Intel Core i3 4170 's Advantages
Newer PCIe version (3.0 vs 2.0)
Higher base frequency (3.7GHz vs 2.0GHz)
Intel Celeron J4005 's Advantages
Released 2 years and 9 months late
Higher specification of memory (DDR4-2400 vs DDR3-1600)
Larger memory bandwidth (35.76GB/s vs 25.6GB/s)
More modern manufacturing process (14nm vs 22nm)
Lower TDP (10W vs 54W)