Intel Core i5 9400H 's Advantages
Higher base frequency (2.5GHz vs 2.2GHz)
Intel Core Ultra 7 258V 's Advantages
Released 5 years and 5 months late
Better graphics card performance
Higher specification of memory (8533 vs 2666)
Larger memory bandwidth (136GB/s vs 41.8GB/s)
Newer PCIe version (5.0 vs 3.0)
Larger L3 cache size (12MB vs 8MB)
More modern manufacturing process (3nm vs 14nm)
Lower TDP (37W vs 45W)