Intel Core i7 7800X 's Advantages
Larger memory bandwidth (79.47GB/s vs 42.7GB/s)
Higher base frequency (3.5GHz vs 3.4GHz)
Larger L3 cache size (8MB vs 2MB)
Intel Celeron G5900 's Advantages
Released 3 years late
Integrated graphics card
Higher specification of memory (2666 vs 2400)
Lower TDP (58W vs 140W)