-1.912 billion processors (956 million transistors per GPU on 55nm fabrication process)
-PCI Express® 2.0 x16 bus interface
-512-bit GDDR3 memory interface (ATI Radeon™ HD 4850 X2)
-512-bit GDDR5 memory interface (ATI Radeon™ HD 4870 X2)
-Microsoft® DirectX® 10.1 support
-Shader Model 4.1
-32-bit floating point texture filtering
Indexed cube map arrays
-Independent blend modes per render target
Pixel coverage sample masking
-Read/write multi-sample surfaces with shaders
-Gather4 texture fetching F
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