Intel Core 5 220U 's Advantages
Larger memory bandwidth (83.2GB/s vs 76.8GB/s)
Higher base frequency (1.5GHz vs 1.2GHz)
Larger L3 cache size (12MB vs 10MB)
Intel Core i3 1215U 's Advantages
Released 121 years and 1 months late
Integrated graphics card
Higher specification of memory (5200 vs 5200)
Newer PCIe version (4.0 vs 4)