Techradar's reporting...has had some issues. Initially the graphs on their threadripper review were misleading (link to imgur album [0]) and later changed. Anandtech[1] (prior discussion[2]) and Gamers Nexus[3] are much more reputable and go further in depth.

[0] https://imgur.com/a/SuzY9

[1] http://www.anandtech.com/show/11697/the-amd-ryzen-threadripp...

[2] https://news.ycombinator.com/item?id=14979151

[3] http://www.gamersnexus.net/hwreviews/3015-amd-threadripper-1...

Edit: clarification