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Home > Hardware Reviews > Graphics Cards

Wednesday, December 27, 2006
Powercolour X1950Pro

2. Radeon X1950 GPU Specifications

Features

  • 36 pixel shader processors
  • 8 vertex shader processors
  • Up to 256-bit 8 channel GDDR3 memory interface
  • Native PCI Express® x16 bus interface
  • Plug-and-play (native) CrossFire™
Shader Technology
  • Support for Microsoft® DirectX® 9.0 programmable vertex and pixel shaders in hardware.
  • Shader Model 3.0 vertex and pixel shader support:
    • Full speed 32-bit floating point processing
    • High dynamic range rendering with floating point blending and anti-aliasing support
    • High performance dynamic branching and flow control
  • Complete feature set also supported in OpenGL® 2.0
Anti-Aliasing and Anisotropic Filtering
  • 2x/4x/6x Anti-Aliasing modes:
    • Sparse multi-sample algorithm with gamma correction, programmable sample patterns, and centroid sampling
    • New Adaptive Anti-Aliasing mode
    • Temporal Anti-Aliasing
  • Lossless Color Compression (up to 6:1) at all resolutions, up to and including widescreen HDTV
  • 2x/4x/8x/16x Anisotropic Filtering modes:
    • Up to 128-tap texture filtering
    • Adaptive algorithm with performance and quality options
  • Improved rendering with higher subpixel precision and LOD computation levels
    • New rotational high quality rendering mode
3Dc+™ — Advanced Texture Compression
  • High quality 4:1 compression for normal maps and luminance maps
  • Works with any single-channel or two-channel data format
Ring Bus Memory Controller
  • Programmable arbitration logic maximizes memory efficiency, software upgradeable
  • New fully associative texture, color, and Z cache design
  • 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, up to and including widescreen HDTV
Avivo™ Video and Display Engine
  • New advanced video capabilities, including high fidelity gamma, color correction and scaling
  • Dual independent display controllers that support true 30 bits per pixel throughout the display pipe
  • Full symmetry on both heads
  • Each display interface supports display resolutions beyond 2560x1600
  • Advanced DVI capabilities, including 10-bit, 16-bit HDR output
  • YPrPb component output for direct drive of HDTV displays
  • Seamless integration of pixel shaders with video in real time
  • MPEG1/2/4 decode and encode acceleration:
  • DXVA support
    • Hardware motion compensation, iDCT, DCT and color space conversion
  • All-format DTV/HDTV decoding
  • Adaptive per-pixel de-interlacing and frame rate conversion (temporal filtering)
CrossFire™
  • Multi-GPU technology

  • Four modes of operation:
    • Alternate frame rendering for maximum performance
    • Supertiling for optimal load-balancing
    • Scissoring for compatibility
    • Super AA for maximum image quality

  • Native CrossFire support simplifies setup by requiring no dedicated slave or master hardware
  • 24-bit CrossFire connection enables high resolutions and refresh rates
  • Supports the broadest range of platforms for both Intel and AMD




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