TDP (45W vs 55W)
Intel Core Ultra 7 255HX 's Advantages
Released 2 years late
Higher specification of memory (6400 vs 6400)
Larger memory bandwidth (102.4GB/s vs 89.6GB/s)
Newer PCIe version (5 vs 5.0)
More modern manufacturing process (3nm vs 10nm)