Intel Core i5 8250U 's Advantages
Lower TDP (15W vs 45W)
Intel Core i5 11400H 's Advantages
Released 3 years and 9 months late
Better graphics card performance
Higher specification of memory (3200 vs 2400)
Larger memory bandwidth (51.2GB/s vs 37.5GB/s)
Newer PCIe version (4.0 vs 3.0)
Higher base frequency (2.7GHz vs 1.6GHz)
Larger L3 cache size (12MB vs 6MB)
More modern manufacturing process (10nm vs 14nm)