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2006-10-15 09:09 PM |
NVIDIA unleashes the GeForce Go 7950 GTX GPU
引用:
7 Series Technical Specifications
Technical Specifications - NVIDIA GeForce Go 7 Series GPUs
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
– Transparent multisampling and transparent supersampling modes boost antialiasing quality to new levels
– Gamma-adjusted rotated-grid antialiasing removes jagged edges for incredible image quality
– 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 PureVideo Technology
– Adaptable programmable video processor
– High-definition H.264, MPEG-2, and WMV9 hardware acceleration
– HD, spatial-temporal de-interlacing
– Inverse Telecine (3:2 and 2:2 pull-down correction)
– 4-tap horizontal, 5-tap vertical scaling
– LCD Sharpening
– Overlay color temperature correction
– Microsoft Video Mixing Renderer (VMR) supports multiple video windows with full video quality and features in each window
– Integrated TV output
NVIDIA TurboCache Technology1
– Combines the capacity and bandwidth of dedicated video memory with dynamically allocated system memory to dramatically turbocharge performance
NVIDIA SLI Technology2
– Patented hardware and software technology allows two GeForce Go-based graphics cards to run in parallel to scale performance and enhance image quality on today's top titles.
– Scales performance on today’s games and applications
Composited Desktop Hardware Engine
– Real time desktop compositing
– Accelerated antialiased text rendering
– Pixel shader driven special effects and animation technology capability
Advanced Display Functionality
– Dual integrated 400MHz RAMDACs for display resolutions up to and including 2048x1536 at 85Hz
– Dual DVO ports for interfacing to external TMDS transmitters and external TV encoders
– Full NVIDIA nView multi-display technology capability
Advanced Engineering
– PCI Express x16
– High-speed GDDR1, DDR2, and GDDR3 memory
NVIDIA Digital Vibrance Control (DVC) 3.0 Technology
– DVC color controls
– DVC image sharpening controls
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
Operating Systems
– Built for Microsoft Windows Vista
– 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
1 Featured in GeForce Go 7300 and GeForce Go 7400 GPUs only
2 Available on NVIDIA SLI-based notebooks only
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相較於「GeForce Go 7900 GTX」，核心時脈從500MHz到575MHz，記憶體時脈從1.2GHz向1.4GHz提高。GPU採用90nm，裝載著24個Pixel Shaders，8個Vertex Shaders。
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