Full disclosure: I currently own and thoroughly enjoy using an i7-6700.
The biggest thing for me that affects all of their performance material here and raises my skepticism to even healthier levels, is the
Notices and Disclaimers slide:
■"Software and workloads used in performance tests may have been optimised for performance only on Intel microprocessors," and
■"Optimisation notice: Intel's compilers may or may not optimise to the same degree for non-Intel microprocessors for optimisations that are not unique to Intel microprocessors."
Yes, Intel's compiler optimisations are old topic of discussion, and now it feels like pointing to a flogged dead horse and saying that we should flog it some more, but it's still an important point to consider.