Intel Core i5 7500 's Advantages
Larger memory bandwidth (35.76GB/s vs 29.9GB/s)
Newer PCIe version (3.0 vs 2.0)
Higher base frequency (3.4GHz vs 1.5GHz)
Intel Celeron J3455E 's Advantages
Released 2 years and 6 months late
Higher specification of memory (LPDDR4-2400 vs DDR4-2400)
Lower TDP (10W vs 65W)