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post #11 of 37
Quote:
Originally Posted by pioneerisloud;13274685 
SLI 570's can easily handle PhysX too. So SLI. Although a Phenom II quad won't handle 570 SLI all that well, even at 4.0GHz.

Good advice, you get a rep from me! yessir.gif
 
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post #12 of 37
Quote:
Originally Posted by venomblade View Post
Don't worry my new rig will have a 2500k...but also something i'd like to add, from a money standpoint it would be awhile before i could get enough for another 570 to SLI, would it be worthwhile to have a dedicated physx card in the meantime or would that just be a waste of money that could be put towards the new 570?
Unless you get some screaming deal like a 9800GT NIB for $25, I would recommend never buying a physX card ... there's just not enough games that use physX to start with ... and most of the one's that do exist, your 570 will be able to max out and still handle the physX duties with ease.
    
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post #13 of 37
Thread Starter 
Quote:
Originally Posted by pioneerisloud View Post
It depends. Do you only play Metro 2033, Mafia II, Just Cause 2, or Unreal 2003? Those are the only games (off the top of my head, there's like maybe 2 more) that support PhysX fully.

If you already HAVE say an 8800GT or stronger card, then it wouldn't hurt to use it. I wouldn't spend the money on a card dedicated for PhysX though. Not when your 570 will already do it fine.
I play metro but not enough to want a PhysX card for it, i see...my friend has an old 9600t lying around somewhere i guess that'd suffice. I just wonder if PhysX will become more of a norm later down the road.
post #14 of 37
Quote:
Originally Posted by pioneerisloud View Post
It depends. Do you only play Metro 2033, Mafia II, Just Cause 2, or Unreal 2003? Those are the only games (off the top of my head, there's like maybe 2 more) that support PhysX fully.
I think you meant to say Batman AA not JC2
    
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post #15 of 37
^As above says...

You'd want to use dedicated PhysX if you have an unused Nvidia card laying around that supports it. Unless you're willing to spend the money for the said games that support PhysX...it's best to just save and get the second GTX570.

Another note...there's also a possibility that SLI won't be used to it's full potential if the second card is going to be used for some of the PhysX calculations. The very best option would be to SLI the GTX570 and also have a dedicated PhysX card if you play many of the games that supports it.
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post #16 of 37
Quote:
Originally Posted by venomblade View Post
Don't worry my new rig will have a 2500k...but also something i'd like to add, from a money standpoint it would be awhile before i could get enough for another 570 to SLI, would it be worthwhile to have a dedicated physx card in the meantime or would that just be a waste of money that could be put towards the new 570?
I say stick with one 570 for the meantime. There really isn't anything it can't handle at 1080(besides metro). If you really think you need more fps after that then get another. By that time though Kepler will be even closer.
 
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post #17 of 37
Dedicated PhysX card really needs a 9800GT/GTS 250/GTS 450 level card when paired with a GTX 570. A slower PhysX card like a 9600GT will be slower than running PhysX on a 570.

A dedicated PhysX is not really worth it. You will see much more performance-per-dollar with another 570 for SLI.
post #18 of 37
Quote:
Originally Posted by brettjv View Post

Believe it or not, for my rig, I prefer to play Mafia 2 with my SLI set split and dedicated physX on one card. However, Mafia 2 is a very special case in that there's an extra benefit to having an actual dedicated physX card. Any other case ... I totally agree with you
Well mafia 2 isn't a demanding game in truth in terms of graphics quality.
Its a DX9 game, and even older GPUs can handle it pretty well.

Physx on SLI without dedicated, will load physx on the CPU as well, so that is why you get lower results. Your CPU cause that.

But how much do you actually benefit from spliting the SLI?
Also, as the OP thinks about 570s, they will most likely handle the physx better than a couple of 470 imo.
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post #19 of 37
Quote:
Originally Posted by Riou View Post
Dedicated PhysX card really needs a 9800GT/GTS 250/GTS 450 level card when paired with a GTX 570. A slower PhysX card like a 9600GT will be slower than running PhysX on a 570.

A dedicated PhysX is not really worth it. You will see much more performance-per-dollar with another 570 for SLI.
Yes, It'd be better to just have a 570 for PhysX alone than to add a weak PhysX card. I believe it'd slow you down actually
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post #20 of 37
Quote:
Originally Posted by brettjv View Post
I think you meant to say Batman AA not JC2
No, Just Cause 2 has PhysX effects too. I forgot about Batman AA and Mirror's Edge though. Those were the 2 I was forgetting.

And I lost my 1337 in this thread.

EDIT:
And no, I wouldn't suggest a 9600GT for a PhysX card with a 570. The 570 will handle it better on its own. You'd want at LEAST a GTS250, 8800GTS 512, 9800GTX or higher.
Edited by pioneerisloud - 4/25/11 at 11:29pm
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