AMD Ryzen 9 7900X 's Advantages
Released 8 years and 10 months late
Higher specification of memory (5200 vs 1333)
Larger memory bandwidth (83.2GB/s vs 21.3GB/s)
Newer PCIe version (5.0 vs 2.0)
Higher base frequency (4.7GHz vs 2.0GHz)
More modern manufacturing process (5nm vs 22nm)
Intel Celeron J1900 's Advantages
Lower TDP (10W vs 170W)