Intel Core i9 12900F 's Advantages
Released 8 years and 2 months late
Higher specification of memory (DDR5-4800 vs DDR3L-1333)
Larger memory bandwidth (76.8GB/s vs 21.3GB/s)
Newer PCIe version (5 vs 2.0)
Higher base frequency (2.4GHz vs 2.0GHz)
More modern manufacturing process (10nm vs 22nm)
Intel Celeron J1900 's Advantages
Integrated graphics card
Lower TDP (10W vs 65W)