Intel Celeron J1900 's Advantages
Integrated graphics card
Lower TDP (10W vs 250W)
AMD Ryzen Threadripper 2990WX 's Advantages
Released 4 years and 9 months late
Higher specification of memory (DDR4-2933 vs DDR3L-1333)
Larger memory bandwidth (87.42GB/s vs 21.3GB/s)
Newer PCIe version (3.0 vs 2.0)
Higher base frequency (3.0GHz vs 2.0GHz)