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Lt. Commander
Join Date: Dec 2007
Posts: 120
# 6
02-05-2010, 04:15 PM
Here is some explaination. The UI is a seperate element that is rendered as a layer on top of what ever else is going on in game. So it will take up gpu processing time just like any other element in game. This is a very logical explanation of why you noticing this fps difference.