Intel Celeron J4005 's Advantages
Integrated graphics card
Lower TDP (10W vs 140W)
Intel Core i9 7920X 's Advantages
Higher specification of memory (2666 vs 2400)
Larger memory bandwidth (85GB/s vs 35.76GB/s)
Newer PCIe version (3.0 vs 2.0)
Higher base frequency (2.9GHz vs 2.0GHz)