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The Radeon R9 285 was announced on August 23, 2014 at AMD's 30 years of graphics celebration and released September 2, 2014. It was the first card to feature AMD's GCN 3 microarchitecture, in the form of a Tonga-series GPU.
The R200 is the second generation of GPUs used in Radeon graphics cards and developed by ATI Technologies.This GPU features 3D acceleration based upon Microsoft Direct3D 8.1 and OpenGL 1.3, a major improvement in features and performance compared to the preceding Radeon R100 design.
In Direct3D 11, the concept of feature levels has been further expanded to run on most downlevel hardware including Direct3D 9 cards with WDDM drivers.. There are seven feature levels provided by D3D_FEATURE_LEVEL structure; levels 9_1, 9_2 and 9_3 (collectively known as Direct3D 10 Level 9) re-encapsulate various features of popular Direct3D 9 cards conforming to Shader Model 2.0, while ...
12 (FL11_1) 1.2 2.0 possible 2012 Radeon HD 7950/7970 Sea Islands: GCN 2 nd gen: 1.2 11 (FL 12_0) 12 (FL 12_0) 2.0 (1.2 in MacOS, Linux) 2.1 Beta in Linux ROCm 2.2 possible 2013 Radeon HD 7790 Volcanic Islands: GCN 3 rd gen: 2014 Radeon R9 285 Arctic Islands: GCN 4 th gen: 28 nm 14 nm 1.2 1.3 (GCN 4) Supported 2016 Radeon RX 480 Polaris: 2017 ...
The R9 380/X along with the R9 Fury & Nano series were AMD's first cards (after the earlier R9 285) to use the third iteration of their GCN instruction set and micro-architecture. The other cards in the series feature first and second gen iterations of GCN. The table below details which GCN-generation each chip belongs to. AMD Fiji with HBM
12 (FL11_1) 1.2 2.0 possible 2012 Radeon HD 7950/7970 Sea Islands: GCN 2 nd gen: 1.2 11 (FL 12_0) 12 (FL 12_0) 2.0 (1.2 in MacOS, Linux) 2.1 Beta in Linux ROCm 2.2 possible 2013 Radeon HD 7790 Volcanic Islands: GCN 3 rd gen: 2014 Radeon R9 285 Arctic Islands: GCN 4 th gen: 28 nm 14 nm 1.2 1.3 (GCN 4) Supported 2016 Radeon RX 480 Polaris: 2017 ...
Driver updates and support stopped at AMD Catalyst 14.4 for video cards with support up to DirectX 11 on Hardware, and 10.2 for DirectX 9.0c cards. [citation needed] Windows Vista: 7.2: 13.12: Driver updates and support stopped at AMD Catalyst 13.12 for video cards with support up to DirectX 11. [citation needed] Windows 7: 9.3: 18.9.3 22.6.1 [42]
Testing by Ars Technica in August 2015 revealed slight performance regressions in DirectX 12 over DirectX 11 mode for the Nvidia GeForce 980 Ti, whereas the AMD Radeon R9 290x achieved consistent performance improvements of up to 70% under DirectX 12, and in some scenarios the AMD outperformed the more powerful Nvidia under DirectX 12. The ...