Power-draw, and temps
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Significantly better idle and load temperatures bring the card into GeForce temperature territory - handily beating out reference-equipped Radeon HD 4850 and HD 4870s. XFX's cooler works, and works well.
Power
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Measured at the mains via a watt-meter, load power-draw is defined as running 3DMark06 at 1,920x1,200 at 4xAA and 16xAF. The XFX's performance is similar to the default-clocked card's, which is what we'd expect.