ATI Radeon™

ATI Radeon™ HD 4830 - GPU Specifications 956 million transistors on 55nm fabrication process PCI Express 2.0 x16 bus interface 256-bit GDDR3 memory interface 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 Unified Superscalar Shader Architecture