Intel Core i9 11900KF 's Advantages
Released 7 years and 4 months late
Higher specification of memory (DDR4-3200 vs DDR3L-1333)
Larger memory bandwidth (50GB/s vs 21.3GB/s)
Newer PCIe version (4.0 vs 2.0)
Higher base frequency (3.5GHz vs 2.0GHz)
More modern manufacturing process (14nm vs 22nm)
Intel Celeron J1900 's Advantages
Integrated graphics card
Lower TDP (10W vs 125W)