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Written by Olin Coles   
Wednesday, 26 March 2008
Table of Contents: Page Index
Gigabyte GV-NX98X1GHI-B GeForce 9800 GX2 Video Card
GeForce 9800 GX2 Features
NVIDIA Hybrid Technology
Features and Specifications
GeForce 9800 GX2 Closer Look
GV-NX98X1GHI-B Detailed Features
Video Card Testing Methodology
3DMark06 Benchmarks
COD 4 Fraps Benchmarks
Crysis Benchmarks
Lightsmark Frame Rates
Passmark 3d Mark Results
SupComm: Forged Alliance Results
World in Conflict Benchmarks
9800 GX2 Overclocking Results
GeForce 9800 GX2 Temperatures
GeForce 9800 GX2 Final Thoughts
Gigabyte GV-NX98X1GHI-B Conclusion

GeForce 9800 GX2 Features

Coupled with PureVideo HD technology, the Gigabyte GV-NX98X1GHI-B GeForce 9800 GX2 graphics card delivers the ultimate multimedia experience. HDMI technology allows users to connect PCs to high-definition television sets with a single cable, delivering high-definition surround sound audio and video with resolutions up to 1080p. PureVideo HD technology scales video in the highest quality up to resolutions of 2560x1600 - from standard and high-definition file formats - while preserving the details of the original content. PureVideo HD technology also accelerates high-definition video decode, freeing up CPU cycles while watching high-definition Blu-ray and HD DVD movies or other VC-1 and H.264 encoded file formats.

  • Gigabyte GV-NX98X1GHI-B GeForce 9800 GX2 Video Card
  • S/PDIF Digital audio cable included
  • HDMI resolutions: 480p/720p/1080i/1080p
  • PCI Express 2.0 interface
  • Backwards compatible with PCI Express x16
  • 256 Total stream processors
  • Dual card-slot active cooling solution
  • 1024MB Total GDDR3 memory
  • 256-bit memory interface
  • PureVideo HD technology with hardware decoding of high-definition video formats
  • Dual dual-link DVI - up to 2560x1600
  • DVI HDTV output: 480p/720p/1080i
  • PCB Size: 266x 111mm

Bus Support

  • PCI Express 2.0 (compatible with PCIe x16)

3D Acceleration

  • Microsoft DirectX10 support
  • Unified Shader Model 4.0
  • OpenGL 2.1

Gigabyte GV-NX98X1GHI-B GeForce 9800 GX2 1024 MB 256-Bit x2 PCI-Express 2.0 Video Card Test Graphics Performance Review


  • HDTV Ready
  • Vista Ready
  • SLI Ready
  • HDCP Ready
  • DVI Audio
  • Dual Link Dual DVI
  • RoHS Compliant

Dual-Stream Decode

Recently, studios have begun taking advantage of the additional space high-definition media such as Blu-Ray and HD DVD discs provide by adding dual-stream picture-in-picture functionality to movies. Often the PiP content is coupled with advanced BD-J (Java) or HDi (XML) features, so taking the processing burden off of the CPU is even more important for titles with these advanced features. The latest PureVideo HD engine now supports dual-stream hardware acceleration which takes the workload off of the CPU and gives it to the more powerful GPU.

GV-NX98X1GHI-B Specifications:

G92 Graphics Processing Unit

  • NVIDIA GeForce 9800 GX2 600MHz engine clock (x2)
  • 256 Total Stream Processors
  • 1500MHz Shader clock
  • Dual 400 MHz RamDAC
  • Max. Resolution @ 2560 x 1600
  • True 128-bit floating point high dynamic-range (HDR) lighting with 16x full- screen anti-aliasing


  • 512MB GDDR3 (1024MB Total vRAM)
  • 1000MHz memory clock
  • 256-bit memory bus
  • Mem Type: 16Mx32-1.0 GDDR3
  • Memory pieces: 16
  • Memory package: uBGA

With two on-board GPUs, a GeForce 9800 GX2-based graphics solution is bar-none the fastest graphics card available, and when paired with a 7 Series NVIDIA nForce motherboard, creates the latest in a line of powerful NVIDIA gaming platforms. Be blown away by scorching frame rates, true-to-life extreme HD gaming, and picture-perfect Blu-ray and HD DVD movies.

Product Series GeForce 9800 GX2 GeForce 8800 Ultra GeForce 8800 GTX GeForce 8800 GTS GeForce 8800 GTS 512MB GeForce 8800 GT
Stream Processors 256 128 128 96 128 112
Core Clock (MHz) 600 612 575 500 650 600
Shader Clock (MHz) 1500 1500 1350 1200 1625 1500
Memory Clock (MHz) 1000 1080 900 800 1000 900
Memory Amount 512MB x2 768MB 768MB 640MB or 320MB 512MB 512MB
Memory Interface 256-bit 384-bit 384-bit 320-bit 256-bit 256-bit
Memory Bandwidth (GB/sec) 128.0 103.7 86.4 64 64 57.6
Texture Fill Rate (billion/sec) 76.8 39.2 36.8 24 41.6 33.6


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