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Date: May 31st, 2006
Article by: Nathan Glentworth (Owner / Head Editor)
Product was submitted by: Sapphire
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PRODUCT SPECIFICATIONS & FEATURES



- RADEON™ X1900 XTX core (650MHz)
- 512MB GDDR3 onboard memory (1550MHz)
- 48 pixel shader processors
- 256-bit Memory Bus
- PCI Express x16
- Pixel Shader Version 3.0
- Video Acceleration of: MPEG-2, MPEG-4, DivX, WMV9, VC-1, and H.264
- Dual DVI
- Video-In and Video-Out
- 2 Sapphire Select Unlock keys


Radeon® X1900 Graphics Technology - GPU Specifications


Features

  • 384 million transistors on 90nm

  • fabrication process

  • Up to 48 pixel shader processors

  • 8 vertex shader processors

  • 256-bit 8-channel GDDR3

  • memory interface

  • Native PCI Express x16 bus interface


Ring Bus Memory Controller

  • Up to 512-bit internal ring bus for memory reads

  • Fully associative texture, color, and Z/stencil cache designs

  • Hierarchical Z-buffer with Early Z test

  • Lossless Z Compression (up to 48:1)

  • Fast Z-Buffer Clear

  • Optimized for performance at high display resolutions, including widescreen HDTV resolutions


Ultra-Threaded Shader Engine

  • Support for Microsoft® DirectX® 9.0 Shader Model 3.0 programmable vertex and pixel shaders in hardware

  • Full speed 128-bit floating point processing for all shader operations

  • Up to 512 simultaneous pixel threads

  • Dedicated branch execution units for high performance dynamic branching and flow control

  • Dedicated texture address units for improved efficiency

  • 3Dc+ texture compression o High quality 4:1 compression for normal maps and two-channel data formats

  • High quality 2:1 compression for luminance maps and single-channel data formats

  • Complete feature set also supported in OpenGL® 2.0


Advanced Image Quality Features

  • 64-bit floating point HDR rendering supported throughout the pipeline

    • Includes support for blending and multi-sample anti-aliasing

  • 32-bit integer HDR (10:10:10:2) format supported throughout the pipeline

    • Includes support for blending and multi-sample anti-aliasing

  • 2x/4x/6x Anti-Aliasing modes

    • Multi-sample algorithm with gamma correction, programmable sparse sample patterns, and centroid sampling

    • New Adaptive Anti-Aliasing feature with Performance and Quality modes

    • Temporal Anti-Aliasing mode

    • Lossless Color Compression (up to 6:1) at all resolutions, including widescreen HDTV resolutions

  • 2x/4x/8x/16x Anisotropic Filtering modes

    • Up to 128-tap texture filtering

    • Adaptive algorithm with Performance and Quality options

  • High resolution texture support (up to 4k x 4k)


Avivo™ Video and Display Platform

  • High performance programmable video processor

    • Accelerated MPEG-2, MPEG-4, DivX, WMV9, VC-1, and H.264 decoding and transcoding

    • DXVA support

    • De-blocking and noise reduction filtering

    • Motion compensation, IDCT, DCT and color space conversion

    • Vector adaptive per-pixel de-interlacing

    • 3:2 pulldown (frame rate conversion)

  • Seamless integration of pixel shaders with video in real time

  • HDR tone mapping acceleration

    • Maps any input format to 10 bit per channel output

  • Flexible display support

    • Dual integrated dual-link DVI transmitters

      • DVI 1.0 compliant / HDMI interoperable and HDCP ready*

    • Dual integrated 10 bit per channel 400 MHz DACs

    • 16 bit per channel floating point HDR and 10 bit per channel DVI output

    • Programmable piecewise linear gamma correction, color correction, and color space conversion (10 bits per color)

    • Complete, independent color controls and video overlays for each display

    • High quality pre- and post-scaling engines, with underscan support for all outputs

    • Content-adaptive de-flicker filtering for interlaced displays

    • Xilleon™ TV encoder for high quality analog output

    • YPrPb component output for direct drive of HDTV displays

    • Spatial/temporal dithering enables 10-bit color quality on 8-bit and 6-bit displays

    • Fast, glitch-free mode switching

    • VGA mode support on all outputs

    • Drive two displays simultaneously with independent resolutions and refresh rates

  • Compatible with ATI TV/Video encoder products, including Theater 550

 

 


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