Intel Core i5 9400F 's Advantages
Released 9 months late
Higher specification of memory (DDR4-2666 vs DDR4-2400)
Larger memory bandwidth (41.6GB/s vs 37.5GB/s)
Larger L3 cache size (9MB vs 2MB)
Intel Celeron G4900 's Advantages
Integrated graphics card
Higher base frequency (3.1GHz vs 2.9GHz)
Lower TDP (54W vs 65W)