ati radeon HD 2900xt 的硬件规格

ATI Radeon™ HD 2900 Series - GPU Specifications
ATI Radeon™ HD 2900 Technology – GPU Specifications
700 million transistors on 80nm HS fabrication process
512-bit 8-channel GDDR3/4 memory interface
Ring Bus Memory Controller
Fully distributed design with 1024-bit internal ring bus for memory reads and writes
Optimized for high performance HDR (High Dynamic Range) rendering at high display resolutions
Unified Superscalar Shader Architecture
320 stream processing units
Dynamic load balancing and resource allocation for vertex, geometry, and pixel shaders
Common instruction set and texture unit access supported for all types of shaders
Dedicated branch execution units and texture address processors
128-bit floating point precision for all operations
Command processor for reduced CPU overhead
Shader instruction and constant caches
Up to 80 texture fetches per clock cycle
Up to 128