It’s a 14nm technology.
AMD has shown a video and information from your Polaris architecture for GPUs scheduled for mid 2016. Among the novelties of this technology is better performance and support for HDR monitors completo- -range.
These GPU Polaris with 14 nm FinFET process are designed for multimedia applications, games pointers and virtual reality, which demands extra power.
Other features are the fourth generation of the architecture Graphics Core Next (GCN) AMD, a motor-art display with support for HDMI 2.0a and DisplayPort 1.3, multimedia art features including encoding and decoding format 4K h. 265.