Intel Core 5 120U 's Advantages
Released 5 years late
Better graphics card performance
Higher specification of memory (LPDDR5-6400 vs DDR4-2133)
Larger memory bandwidth (83.2GB/s vs 34.1GB/s)
Newer PCIe version (4.0 vs 3.0)
Larger L3 cache size (12MB vs 2MB)
More modern manufacturing process (10nm vs 14nm)
Lower TDP (12W vs 15W)
Intel Celeron 3867U 's Advantages
Higher base frequency (1.8GHz vs 1.4GHz)