Intel Core i7 6950X 's Advantages
Higher base frequency (3.0GHz vs 2.6GHz)
Lower TDP (140W vs 165W)
Intel Core i9 7980XE 's Advantages
Released 1 years and 4 months late
Higher specification of memory (2666 vs 2133)
Larger memory bandwidth (79.47GB/s vs 76.8GB/s)