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Would I lose performance is I moved the second card up a slot?

post #1 of 3
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I have two gtx 480's and they are configured where one is in the first PCI-E slot and the second card is in the third. If I move the second card up will I lose performance, my motherboard is an asus rampage extreme iii. I heard something about if I put them together it would be a 16x/8x configuration and not a 16x/16x configuration or something like that.

I just dont have much room for a sound card.
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post #2 of 3
You will see a difference of maybe 4 or 5fps tops from going 16x16 to 16x8.
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post #3 of 3
Quote:
Originally Posted by fenderlove0` View Post
I have two gtx 480's and they are configured where one is in the first PCI-E slot and the second card is in the third. If I move the second card up will I lose performance, my motherboard is an asus rampage extreme iii. I heard something about if I put them together it would be a 16x/8x configuration and not a 16x/16x configuration or something like that.

I just dont have much room for a sound card.
Yes, according to page 2-28 of the User Manual (see pic 1 below), if you move the second GTX480 card one slot up, you will run the 2 cards in x8/x8, from a previous x16/x16.

However, the performance loss at your resolution 1920x1080 is about 2%. See pic 2 below. So, if it was 100fps before, you will 98fps. If it was 40fps before, you will see 39.2fps. Not much difference. So do not worry about the performance loss.

Just go ahead to add a sound card.

Reference link:
http://www.techpowerup.com/reviews/N...caling/25.html

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