Intel Celeron J1900 's Advantages
Lower TDP (10W vs 91W)
Intel Core i7 7700K 's Advantages
Released 3 years and 2 months late
Better graphics card performance
Higher specification of memory (2400 vs 1333)
Larger memory bandwidth (35.76GB/s vs 21.3GB/s)
Newer PCIe version (3.0 vs 2.0)
Higher base frequency (4.2GHz vs 2.0GHz)
More modern manufacturing process (14nm vs 22nm)