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GeForce 6800 GPU Specifications

CineFX™ 3.0 Shading Architecture

  • Vertex Shaders
    • Support for Microsoft® DirectX® 9.0 Vertex Shader 3.0
    • Displacement mapping
    • Geometry instancing
    • Infinite length vertex programs
  • Pixel Shaders
    • Support for DirectX 9.0 Pixel Shader 3.0
    • Full pixel branching support
    • Support for Multiple Render Targets (MRTs)
    • Infinite length pixel programs
  • Next-Generation Texture Engine
    • Up to 16 textures per rendering pass
    • Support for 16-bit floating point format and 32-bit floating point format
    • Support for non-power of two textures
    • Support for sRGB texture format for gamma textures
    • DirectX and S3TC texture compression
  • Full 128-bit studio-quality, floating point precision through the entire rendering pipeline with native hardware support for 32bpp, 64bpp, and 128bpp rendering modes

64-Bit Texture Filtering and Blending

  • Full floating point support throughout entire pipeline
  • Floating point filtering improves the quality of images in motion
  • Floating point texturing drives new levels of clarity and image detail
  • Floating point frame buffer blending gives detail to special effects like motion blur and explosions

Intellisample™ 3.0 Technology

  • Advanced 16x anisotropic filtering
  • Blistering-fast antialiasing and compression performance
  • New rotated-grid antialiasing removes jagged edges for incredible edge quality
  • Support for advanced lossless compression algorithms for color, texture, and z-data at even higher resolutions and frame rates
  • Fast z-clear
  • High-resolution compression technology (HCT) increases performance at higher resolutions through advances in compression technology

UltraShadow II Technology

  • Designed to enhance the performance of shadow-intensive games, like id Software’s Doom III

Advanced Engineering

  • Designed for PCI Express x16
  • Support for AGP 8X including Fast Writes and sideband addressing
  • Designed for high-speed GDDR3 memory
  • 0.13 micron process technology
  • Advanced thermal management and thermal monitoring

Advanced Video and Display Functionality

  • Dedicated on-chip video processor
  • MPEG video encode and decode
  • WMV9 decode acceleration
  • Advanced adaptive de-interlacing
  • High-quality video scaling and filtering
  • DVD and HDTV-ready MPEG-2 decoding up to 1920x1080i resolutions
  • Dual integrated 400 MHz RAMDACs for display resolutions up to and including 2048 × 1536 at 85Hz
  • Dual DVO ports for interfacing to external TMDS transmitters and external TV encoders
  • Microsoft® Video Mixing Renderer (VMR) supports multiple video windows with full video quality and features in each window
  • Full NVIDIA® nView™ multi-display technology capability

NVIDIA® Digital Vibrance Control™ (DVC) 3.0 Technology

  • Color controls
  • Image sharpening controls

Operating Systems

  • Windows XP
  • Windows ME
  • Windows 2000
  • Windows 9X
  • Macintosh OS, including OS X
  • Linux

API Support

  • Complete DirectX support, including the latest version of Microsoft® DirectX® 9.0
  • Full OpenGL, including OpenGL 1.5
*The operating system or APIs can impose limits, but the hardware does not limit shader program length.
Feature GeForce 6800 Models
Microsoft® DirectX® 9.0 SM 3.0
Graphics Bus Technology AGP 8X/PCI Express
NVIDIA Intellisample 3.0
NVIDIA SLI
Memory Interface 256-bit
Memory GDDR3² and DDR
Process 0.13 micron
RAMDACs 400 MHz
¹SLI – available on the PCI Express GeForce 6800 Ultra and 6800 GT.
²GDDR3 – GeForce 6800 Ultra and 6800 GT.


 
 
 
 
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