Intel Core i5 9600T 's Advantages
Released 5 years and 5 months late
Better graphics card performance
Higher specification of memory (DDR4-2666 vs DDR3L-1333)
Larger memory bandwidth (41.6GB/s vs 21.3GB/s)
Newer PCIe version (3.0 vs 2.0)
Higher base frequency (2.3GHz vs 2.0GHz)
More modern manufacturing process (14nm vs 22nm)
Intel Celeron J1900 's Advantages
Lower TDP (10W vs 35W)