Intel Core i3 6100 's Advantages
Higher base frequency (3.7GHz vs 3.3GHz)
Lower TDP (51W vs 65W)
Intel Core i7 6785R 's Advantages
Released 8 months late
Higher specification of memory (2133 vs 2133)
Newer PCIe version (3 vs 3.0)
Larger L3 cache size (8MB vs 3MB)