Intel Core Ultra 7 255HX 's Advantages
Released 2 years and 11 months late
Higher specification of memory (6400 vs 5200)
Larger memory bandwidth (102.4GB/s vs 76.8GB/s)
Newer PCIe version (5 vs 4.0)
Higher base frequency (2.4GHz vs 1.2GHz)
Larger L3 cache size (24MB vs 10MB)
More modern manufacturing process (3nm vs 10nm)
Intel Core i3 1215U 's Advantages
Lower TDP (15W vs 55W)