Gigabyte Geforce 6600 GT Silent-Pipe II GV-NX66T256DE - Page 4

Written by John Chen    Thursday, 08 December 2005 11:00
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Test Setup and Overclocking

Overclocking:

Overclocking Nvidia video cards is a very easy task.  Simply go to Google and search for "coolbits".  Coolbits is a registry hack that opens up the overclocking option within Nvidia drivers.  It displays the core and memory frequencies and allows automatic or manual overclocking options.  With no cooling fans blowing at the Silent-Pipe II 6600 GT, the automatic overclocking feature pushed the card to a nice 518MHz for the core and 841MHz for the memory.  The headroom for the core did not seem all that much, but since it is passively cooled, the result is understandable.  The memory headroom was the surprising part; it was able to run 41MHz past the theoretical limit.  After spending some time manually overclocking the video card and testing for artifacts via 3DMark03 and 3DMark05, I settled at a very nice result of 590MHz/855MHz.  The GPU sure had more power!  Remember, this is all passively cooled. 

Testing Setup and Methods:

  • AMD Athlon 64 3000+ (9 x 310HTT = 2.79GHz)
  • DFI NF4 SLI Infinity
  • 2 x 1GB OCZ Platinum PC4000 EB (310HTT w/ 166 divider = ~254MHz 2.5-3-2-6)
  • SilverStone ST60F
  • Cooler Master Hyper 6+
  • Windows XP Pro w/ SP2 and DirectX 9.0c
  • Nvidia nForce4 AMD 6.70
  • Nvidia ForceWare 81.85
  • ATI Catalyst 5.10

Benchmarks:

  • Chronicles of Riddick: Escape from Butcher Bay (OpenGL)
  • Doom 3 (OpenGL)
  • Far Cry (DirectX)
  • Unreal Tournament 2004 (DirectX)
  • Quake 3 (OpenGL)
  • 3DMark03 (DirectX)
  • 3DMark05 (DirectX)

Video Cards Tested:

  • ATI Radeon X800XT
  • ATI Radeon X800XL
  • PowerColor Radeon X800 GT
  • Gigabyte Silent-Pipe II Geforce 6600 GT