Intel Core i3 1215U 's Advantages
Released 4 years and 2 months late
Better graphics card performance
Higher specification of memory (5200 vs 2400)
Larger memory bandwidth (76.8GB/s vs 35.76GB/s)
Newer PCIe version (4.0 vs 2.0)
More modern manufacturing process (10nm vs 14nm)
Intel Celeron J4005 's Advantages
Higher base frequency (2.0GHz vs 1.2GHz)
Lower TDP (10W vs 15W)