Specifications
Model Radeon HD 5970
Radeon HD 6990 Manufacturer ATi
ATi Year November 2009
March 2011 Code Name Hemlock XT
Antilles Fab Process 40 nm
40 nm Bus PCIe x16
PCIe 2.1 x16 Memory 1024 MB (x2)
2048 MB (x2) Core Speed 725 MHz (x2)
830 MHz (x2) Shader Speed N/A MHz (x2)
(N/A) MHz (x2) Memory Speed 1000 MHz (x2)
1250 MHz (x2) Unified Shaders 1600 (x2)
1536 (x2) Texture Mapping Units 160 (x2)
96 (x2) Render Output Units 64 (x2)
32 (x2) Bus Type GDDR5
GDDR5 Bus Width 256-bit (x2)
256-bit (x2) DirectX Version DirectX 11
DirectX 11 OpenGL Version OpenGL 4.1
OpenGL 4.1 Power (Max TDP) 294 watts
375 watts Shader Model 5.0
5.0 Bandwidth 256000 MB/sec
320000 MB/sec Texel Rate 232000 Mtexels/sec
159360 Mtexels/sec Pixel Rate 92800 Mpixels/sec
53120 Mpixels/sec