Intel Core i5 1240U 's Advantages
Released 9 months late
Better graphics card performance
Higher specification of memory (5200 vs 3200)
Larger memory bandwidth (76.8GB/s vs 51.2GB/s)
Lower TDP (9W vs 45W)
Intel Core i5 11400H 's Advantages
Higher base frequency (2.7GHz vs 1.1GHz)