Intel Core i7 8700K 's Advantages
Larger memory bandwidth (41.6GB/s vs 29.9GB/s)
Newer PCIe version (3.0 vs 2.0)
Higher base frequency (3.7GHz vs 1.5GHz)
Intel Celeron J3455E 's Advantages
Released 1 years and 9 months late
Higher specification of memory (LPDDR4-2400 vs DDR4-2666)
Lower TDP (10W vs 95W)