Intel Core i5 1240U 's Advantages
Lower TDP (9W vs 37W)
Intel Core Ultra 7 258V 's Advantages
Released 2 years and 7 months late
Better graphics card performance
Higher specification of memory (8533 vs 5200)
Larger memory bandwidth (136GB/s vs 76.8GB/s)
Newer PCIe version (5.0 vs 4.0)
Higher base frequency (2.2GHz vs 1.1GHz)
More modern manufacturing process (3nm vs 10nm)