NVIDIA GeForce 6800 XT PCIe Graphics Card

Overview

The groundbreaking new NVIDIA® GeForce™ 6800 graphics processing units (GPUs) and their revolutionary technologies power worlds where reality and fantasy meet; worlds in which new standards are set for visual realism and quality, performance, and video functionality. The GeForce 6800 GPUs deliver powerful, elegant graphics to drench your senses, immersing you in unparalleled worlds of visual effects for the ultimate PC experience.

Features

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 3

TurboCache Technology

• Shares the capacity and bandwidth of dedicated video memory and dynamically available system memory for optimal system performance.

PureVideo Technology

• Adaptable programmable video processor
• MPEG video encode and decode
• High-definition MPEG-2 hardware acceleration
• 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
• Display gamma correction
• Microsoft® Video Mixing Renderer (VMR) supports multiple video windows with full video quality and features in each window

Advanced Display Functionality

• Dual integrated 400MHz 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
• Full NVIDIA® nView™ multi-display technology capability

Advanced Engineering

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

NVIDIA® Digital Vibrance Control™ (DVC) 3.0

• DVC color controls
• DVC 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 Shader Model 3.0
• Full OpenGL support, including OpenGL 2.0

GeForce 6 Series GPUs Features Comparison:

Feature GeForce 6800 Models GeForce 6600 Models GeForce 6200 Models GeForce 6200 w/Turbocache Microsoft® DirectX® 9.0 SM 3.0 SM 3.0 SM 3.0 SM 3.0 Graphics Bus Technology AGP 8X/PCI Express AGP 8X/PCI Express AGP 8X/PCI Express PCI Express NVIDIA® Intellisample™ Technology 3.0 3.0 3.01 3.01 NVIDIA® SLI™ Technology X2 X2 n/a n/a NVIDIA® PureVideo™ Technology X3 X3 X3 X3 NVIDIA® TurboCache™ Technology n/a n/a n/a X4 64-bit Texture Filtering and Bending X X n/a n/a Effective Memory Interface 256-bit 128-bit 128-bit 128/64-bit Memory GDDR35 and DDR GDDR35 and DDR DDR DDR Process 0.13 micron 0.11 micron 0.11 micron 0.11 micron RAMDACs 400 MHz 400 MHz 400 MHz 400 MHz

1. GeForce 6200 models do not include compression technology.
2. NVIDIA SLI: Available on SLI-certified versions of GeForce 6800 Ultra, 6800 GT, 6800 GS, 6800, 6800 XT, 6800 LE, 6600 GT, 6600, and 6600 LE PCI Express GPUs only.
3. Features may vary by product.  Some features may require additional software.
4. Available on select GeForce 6200 models only.
5. GDDR3 – GeForce 6800 Ultra, 6800 GT, 6800 GS, and 6600 GT only.