Intel Core i9 10980HK 's Advantages
Lower TDP (45W vs 55W)
Intel Core Ultra 7 255HX 's Advantages
Released 4 years and 9 months late
Higher specification of memory (6400 vs 2933)
Larger memory bandwidth (102.4GB/s vs 45.8GB/s)
Newer PCIe version (5 vs 3.0)
Larger L3 cache size (24MB vs 16MB)
More modern manufacturing process (3nm vs 14nm)