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Sapphire X1300XT - Crossfire On The Cheap PDF Print E-mail
Article Index
Sapphire X1300XT - Crossfire On The Cheap
Specifications
Packaging And Installation
Performance and Conclusion
Page 2 of 4


Specifications:

Features
  • 157 million transistors on 90nm fabrication process
  • Dual-link DVI
  • Twelve pixel shader processors
  • Five vertex shader processors
  • 128-bit 4-channel DDR/DDR2/GDDR3 memory interface
  • Native PCI Express x16 bus interface

    • AGP 8x configurations also supported with AGP-PCI-E external bridge chip
  • Dynamic Voltage Control

Ring Bus Memory Controller
  • 256-bit internal ring bus for memory reads
  • Programmable intelligent arbitration logic
  • 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
  • Z/stencil cache optimized for real-time shadow rendering

Ultra-Threaded Shader Engine

  • Support for Microsoft® Direct X 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 128 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

    • 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
  • Multiple Render Target (MRT) support
  • Render to vertex buffer support
  • Complete feature set also supported in Open GL® 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

    • 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

CrossFire
  • Multi-GPU technology

    • Four modes of operation:

      • Alternate Frame Rendering (maximum performance)
      • Supertiling (optimal load-balancing)
      • Scissor (compatibility)
      • Super AA 8x/10x/12x/14x (maximum image quality)

Test Bed Configuration:

Abit-AW9D (i975x) updated bios (4-18-2007) R15

Core2 Duo E6300 @ 2.8 gigahertz (Allendale) (400x7)

1 gig Corsair XMS2 (4-4-4-12-21) (1:1) ddr2 800

WDC WD360 GD Raptor

WDC WD3200JD

2x Sapphire x1300xt 256mb in CrossFire

Kingwin 650 watt 120mm

Standard case with 2x 80mm

Ambient: 21-23 C/69-74 f


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