Intel Core i3 7020U 's Advantages
Better graphics card performance
Newer PCIe version (3.0 vs 2.0)
Higher base frequency (2.3GHz vs 1.8GHz)
Larger L3 cache size (3MB vs 2MB)
Intel Celeron 4205U 's Advantages
Released 9 months late
Higher specification of memory (2133 vs 2133)
Larger memory bandwidth (37.5GB/s vs 34.1GB/s)