Intel Core i3 9100 's Advantages
Released 5 years and 5 months late
Better graphics card performance
Higher specification of memory (2400 vs 1333)
Larger memory bandwidth (37.5GB/s vs 21.3GB/s)
Newer PCIe version (3.0 vs 2.0)
Higher base frequency (3.6GHz vs 2.0GHz)
More modern manufacturing process (14nm vs 22nm)
Intel Celeron J1900 's Advantages
Lower TDP (10W vs 65W)