TwinTech and Vvikoo overclocked 9600GT, 5-way roundup

Videocards/VGA Reviews by geoffrey @ 2008-05-19

For quite some time now NVIDIA has allowed their partners to sell their reference products at overclocked speeds with a custom VGA cooler. Today we take a look at two of such none-reference clocked 9600GT video cards, one from newcomer Vvikoo and one from last year startup, TwinTech. We´ll investigate how the extra clocks make the product stand out compared to 3 other samples we have tested before.

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TwinTech 9600GT XXT

Inside the box

Madshrimps (c)

  • TwinTech 9600GT 512MB XXT
  • DVI -> Sub-D VGA adapter
  • Video out cable
  • Video out -> S-Video & Component adapter cable
  • 6-pin PCIe to molex power cable converter
  • Driver CD and user's manual


    Madshrimps (c)

  • NVIDIA 65nm G94-A1 core
    - core clock: 700MHz
    - shader clock: 1750MHz
  • Samsung 512Mb (8x64Mb) GDDR3 with 256 bit interface (0,8ns)
    - Memory clock: 1100MHz
  • active heatpipe and fan cooled, dual slot aluminium and copper solution
  • 2x Dual Link DVI
  • native HDMI support
  • TV-out
  • Integrated HDTV decoder
  • 2-way SLI ready
  • PCI-Express 2.0 16x
  • Dimensions: 20,5cm x 11cm

    Closed-up pictures

    The TwinTech 9600GT is a compact yet dual slot videocard, it comes with a TwinTech custom PCB and measures few centimetres shorter then the reference model. On front of the card we notice two dual-link DVI-I connectors and a video-out connector. Twintech has also added a ventilation hole although that the heatsink isn't really designed to guide heated air in that direction.

    Madshrimps (c)

    The card comes with a sidebar which protects the card from bending; it also improves the looks of the product when looking sideways onto it. Next to it you'll spot the 6-pins power connector which is still mandatory regardless the PCB you use.

    Madshrimps (c)

    The heatsink is a combination of a copper core and heatpipes with aluminium cooling fins. Two heatpipes extract the heat from the GPU and spread it well out over the whole cooling surface. Overall it looks pretty well designed, off course we still have to see if it is any good, but that's for later.

    Madshrimps (c)

    The TwinTech custom 9600GT PCB. Here, the GPU voltage regulator is located left instead of right, hence the reasoning why TwinTech was able to reduce the length of the card with around 25mm.

    Madshrimps (c)

    Madshrimps (c)
    Samsung K4J52324QE-BJO8 random access memory, Twintech used these low latency chips in order to boost the memory clock speed. TwinTech's card has 0,8ns DRAM where Vvikoo's card comes with 1,0ns chips. These chips can also be found on the 9800GTX.
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    Comment from Massman @ 2008/05/19
    Love it, great work Geoff!