yes, in fact, that was the whole reason they created the x300 enthusiast ITX platform. However, it's up to the manufacturers to decide if they want to build for it and from what we learned only 3 manufacturers have signed on to make Ryzen ITX boards. I was told that the ITX boards won't be available until after Ryzen has launched (perhaps a month after).
The other motherboard manufactures that I talked to said that they are waiting to see Ryzen sales before committing, because designing for mITX is far more expensive and time consuming that churning out ATX boards. At the end of the day, this decision made sense as they unanimously said that ITX sales are always paltry, even for Intel boards.
While this is historically accurate for every chip going back nearly 15 years, it wasn't always been this way. Intel's P4 Prescotts ran much hotter than anything from AMD back in the day. This is partially why AMD re-hired their old CPU engineer Jim Keller to design Ryzen.
There is a possibility that Ryzen could be a major step in the right direction for AMD. Either way, it's all speculation at this point.
Actually, AMD has an intense fondness for ITX GPUs that even Nvidia doesn't have.
Nvidia themselves have never personally made a product to compete with the volume of the impressively speced R9-Nano.
It's been left entirely up to board partners to pursue a smaller footprint.
Still pretty heavy on speculation here.
When you consider that AMD's 8c/16t CPU is rated at 95w vs Intels 8c/16t CPU at 140w, I would say that AMD is on the right track when it comes to efficiency.
Thankfully, there are plenty of
400-500 watt options available and we're starting to see
more available each month.
This assumes that they will run hot. We're still waiting for previews, reviews, and benchmarks for confirmation.
We've seen than AMD plans to use
liquid metal for their thermal interface material and
their stock cooler is far more capable than Intel's stock cooler.