Graphics Cards Guide

NVIDIA GeForce 7800 GTX review

NVIDIA GeForce 7800 GTX (G70)

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GeForce 7800 GTX Technical Specifications

GeForce 7800 GTX Technical Specifications

NVIDIA GeForce 7800 GTX Technical Specifications
Graphics Engine
  • NVIDIA GeForce 7800 GTX GPU
    • 302 Million Transistors
    • Based on a 0.11-micron process manufacturing technology
    • Stock 2D GPU clock = 275MHz
    • Stock 3D GPU clock = 430MHz
    • Flip-Chip BGA packaging (37.5mm x 37.5mm)
  • NVIDIA CineFX 4.0 Shading Engine
    • Vertex Shaders
      • Support for DX 9.0 Vertex Shader 3.0
      • Displacement Mapping
      • Vertex Frequency Stream Divider (Geometry Instancing)
      • Infinite length vertex programs (supported in hardware)
    • Pixel Shaders
      • Support for DX 9.0 Pixel Shader 3.0
      • Full pixel branching support
      • Multiple Render Targets (MRTs)
      • Infinite length pixel programs (supported in hardware)
    • Texturing Engine Features
      • Accelerated textures access
      • Up to 16 textures per rendering pass
      • Support for 16-bit and 32-bit floating point formats
      • Support for sRGB texture format for gamma textures
      • DirectX and S3TC texture compression
    • Full 128-bit FP Precision Graphics Pipeline
      • Native support for 32 / 64 / 128 bits per pixel rendering modes
  • 64-Bit Texture Filtering and Blending
    • Full floating point support throughout entire pipeline
    • Floating point filtering / texturing / frame buffer blending operations
    • Supports OpenEXR standard to accurately capture the range and precision of light transport data
  • NVIDIA UltraShadow II Technology (accelerates shadow computations)
  • NVIDIA SLI Technology
  • NVIDIA Intellisample 4.0 Technology
    • 16x Anisotropic Filtering
    • Adaptive Texture Filtering
    • Gamma-adjusted Rotated Grid Antialiasing
    • Transparent multisampling and supersampling modes
    • Fast antialiasing and compression performance
    • Loss-less Color, Texture and Z-Data Compression algorithms (in real time)
    • Fast Z-clear
    • Support for normal map compression
  • NVIDIA PureVideo Technology
    • Dedicated programmable on-chip video processor
    • MPEG-2 video encode and decode
    • High Definition MPEG-2 and WMV9 hardware decode acceleration (up to 1080i)
    • Post Processing Features
      • Spatial-Temporal De-Interlacing (adaptive)
      • NTSC 3:2 Pulldown / Bad Edit correction
      • PAL 2:2 Pulldown correction
    • High quality 4x5 video scaling and filtering
    • Microsoft Video Mixing Renderer (VMR)
    • Integrated HDTV output (with HDCP support)
  • Composited Desktop Hardware Engine (for Windows Longhorn)
    • Video post-processing
    • Real time desktop compositing
    • Accelerated antialiased text rendering
    • Pixel shader driven effects and animation capability
    • Windows Graphics Foundation (WGF) ready
  • Advanced Video and Display Functionality
    • Dual 400MHz RAMDACs that support resolutions of 2048x1536@85Hz
    • Dual DVO ports for interfacing external TMDS transmitters and external TV/HDTV encoder
    • nView Multi-display Technology
  • NVIDIA Digital Vibrance Control (DVC) 3.0
  • Advanced Engineering
    • Designed for PCI Express x16
    • Advanced thermal monitoring and thermal management
Graphics Memory
  • 256-bit memory interface
  • 256MB Graphics DDR3 SDRAM
  • Default clock rate of 600MHz (effective speed of 1200MHz DDR)
  • 38.4GB/sec Peak Memory Bandwidth
Display Capabilities
  • Dual 400MHz RAMDACs that support resolutions of 2048x1536@85Hz
  • 1x mini-DIN connector (for Video-out)
  • 2x DVI-I connector (for Digital Flat Panel displays, compatible with analog displays with converter)
Operating Systems / API Support
  • Driver support for Microsoft Windows 9x/ME/2000/XP/XP MCE/XP Pro x64, Linux and Macintosh OS (including OS X)
  • NVIDIA Unified Driver Architecture (UDA)
  • Fully compliant OpenGL 2.0 API
  • Complete DirectX support including 9.0C (and lower), Shader Model 3.0
Other Information
  • PCI Express x16 slot required
  • Adjacent expansion slot to be kept free preferably
  • Dedicated 6-pin PCIe Molex power connector required (not shared or split)
  • Power supply rated for 350W or higher receommended by NVIDIA (500W PSU for SLI setup)