Intel Core i3 7020U 's Advantages
Higher base frequency (2.3GHz vs 1.5GHz)
Lower TDP (15W vs 28W)
Intel Core i3 1220P 's Advantages
Released 3 years and 10 months late
Better graphics card performance
Higher specification of memory (5200 vs 2133)
Larger memory bandwidth (76.8GB/s vs 34.1GB/s)
Newer PCIe version (4.0 vs 3.0)
Larger L3 cache size (12MB vs 3MB)
More modern manufacturing process (10nm vs 14nm)