Intel Core i7 8700 's Advantages
Better graphics card performance
Higher specification of memory (DDR4-2666 vs DDR4-2400)
Larger memory bandwidth (41.6GB/s vs 37.5GB/s)
Higher base frequency (3.2GHz vs 3.1GHz)
Larger L3 cache size (12MB vs 2MB)
Intel Celeron G4900 's Advantages
Released 6 months late
Lower TDP (54W vs 65W)