GTX 570 1.25GB vs 2.5GB Power Usage

Hello,

I just had a quick question I couldn't find the answer to. Will the 1.25GB version of the GTX 570 use the same amount of power as the 2.5GB? My guess would be that they are identical up to the 1.25GB of VRAM usage mark, but if the 2.5GB version is under full load, I am not sure if it would use more.
Thanks in advance!
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  1. There would be a minuscule difference between the two. A few watts at best.
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