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ASUS Extreme N7800 GT 256MB (GeForce 7800 GT, PCIe)
By Vincent Chang
Category : Graphics
Published by Vijay Anand on Sunday, 25th December, 2005
Rating : 3.5 out of 5 stars  


The ASUS Brand

Brand recognition is arguably one of the most important goals of every company in almost any industry. Most people do not have the time to follow market trends and developments; for those that lie beyond their specialization or interests, they simply attach a vaguely 'positive' or 'negative' impression to a brand, if they have even heard of it in the first place. You know you have arrived when people recognize your brand and image the way it was meant to be portrayed, like some marketing slogan or jingle. Hence, building a brand is not done in a day. It takes time but all it needs is some bad publicity to reverse all the former hard work.

Take ASUS for that matter, it has achieved an enviable reputation in the motherboard and graphics card industry for reliability and quality, due to its high performance boards and with its habit of including a truckload of features and extras. In the process, it is now one of the largest manufacturers for motherboards and video cards in the world. This has allowed it to price its products at a premium, though ASUS does try to provide value for money with additional features to justify its higher prices.

The ASUS Extreme N7800 GT 256MB.

In short, most people in the industry know what ASUS is all about. Even if they don't, they would probably have heard of its name somewhere. And after this short introduction, you should also have some slight inkling about the brand, enough to have prepared you for our review of the ASUS Extreme N7800 GT 256MB graphics card. Despite its 'Extreme' tag, this card is probably targeted at the mainstream segment as it follows the clock speeds of the reference NVIDIA GeForce 7800 GT. However, ASUS has chosen its own cooler instead of the default and we also found some extra 'ASUS' touches that make it unique and different from the cookie cutter designs from other vendors. Before we go into the details on the next page, here's a summary of its technical specifications:

ASUS Extreme N7800 GT 256MB Technical Specifications
Graphics Engine
  • NVIDIA GeForce 7800 GT GPU
    • Stock 2D GPU clock = 275MHz
    • Stock 3D GPU clock = 400MHz
  • 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
  • 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)
  • 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
  • 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 500MHz (effective speed of 1000MHz DDR)
Display Capabilities
  • Dual 400MHz RAMDACs that support resolutions of 2048x1536@85Hz
  • Integrated dual TMDS transmitters (DVI 1.0 compliant and HDCP ready)
Connectors
  • 1x mini-DIN connector (for Video-out)
  • 2x DVI-I connector (for Digital Flat Panel displays, compatible with analog displays with converter)
Drivers & Software
  • Driver support for Microsoft Windows 9x/ME/2000/XP/XP MCE/XP Pro x64, Linux and Macintosh OS (including OS X)
  • Xpand Rally
  • Project SnowBlind
  • Joint Operations: Typhoon Rising
  • ASUS PowerDirector 3DE
  • ASUS DVD
  • ASUS MediaShow SE2.0
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)

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