PowerColor HD3450 GDDR2

HD3450, 256 MB, DDR2, 600 MHz, 333 MHz x 2, 64 bit, PCIe 2.0, 2560 x 1600 181 million transistors on 55nm fabrication process
PCI Express 2.0 x16 bus interface
64-bit DDR2/GDDR3 memory interface
Ring Bus Memory Controller
-Fully distributed design with 256-bit internal ring bus for memory reads and writes
MicrosoftR DirectXR 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
-40 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 16 texture fetches per clock cycle
-Up to 128 textures per pixel
-Fully associative multi-level texture cache design
-DXTC and 3Dc+ texture compression
-High resolution texture support (up to 8192 x 8192)
-Fully associative texture & Z/stencil cache designs
-Early Z test, Re-Z, Z Range optimization, and Fast Z Clear
-Lossless Z & stencil compression
-8 render targets (MRTs) with anti-aliasing support
-Physics processing support
Dynamic Geometry Acceleration
-Programmable tessellation unit
-Accelerated geometry shader path for geometry amplification
-Memory read/write cache for improved stream output performance
Anti-aliasing features
-Multi-sample anti-aliasing (2 or 4 samples per pixel)
-Custom Filter Anti-Aliasing (CFAA) for improved quality
-Adaptive super-sampling and multi-sampling
-Temporal anti-aliasing
-Gamma correct
-Super AA (ATI CrossFire? configurations only)
-All anti-aliasing features compatible with HDR rendering
Texture filtering features
-2x/4x/8x/16x high quality adaptive anisotropic filtering modes (up to 128 taps per pixel)
-128-bit floating point HDR texture filtering
-Bicubic filtering
-sRGB filtering (gamma/degamma)
-Percentage Closer Filtering (PCF)
-Depth & stencil texture (DST) format support
-Shared exponent HDR (RGBE 9:9:9:5) texture format support
OpenGL 2.0 support
ATI Avivo? HD Video and Display Platform
-Dedicated unified video decoder (UVD) for H.264/AVC and VC-1 video formats
-High definition (HD) playback of both Blu-ray and HD DVD formats
-Hardware MPEG-1, MPEG-2, and DivX video decode acceleration
-Motion compensation and IDCT
- ATI Avivo Video Post Processor
-Color space conversion
-Chroma subsampling format conversion
-Horizontal and vertical scaling
-Gamma correction
-Advanced vector adaptive per-pixel de-interlacing
-De-blocking and noise reduction filtering
-Detail enhancement
-Inverse telecine (2:2 and 3:2 pull-down correction)
-Bad edit correction
-Two independent display controllers
-Drive two displays simultaneously with independent resolutions, refresh rates, color controls and video overlays for each display
-Full 30-bit display processing
-Programmable piecewise linear gamma correction, color correction, and color space conversion
-Spatial/temporal dithering provides 30-bit color quality on 24-bit and 18-bit displays
-High quality pre- and post-scaling engines, with underscan support for all display outputs
-Content-adaptive de-flicker filtering for interlaced displays
-Fast, glitch-free mode switching
-Hardware cursor
-Two integrated DVI display outputs
-Primary supports 18-, 24-, and 30-bit digital displays at all resolutions up to1920x1200 (single-link DVI) or 2560x1600 (dual-link DVI)