Intel Core i3 6100 's Advantages
Lower TDP (51W vs 58W)
Intel Pentium Gold G6400 's Advantages
Released 4 years and 8 months late
Higher specification of memory (DDR4-2666 vs DDR4-2133)
Larger memory bandwidth (41.6GB/s vs 34.1GB/s)
Higher base frequency (4.0GHz vs 3.7GHz)
Larger L3 cache size (4MB vs 3MB)