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» Channels :: Graphics Card

Gigabyte GV-NX88T512HP (GeForce 8800 GT 512MB, TurboForce Edition)
By Vincent Chang
Category : Graphics
Published by Vijay Anand on Monday, 10th December, 2007
Rating : 4.5 out of 5 stars  

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Cooling the GeForce 8800 GT

NVIDIA's move to a 65nm core - the G92 - has been such a splendid success in its present form at the heart of the GeForce 8800 GT 512MB that the upcoming remake of the GeForce 8800 GTS will also utilize this revised core. So too will the high-end GeForce 8 Mobility GPUs that you'll probably find in gaming notebooks next year. Despite its popularity and impressive performance, we have yet to be convinced by the reference cooler from NVIDIA on the GeForce 8800 GT. While it is quiet and admirably slim, the temperatures on the GeForce 8800 GT have been generally quite high. This has prompted brisk sales for certain third party coolers among enthusiasts though at the same time, raises the ownership costs for a quiet and cool GeForce 8800 GT.

No doubt, the vendors themselves concur, for it wasn't long before they came up with their own custom cooling solutions to tackle this. One of the early results we have seen include the Palit GeForce 8800 GT Sonic, which has done rather well in our temperature tests. Gigabyte is another company with a similar idea and it has turned to Zalman to provide the solution. The end result is the Gigabyte GV-NX88T512HP, equipped with the Zalman VF700-ALCU cooler. Besides that, the card uses a custom blue PCB, is overclocked by default and includes Gigabyte's Turbo Force technology that supposedly enhances stability while overclocked.

Gigabyte has once again bundled Neverwinter Nights 2 along with this Zalman enhanced edition of the GeForce 8800 GT.

Gigabyte GV-NX88T512HP Technical Specifications
Graphics Engine
  • NVIDIA GeForce 8800 GT GPU (G92)
    • 754 million transistors
    • 3D GPU clock = 700MHz
    • 112 Stream Processors at 1675MHz
  • NVIDIA Unified Architecture
    • GigaThread technology
    • Full support for Microsoft DirectX 10
      • Geometry shaders
      • Geometry instancing
      • Streamed output
      • Shader Model 4.0
    • Full 128-bit floating point precision through the entire rendering pipeline
  • NVIDIA Lumenex Technology
    • 16x full screen anti-aliasing
    • Transparent multisampling and transparent supersampling
    • 16x angle independent anisotropic filtering
    • 128-bit floating point high dynamic-range (HDR) lighting with anti-aliasing
      • 32-bit per component floating point texture filtering and blending
    • Advanced lossless compression algorithms for color, texture, and z-data
    • Support for normal map compression
    • Z-cull
    • Early-Z
  • NVIDIA Quantum Effects Technology
    • Advanced shader processors architected for physics computation
    • Simulate and render physics effects on the graphics processor
  • NVIDIA SLI Technology
  • NVIDIA PureVideo HD Technology
    • Dedicated on-chip video processor (VP2)
    • High-definition H.264, VC-1, MPEG2 and WMV9 decode acceleration
    • Advanced spatial-temporal de-interlacing
    • HDCP capable
    • Spatial-Temporal De-Interlacing
    • Noise Reduction
    • Edge Enhancement
    • Bad Edit Correction
    • Inverse telecine (2:2 and 3:2 pull-down correction)
    • High-quality scaling
    • Video color correction
    • Microsoft Video Mixing Renderer (VMR) support
  • Advanced Display Functionality
    • Two dual-link DVI outputs for digital flat panel display resolutions up to 2560x1600
    • Dual integrated 400MHz RAMDACs for analog display resolutions up to and including 2048x1536 at 85Hz
    • Integrated HDTV encoder provides analog TV-output (Component/Composite/S-Video) up to 1080p resolution
    • NVIDIA nView multi-display technology capability
    • 10-bit display processing
  • Built for Windows Vista
    • Full DirectX 10 support
    • Dedicated graphics processor powers the new Windows Vista Aero 3D user interface
    • VMR-based video architecture
  • Designed for PCI Express 2.0
  • Designed for high-speed GDDR3 memory
  • Advanced thermal monitoring and thermal management
Graphics Memory
  • 256-bit memory interface
  • 512MB Graphics DDR3 SDRAM
  • Default clock rate of 950MHz (effective speed of 1900MHz DDR)
Display Capabilities
  • Dual 400MHz RAMDACs that support resolutions of 2048x1536@85Hz
  • Dual-link DVI capability to drive displays of up to 2560x1600
Connectors
  • 1 x mini-DIN connector (for Video-out)
  • 2 x DVI-I connector (HDCP Ready)
Drivers & Software
  • Driver support for Microsoft Windows Vista/9x/ME/2000/XP/XP MCE/XP Pro x64, Linux and Macintosh OS (including OS X)
  • Neverwinter Nights 2
Other Information
  • PCI Express x16 slot required
  • Dedicated 6-pin PCIe Molex power connector required (not shared or split)
  • Power supply rated for 400W or higher recommended by NVIDIA

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