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question about a 3rd card used for physics - Page 2

post #11 of 16
Idk but I have 3 gtx260s but only use 2 for my Lan PC.. Not much of a different from 3 to 2. But then again that old gtx260s..
post #12 of 16
Going from 2 to 3 is about 6 to 10 fps for me .
post #13 of 16
Thread Starter 
Quote:
Originally Posted by mcg75 View Post

That's true but those x8 lanes are pcie 3.0 meaning they are just as fast as x16 pcie 2.0

I can't see them bottlenecking you in any way.

You should fill out your rig information as it will help other to help you knowing what other parts you are running.

After researching further into it I found that a x16 lane will only give about 2fps over a x8 lane....I always thought it was a drastic difference...thanks for the tip.
post #14 of 16
Do you even play any of the like 20 games that even have physx? If not then your totally wasting $500 getting a 780 for physx, and your wasting your electricity.

http://en.wikipedia.org/wiki/List_of_games_with_hardware-accelerated_PhysX_support

Should note only 8 titles in 2013, 7 in 2012, and the rest are so old like a GTX 760 would run them and the physx perfectly.

And to answer your PCIE lane question, In the past 6 months ive had 4 different boards, an ASRock Z77 OC Formula (x8/x8), Maximus VI Formula (x8/x8) a maximus Vi Extreme (x16/x8) and a Sabertooth X79 (x16/x16) and with twin 290x's which use the PCIE lanes for crossfire bridge as well as regular data, and a large memory bus, literately no changes in performance or benchmark scores between any of the boards.
Edited by ShortySmalls - 3/31/14 at 9:35pm
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post #15 of 16
Thread Starter 
Its more of a hobby for me to build the best PC I can...I play maybe 6 hours a week...and its usually bf4 or titanfall now.

I have more fun trying to squeeze a higher oc or better benchmark scores than actually playing games. Or I would have built a $1,500 "good enough" machine...to each there own.

I just spent the cash on more water cooling gear and a 900d to fit it in. But I'll be watching the sales for a new motherboard for sure.
Edited by streetsports - 4/1/14 at 5:37pm
post #16 of 16
Nice I don't even play games anymore. So I don't even use my man PC anymore
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