I was leery of the power-consumption numbers of Ryzen all the way from AMD's demo to clueless reviewers using P95 stress-test numbers to report power consumption when Ryzen wasn't running that code optimally. Finally, here's a more realistic result of the actual power Ryzen consumes under full load. The 65w chip is at 113, 95w at 161, while Intel's 140watter is at 132. No free lunch here, folks!
http://hexus.net/tech/reviews/cpu/103270-amd-ryzen-7-1700-14nm-zen/?page=7
You know that Hexus like most reviewers take their power readings of the
whole system at the wall?
And that none of the system have a 0W idle?
So what you really want is the power deltas between idle and load.
Something like this :
Although that still doesn't tell the full story as what the chip draws is only after the PSU's and the VRM's inefficiencies. Now we don't know the VRMs but the PSU they used is a
be quiet Dark Power Pro 11 (1,000W). Which is a Platinum rated supply and we can do better than that since TPU reviewed it:
https://www.techpowerup.com/reviews/beQuiet/DarkPowerPro11_1000W/6.html
Right, not going to account for that whole curve as what the FX9590 used at load (295W) is a lot different than what the i3-7350K did (68W), but if we said they are all on average 90%, then we get something like this:
Okay, for Handbrake the i7-6950K doesn't use 140W, but the 1700 and 1700X are well within their 65W and 95W TPU. The 1800X exceeds it a bit.
Mind you, still no idea how much heat the VRMs waste - rather suspect it's more than 7.6W though.