Eric, the only hardware boost you get from a graphics card that supports CUDA is listed below. Thats it.
What does Premiere Pro accelerate with CUDA?
Here’s a list of things that Premiere Pro CS5 and later can process with CUDA:
some effects
scaling
deinterlacing
blending modes
color space conversions
Tom Daigon
PrP / After Effects Editor
http://www.hdshotsandcuts.com
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