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Sapphire HD 5750 Vapor-X
Gaming on a budget
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Power Consumption & Temperatures

With two cards around the power consumption tests reveal some very accurate numbers of the actual power
draw of the cards. Here one can see a mere 20 W difference between a single card and crossfire setup on
idle, in load the difference is 110 W. The idle wattage follows Ati's specified 16/86 watts pretty closely,
but the 24 W difference under load sounds like a lot. Overclocking also increased the power draw by 10
watts under full load, and also bumped the core temperature up by five degrees.
Noise
On idle the fan on the Vapor-X cooler is very quiet, and so it should be as the card only uses some 20
watts of power. Under load it slowly ramps up, and becomes more clearly audible, but normally I still
wouldn't call the cooler loud. For the temperature tests we manually set the fan to run at 100% and at that
setting the sound of air rushing through the heatsink became disturbingly loud.
Additional Information

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