GT220 PhysX Qustion

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JD88

JD88

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Feb 25, 2013
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I haven't really read much on this so I thought I would ask around here.

I have an old rig that is running a GTX 560 ti 1gb.

In Planetside 2, my frames are dropping into the 30's with PhysX on (60's off) running mostly high settings.

I have an old 1gb GT 220 laying around and was wondering if that would work for a dedicated PhysX card.

How does bottlenecking work with PhysX? Would that help performance? Is there any situation where you wouldn't want to pair a lower end card with a higher end one?

For instance, if I paired the 220 as a Physx card with the 670 in my main rig would it be any different?

I would just pop it in and try it, but I'm out of town for the next month and don't have it with me.

Thanks.
 
Solution
SlitWeaver
Using an older card as a PhysX slave has only ever lead to performance increases for myself. My current rig has a GTX 660 with a GTS 450 as a PhysX slave.


"How does bottlenecking work with PhysX?"
As far as I know, there is no "bottlenecking," only performance increases in-game :)

"Would that help performance?"
Yes! :D

"Is there any situation where you wouldn't want to pair a lower end card with a higher end one?"
I honestly cannot think of one. If anyone else can prove otherwise, then I'll be glad to learn something new! :)

"For instance, if I paired the 220 as a Physx card with the 670 in my main rig would it be any different?"
While the FPS increase would probably be less dramatic than in your GTX 570 rig, you would still see an...
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SlitWeaver

SlitWeaver

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Using an older card as a PhysX slave has only ever lead to performance increases for myself. My current rig has a GTX 660 with a GTS 450 as a PhysX slave.


"How does bottlenecking work with PhysX?"
As far as I know, there is no "bottlenecking," only performance increases in-game :)

"Would that help performance?"
Yes! :D

"Is there any situation where you wouldn't want to pair a lower end card with a higher end one?"
I honestly cannot think of one. If anyone else can prove otherwise, then I'll be glad to learn something new! :)

"For instance, if I paired the 220 as a Physx card with the 670 in my main rig would it be any different?"
While the FPS increase would probably be less dramatic than in your GTX 570 rig, you would still see an FPS increase.
 
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mvitkun

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http://www.youtube.com/watch?v=cbww3dhzK0M
in this video you can see that a gtx 580 when paired with a 8600 GTS (significantly better than GT 220) lowers the fps.
the sweet spot is the GTS 450,GTX 550 (ti),GTX 650 (ti) those are cost effective and improve performance.

so I would say that your better off just using the 560 ti on it's own.
 
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JD88

JD88

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Interesting. It could vary based on game and also the fact that I'm using a 560ti that is already slower than the 580. I'll have to try it out and see what happens. I'll post my results in this thread.
 
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SlitWeaver

SlitWeaver

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Wow, this is really interesting to see! I'd like to see more testing with this (on more games, more card configurations, etc.). I'm eager to see OPs results as well.
 
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