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PhysX letdown. GTX260 core 216 & 8800GT

post #1 of 7
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My brother and i were just playing around with different video card setups, and we were surprised to find out that running my brothers 8800GT as a physx card with my GTX260 actually made my 3dMark score WORSE by ~100. There were a few points in the video where i know the fps was actually lower as well. Has anyone else had the same results?

I was also surprised to find out that my 896mb GTX260 (i just got it a couple days ago) hasent seemed to run games too much better than my bro's 512mb 8800GT... kind of disappointing for the price difference
Edited by Phantez - 12/25/08 at 2:32am
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post #2 of 7
Erm all you are doing is directing the data which could normally all go to one PCI bus to another instead.

So it has to travel to the GTX260 and the 8800GT hence slower.

Besides, what is it with people and using a seperate card for Physics. ITS POINTLESS! It does not improve anything, all it does is add more stress on the Motherboard which is feeding all that data through the PCI bus.

A single GTX260 on its own can handle PhysX without the aid of anything else.
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post #3 of 7
Quote:
Originally Posted by Phantez View Post
I was also surprised to find out that my 896mb GTX260 (i just got it a couple days ago) hasent seemed to run games too much better than my bro's 512mb 8800GT... kind of disappointing for the price difference
Itshould be a difference it games that are either very demanding, or at (and over) 1680*1280 resolution with very high details.
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post #4 of 7
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Quote:
Originally Posted by The_Rocker View Post
Besides, what is it with people and using a seperate card for Physics. ITS POINTLESS! It does not improve anything, all it does is add more stress on the Motherboard which is feeding all that data through the PCI bus.
I've heard it doesnt do much and i didnt have high hopes for it. We were just bored and playing around with different setups that we havent tried before. I was just surprised that it actually made it worse rather than at least staying the same
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post #5 of 7
Quote:
Originally Posted by The_Rocker View Post
Erm all you are doing is directing the data which could normally all go to one PCI bus to another instead.

So it has to travel to the GTX260 and the 8800GT hence slower.
would that be that same for any Nvidia dedicated PhysX card. because i was thinking of doing a similar thing if PhysX becomes more mainstream. i would keep it in there for folding anyway .
post #6 of 7
lol.... i was about to chuck an 8800gt in with my 260 just for kicks, but i wont bother now.....

i have seen an improvement with an 8600gt running physX on here though
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post #7 of 7
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Quote:
Originally Posted by dragosmp View Post
Itshould be a difference it games that are either very demanding, or at (and over) 1680*1280 resolution with very high details.
I play a lot of iRacing, and with my 8800gt while racing the trucks at daytona, by myself the lowest fps i had was ~50, and in a field of cars it got as low as ~18fps. Are u saying that with this gtx260 i wont see as large of a drop in fps a crowded field of cars, but it'll run close the same when im by myself?
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