Radeon 300 series
The Radeon 300 series is a series of graphics processors developed by AMD. These GPUs are based on the Graphics Core Next (GCN) microarchitecture, and are produced with TSMC's 28 nm process. The series introduces two new GPUs, "Tonga" and "Fiji", based on GCN 3 microarchitecture; various older GPUs are also rebranded under the series.