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» Channels :: Graphics Card
Sapphire RADEON X800 XT 256MB
By Vincent Chang
Category : Graphics
Published by Vijay Anand on Friday, 15th April, 2005
Rating : 4.5 out of 5 stars  

Technical Specifications

Sapphire RADEON X800 XT Technical Specifications
Graphics Engine
  • ATI RADEON X800 XT Visual Processing Unit (VPU)
  • Stock VPU clock = 500MHz
  • 16 parallel rendering pipelines
  • 6 parallel geometry engines
  • 256-bit memory interface
  • AGP 8X/4X/2X
    • Full support for Microsoft® DirectX® 9.0 programmable vertex and pixel shaders in hardware
    • 2.0 Vertex Shaders
      • Supports vertex programs up to 65,280 instructions with flow control
      • Single cycle trigonometric operations (SIN & COS)
    • 2.0 Extended Pixel Shaders
      • Supports up to 1,536 instructions and 16 textures per rendering pass
      • 2nd Generation F-buffer technology accelerates multi-pass pixel shader programs with unlimited instructions
      • 32 temporary and constant registers
      • Facing register for two-sided lighting
      • 128-bit, 64-bit & 32-bit per pixel floating point color formats
      • Multiple Render Target (MRT) support
    • Complete feature set also supported in OpenGL® via extensions
    • 2x/4x/6x full scene anti-aliasing modes
      • Sparse multi-sample algorithm with gamma correction, programmable sample patterns, and centroid sampling
      • Lossless Color Compression (up to6: 1) at all resolutions, including widescreen HDTV resolutions
      • Temporal Anti-Aliasing
    • 2x/4x/8x/16x anisotropic filtering modes
      • Up to 128-tap texture filtering
      • (Adaptive algorithm with bi-linear (performance) and tri-linear (quality) options)
  • 3Dc™
    • High quality 4:1 Normal Map Compression
    • Works with any two-channel data format
    • 3-level Hierarchical Z-Buffer with early Z test
    • Lossless Z-Buffer compression (up to 48:1)
    • Fast Z-Buffer Clear
    • Z cache optimized for real-time shadow rendering
    • Optimized for performance at high display resolutions, including widescreen HDTV resolutions
    • Seamless integration of pixel shaders with video in real time
    • FULLSTREAM™ video de-blocking technology for Real, DivX, and WMV9 formats
    • VIDEOSOAP™ noise removal filtering for captured video
    • All-format DTV/HDTV decoding
    • Adaptive Per-Pixel De-Interlacing and Frame Rate Conversion (temporal filtering)
  • Dual integrated display controllers
  • Single and dual link external TMDS transmitter support for high resolution and/or multi-monitor DVI configurations
Graphics Memory
  • 256MB DDR3 SDRAM (Samsung AF-22, 1.6ns)
  • Default Memory clock = 1 GHz DDR (500MHz clock rate)
  • Dual integrated 10-bit per channel 400 MHz DACs
  • Integrated 165 MHz TMDS transmitter (DVI 1.0 compliant and HDCP ready)
I/O Faceplate Connectors
  • DVI-I connector
  • Nine-pin mini-DIN for video input and output (VIVO)
  • Standard DB15 VGA monitor output
Drivers & Software
  • Driver support for Windows 98SE / Me / 2000 / XP
  • Redline Overclocking/Tweak Utility
  • CyberLink PowerDVD 5.0
  • CyberLink PowerDirector 2.55VE
  • Splinter Cell: Pandora Tomorrow (Full game, 1 DVD)
  • Prince of Persia: The Sands of Time (Full game, 2 CDs)
Other Information
  • AGP 2.0 / 3.0 slot required (1.5V)

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