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Sapphire ATi Radeon HD 2900XT 512MB GDDR3 PCI-E Dual DVI / ViVO R600 Retail Graphics Card
£268.79 Inc VAT    £223.99 Ex VAT
Product Name: Sapphire ATi Radeon HD 2900XT 512MB GDDR3 PCI-E Dual DVI / ViVO R600 Retail Graphics Card
Manufacturer: Sapphire
Part Number: 21108-00-50R
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Sapphire ATi Radeon HD 2900XT 512MB GDDR3 PCI-E Dual DVI / ViVO R600 Retail Graphics Card

The SAPPHIRE HD2900 XT features the latest unified shader architecture with 320 shaders, and the world's first 512-bit memory bus delivering over 475 GigaFLOPS performance and 106 GB/sec memory bandwidth. Developed to natively support the latest applications using Microsoft DX 10™ and Shader model 4.0, for a whole new generation of performance, this series brings new meaning to the Windows Vista™ Premium Experience. The SAPPHIRE HD 2900 XT series also incorporates the latest ATI Avivo™ HD Technology for enhanced Video display as well as hardware accelerated decoding of Blu-ray™ and HD DVD content.

Unleash the Gaming Power of DirectX® 10
Ultimate High Definition Gaming Technology
Leadership for Windows Vista™
ATI RADEON™ HD 2900XT




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 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
Double-sided hierarchical Z/stencil buffer
Early Z test, Re-Z, Z Range optimization, and Fast Z Clear
Lossless Z & stencil compression (up to 128:1)
Lossless color compression (up to 8:1)
8 render targets (MRTs) with anti-aliasing support
Physics processing support
Full support for Microsoft® DirectX® 10.0

Shader Model 4.0
Geometry Shaders
Stream Output
Integer and Bitwise Operations
Alpha to Coverage
Constant Buffers
State Objects
Texture Arrays
Dynamic Geometry Acceleration

High performance vertex cache
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 (up to 8 samples per pixel)
Up to 24x Custom Filter Anti-Aliasing (CFAA) for improved quality
Adaptive super-sampling and multi-sampling
Temporal anti-aliasing
Gamma correct
Super AA (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
CrossFire™ Multi-GPU Technology

Scale up rendering performance and image quality with 2 or more GPUs
Integrated compositing engine
High performance dual channel interconnect
ATI Avivo™ HD Video and Display Platform

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 dual-link DVI display outputs
Each supports 18-, 24-, and 30-bit digital displays at all resolutions up to 1920x1200 (single-link DVI) or 2560x1600 (dual-link DVI)1
Each includes a dual-link HDCP encoder with on-chip key storage for high resolution playback of protected content2
Two integrated 400 MHz 30-bit RAMDACs
Each supports analog displays connected by VGA at all resolutions up to 2048x15363
HDMI output support
Supports all display resolutions up to 1920x10801
Integrated HD audio controller with multi-channel (5.1) AC3 support, enabling a plug-and-play cable-less audio solution
Integrated AMD Xilleon™ HDTV encoder
Provides high quality analog TV output (component/S-video/composite)
Supports SDTV and HDTV resolutions
Underscan and overscan compensation
HD decode for H.264/AVC, VC-1, DivX and MPEG-2 video formats
Flawless DVD

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