Intel Core i9 13900HK 's Advantages
Lower TDP (45W vs 55W)
Intel Core Ultra 9 285HX '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)
Higher base frequency (2.8GHz vs 2.6GHz)
More modern manufacturing process (3nm vs 10nm)