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Power consumption
With each of the graphics cards installed and running, I used a watt meter to measure the power draw of our test systems. The monitor was plugged into a separate power source. The cards were tested at idle in the Windows desktop and under load while running our Doom 3 "heat haze" demo at 1280x1024 with 4X AA. We have different power supplies than we used for our GeForce 6600 GT review, so I retested all the cards.

The X700 XT consumes a little more power than the GeForce 6600 GT when running at full tilt.