Overclockers New Zealand has posted a review on Compro Poladyne GeForce FX 5800 VGA.

Overclocking is carried out with default cooling, e.g. stock HSF and thermal grease. The highest working speed is 520Core/1000Memory. I was not able to push the any higher without random lock ups. This is pretty impressive overclocking, a 120MHz increase for the GPU. At this speed, Compro GF:FX 5800 is faster than a stock GF:FX 5800 Ultra

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