Intel Core i5 9400 's Advantages
Released 3 years late
Higher specification of memory (2666 vs 1600)
Larger memory bandwidth (41.6GB/s vs 25.6GB/s)
Newer PCIe version (3.0 vs 2.0)
Higher base frequency (2.9GHz vs 1.6GHz)
Intel Pentium J3710 's Advantages
Lower TDP (6.5W vs 65W)