Intel Core i3 7100 's Advantages
Higher specification of memory (DDR4-400 vs DDR4-2400)
Higher base frequency (3.9GHz vs 3.8GHz)
Lower TDP (51W vs 54W)
Intel Pentium Gold G5420 's Advantages
Released 2 years and 3 months late
Larger memory bandwidth (37.5GB/s vs 35.76GB/s)
Larger L3 cache size (4MB vs 3MB)