Intel Celeron N4020 's Advantages
Released 3 years late
Higher specification of memory (DDR4-2400 vs DDR4-2133)
Larger memory bandwidth (38.4GB/s vs 34.1GB/s)
Lower TDP (6W vs 15W)
Intel Core i3 6006U 's Advantages
Newer PCIe version (3.0 vs 2.0)
Higher base frequency (2.0GHz vs 1.1GHz)