Overview
The new NVIDIA® GeForce® 7800 graphics processing units (GPUs) represent a significant leap forward in 3D graphics design, delivering the unparalleled horsepower and revolutionary technologies you need to tear through the latest games. The GeForce 7800 GPUs deliver blazing frame rates and outstanding image quality — so you can experience full-throttle graphics performance.
Features
Next-Generation Superscalar GPU Architecture
Delivers over 2x the shading power of previous generation products taking gaming performance to extreme levels.
Full Microsoft® DirectX® 9.0 Shader Model 3.0 Support
The standard for today’s PCs and next-generation consoles enables stunning and complex effects for cinematic realism. NVIDIA GPUs offer the most complete implementation of the Shader Model 3.0 feature set-including vertex texture fetch (VTF)-to ensure top-notch compatibility and performance for all DirectX 9 applications.
NVIDIA® CineFX® 4.0 Engine
Delivers advanced visual effects at unimaginable speeds. Full support for Microsoft® DirectX® 9.0 Shader Model 3.0 enables stunning and complex special effects. Next-generation shader architecture with new texture unit design streamlines texture processing for faster and smoother gameplay.
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NVIDIA® SLI™ Technology1
NVIDIA SLI* technology is a revolutionary platform innovation that allows users to intelligently scale graphics performance by combining multiple NVIDIA graphics solutions in a single system with an NVIDIA nForce SLI MCP. The must-have feature for performance PCI Express® graphics, SLI dramatically scales performance on today’s hottest games.
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*SLI support for the GeForce 7950 GX2 will be provided through a future NVIDIA ForceWare driver release. See www.slizone.com for details.
NVIDIA® Intellisample™ 4.0 Technology
The industry’s fastest antialiasing delivers ultra-realistic visuals, with no jagged edges, at lightning-fast speeds. Visual quality is taken to new heights through a new rotated grid sampling pattern, advanced 128 tap sample coverage, 16x anisotropic filtering, and support for transparent supersampling and multisampling.
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True High Dynamic-Range (HDR) Rendering Support
The ultimate lighting effects bring environments to life for a truly immersive, ultra-realistic experience. Based on the OpenEXR technology from Industrial Light & Magic (https://www.openexr.com/), NVIDIA’s 64-bit texture implementation delivers state-of-the-art high dynamic-range (HDR) visual effects through floating point capabilities in shading, filtering, texturing, and blending.
HDCP Capable3
Allows playback of HD DVD, Blu-ray Disc, and other protected content at full HD resolutions with integrated High-bandwidth Digital Content Protection (HDCP) support.
NVIDIA® PureVideo™ Technology2
The combination of high-definition video processors and decoder software delivers unprecedented picture clarity, smooth video, accurate color, and precise image scaling for all video content to turn your PC into a high-end home theater.
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Programmable Video Processor2
PureVideo’s programmable technology adapts to new video formats as they are developed to provide a future-proof video solution.
Hardware Decode Acceleration2
Provides ultra-smooth playback of H.264, WMV, and MPEG-2 HD and SD videos with minimal CPU usage.
Spatial Temporal De-Interlacing2
Sharpens high definition and standard definition interlaced content on progressive displays, delivering a crisp, clear picture that rivals high-end home-theater systems.
High-Quality Scaling
Enlarges lower resolution videos and movies to fit your display, while maintaining a clear, clean image. Also provides downscaling of videos, including high-definition, while preserving image detail.
Video Color Correction2
Corrects differences in color characteristics of RGB monitors and TV monitors and ensures videos are not too dark, overly bright, or washed out regardless of the video format or display.
Integrated SD and HD TV Output
Connects to your standard definition or high-definition TV via Composite, S-Video, Component, or DVI connections.
NVIDIA® UltraShadow™ II Technology
Enhances the performance of bleeding-edge games, like id Software’s DOOM 3, that feature complex scenes with multiple light sources and objects.
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128-Bit Studio-Precision Computation
128-bit studio-precision computation through the entire pipeline prevents image defects due to low precision and ensures the best image quality for even the most demanding applications.
Full-Speed 32-Bit Color Precision
Delivers increased image quality with no performance compromise.
NVIDIA® ForceWare® Unified Driver Architecture (UDA)
Delivers a proven record of compatibility, reliability, and stability with the widest range of games and applications. ForceWare ensures the best out-of-box experience for every user and delivers continuous performance and feature updates over the life of NVIDIA GeForce GPUs.
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OpenGL® 2.0 Optimizations and Support
Ensures top-notch compatibility and performance for OpenGL applications.
NVIDIA® Digital Vibrance Control® 3.0 Technology
Allows the user to adjust color controls digitally to compensate for the lighting conditions of their workspace, in order to achieve accurate, bright colors in all conditions.
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PCI Express® Support
Designed to run perfectly with the next-generation PCI Express bus architecture. This new bus doubles the bandwidth of AGP 8X delivering over 4 GB/sec. in both upstream and downstream data transfers.
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Dual 400MHz RAMDACs
Blazing-fast RAMDACs support dual QXGA displays with ultra-high, ergonomic refresh rates-up to 2048×1536@85Hz.
Dual Dual-Link DVI Support
Able to drive two of the industry’s largest and highest resolution flat-panel displays up to 2560×1600.
90nm Process Technology
Delivers higher performance through blazing clock rates.
High-Speed GDDR3 Memory Interface
Support for 1GB of fast GDDR3 memory delivers fluid frame rates for even the most advanced games and applications.
Built for Microsoft® Windows Vista™
NVIDIA’s third-generation GPU architecture built for Windows Vista gives users the best possible experience with the 3D graphical user interface in the upcoming operating system (OS) from Microsoft.
1 NVIDIA SLI certified versions of GeForce PCI Express GPUs only.
2 Feature requires supported video software. Features may vary by product.
3 Requires other compatible components that are also HDCP capable.
Specifications
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
- Delivers true high dynamic-range (HDR) lighting support
- 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™ Technology1
- Patented hardware and software technology allows two GeForce-based graphics cards to run in parallel to scale performance and enhance image quality on today’s top titles.
- Quad SLI technology enabled through select System Builders delivers SLI support for four GPUs, providing mind-blowing performance and image quality at extreme resolutions. SLI support for the GeForce 7950 GX2 will be provided through a future NVIDIA ForceWare driver release. See www.slizone.com for details
NVIDIA® PureVideo™ Technology
- Dedicated on-chip video processor
- High-definition H.264, MPEG2 and WMV9 decode acceleration
- Advanced spatial-temporal de-interlacing
- Inverse telecine (2:2 and 3:2 pull-down correction)
- High-quality video scaling
- Video color correction
- Microsoft® Video Mixing Renderer (VMR) supports multiple video windows with full video quality and features in each window
NVIDIA® TurboCache™ Technology2
- Combines the capacity and bandwidth of dedicated video memory with dynamically allocated system memory to dramatically turbocharge performance
Built for Microsoft® Windows Vista™
- Third-generation GPU architecture built for Windows Vista
- Delivers best possible experience when running Windows Vista 3D graphical user interface
- New OS supported by renowned NVIDIA® Unified Driver Architecture (UDA) for maximum stability and reliability
- NVIDIA® PureVideo™ technology delivers high-quality VMR pipeline for best-in-class video for Windows Vista
Advanced Display Functionality
- Dual integrated 400MHz RAMDACs for analog display resolutions up to and including 2048×1536 at 85Hz
- Dual-link DVI capability to drive the industry’s largest and highest resolution digital flat panel displays up to 2560×16001
- Integrated HDTV encoder provides analog TV-output (Component/Composite/S-Video) up to 1080i resolution
- Full NVIDIA® nView® multi-display technology capability
High Speed Interfaces
- Designed for PCI Express x16
- Designed for high-speed GDDR3 memory1
NVIDIA® Digital Vibrance Control® (DVC) 3.0 Technology
- DVC color controls
- DVC image sharpening controls
Operating Systems
- Windows XP/Windows XP 64
- Built for Microsoft Windows Vista
- 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
1 Feature available on select GeForce 7 Series GPUs only.
2 Feature available on GeForce 7300 GS and LE GPUs only.
GeForce 7 Series GPUs Model Comparison
| Feature | GeForce 7950 Models | GeForce 7900 Models | GeForce 7800 Models | GeForce 7600 Models | GeForce 7300 Models |
| Graphics Bus Technology | PCI Express | PCI Express | AGP 8X/PCI Express | PCI Express | PCI Express |
| Microsoft® DirectX® 9.0 | SM3.0 | SM3.0 | SM3.0 | SM3.0 | SM3.0 |
| NVIDIA® Intellisample™ Technology | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 |
| NVIDIA® SLI™ Technology | Y1 | Y | Y | Y | Y2 |
| High Dynamic-Range (HDR) Support | Y | Y | Y | Y | Y |
| NVIDIA® TurboCache™ Technology | n/a | n/a | n/a | n/a | Y |
| Effective Memory Interface | 512-bit | 256-bit | 256-bit | 128-bit | 128-bit3/64-bit |
| Memory | GDDR3 | GDDR3 | GDDR3 | GDDR3/DDR2 | GDDR3/DDR2 |
| Process | 0.09 µ | 0.09 µ | 0.11 µ | 0.09 µ | 0.09 µ |
| RAMDACs | 400MHz | 400MHz | 400MHz | 400MHz | 400MHz |
1. SLI support for GeForce 7950 GX2 will be provided through a future ForceWare driver release.
2. Requires NVIDIA® ForceWare® Release 90 driver.
3. 128-bit memory interface only available on GeForce 7300 GT.
