Intel Core 5 220U 's Advantages
Higher specification of memory (5200 vs 2666)
Larger memory bandwidth (83.2GB/s vs 41.8GB/s)
Newer PCIe version (4 vs 3.0)
Larger L3 cache size (12MB vs 8MB)
More modern manufacturing process (10nm vs 14nm)
Lower TDP (15W vs 45W)
Intel Core i5 8400H 's Advantages
Released 117 years and 3 months late
Integrated graphics card
Higher base frequency (2.5GHz vs 1.5GHz)