Intel Core i5 1240U 's Advantages
Integrated graphics card
Lower TDP (9W vs 15W)
Intel Core 5 120UL 's Advantages
Released 2 years and 2 months late
Higher specification of memory (5200 vs 5200)
Larger memory bandwidth (83.2GB/s vs 76.8GB/s)
Newer PCIe version (4 vs 4.0)
Higher base frequency (1.3GHz vs 1.1GHz)