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NVIDIA GeForce 7800GTX Intro 3
Bluetooth 22 June 2005

GeForce 7800 GPU Specifications

Process Technology .11 Micron

Number of Transistors 302M

Memory Architecture 256-bit GDDR3

Core Clock Speed 430MHz

Memory Clock Speed (actual, data rate) 600MHz (1.2GHz)

Vertex Shading Units (#) 8

Pixel Shader Pipelines (#) 24

Peak Pixel Fill Rate 6.88 Billion/sec (16 ROPs x 430MHz)

Bilinear-Filtered Texel Fill Rate 10.32 Billion/sec (24 pipes x 430MHz)

Vertices/sec 860 Million

Peak Power Consumption 100W-110W

NVIDIA® CineFX™ 4.0 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

° Accelerated texture access

° 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

NVIDIA® Intellisample™ 4.0 Technology

• Advanced 16x anisotropic filtering (with up to 128 Taps)

• Blistering- fast antialiasing and compression performance

• Gamma-adjusted rotated- grid antialiasing removes jagged edges for incredible image

quality

• Transparent multisampling and transparent supersampling modes boost antialiasing

quality to new levels

• Support for normal map compression

• Support for advanced lossless compression algorithms for color, texture, and z-data at

even higher resolutions and frame rates

• Fast z-clear

NVIDIA® UltraShadow™ II Technology

• Designed to enhance the performance of shadow-intensive games

NVIDIA® SLI™ Technology

• Patented hardware and software technology allows two GPUs to run in parallel to scale

performance

• Scales performance on over 60 top PC games and applications

NVIDIA® PureVideo™ Technology

• Adaptable programmable video processor

• High-definition MPEG-2 and WMV9 hardware acceleration

• Spatial-temporal de- interlacing

• Inverse 2:2 and 3:2 pull-down (Inverse Telecine)

• 4-tap horizontal, 5-tap vertical scaling

• Overlay color temperature correction

• Microsoft® Video Mixing Renderer (VMR) supports multiple video windows with full

video quality and features in each window

• Integrated HDTV output

Composited Desktop Hardware Engine

• Video post-processing

• Real Time desktop compositing

• Accelerated antialiased text rendering

• Pixel shader driven special effects and animation

Advanced Display Functionality

• Dual integrated 400MHz RAMDACs for display resolutions up to and including

2048x1536 at 85Hz

• Dual DVO ports for interfacing to externa l TMDS transmitters and external TV

encoders

• Full NVIDIA® nView® multi-display technology capability

Advanced Engineering

• Designed for PCI Express x16

• Designed for high-speed GDDR3 memory

NVIDIA® Digital Vibrance Control™ (DVC) 3.0 Technology

• DVC color controls

• DVC image sharpening controls

Operating Systems

• Windows XP/Windows XP 64

• Windows ME

• Windows 2000

• Linux

• Macintosh OS X

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

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