Intel Celeron N4000 's Advantages
Better graphics card performance
Higher specification of memory (2400 vs 2133)
Larger memory bandwidth (35.76GB/s vs 34.1GB/s)
Lower TDP (6W vs 15W)
Intel Celeron 3867U 's Advantages
Released 1 years and 1 months late
Newer PCIe version (3.0 vs 2.0)
Higher base frequency (1.8GHz vs 1.1GHz)