The Tech Report published a review on the AMD sets a new course for Radeons with its Polaris architecture A quote from the article:

AMD will release new Radeons built on its next-gen Polaris architecture in mid-2016. We got an early look at this new architecture and AMD's plans for building these chips with FinFETs last month at the company's Radeon Technologies Group tech summit.

 AMD sets a new course for Radeons with its Polaris architecture @ The Tech Report