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Adding a PhysX card to 2 x HD6950s? - Page 3

post #21 of 53
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Quote:
Originally Posted by drBlahMan View Post
Thanks for the link! I shall have a read now. One question, if I put this new card in and dedicate it to PhysX, is that all it does? Just purely dedicated to it? ALso will I see an increase in a test such as 3DMARK11?
post #22 of 53
Quote:
Originally Posted by Dysheeki View Post
One question, if I put this new card in and dedicate it to PhysX, is that all it does? Just purely dedicated to it?
It will only be use for physX. I'm using a 9800GT for physX w/a 6870 (see sig ) and it works just fine.

Quote:
Originally Posted by Dysheeki View Post
Also will I see an increase in a test such as 3DMARK11?
Can't answer that...I'm not a benchmarker
post #23 of 53
Thread Starter 
Quote:
Originally Posted by drBlahMan View Post
It will only be use for physX. I'm using a 9800GT for physX w/a 6870 (see sig )
I think it was seeing it in your sig on another post that made me look inot it and then saw that other people are using them too and thought I must be missing out on something! So in a way it's all your fault!

The 3DMARK score isn't important to me at all was just wondering...
post #24 of 53
Quote:
Originally Posted by Dysheeki View Post
So in a way it's all your fault!
...That's why I'm all ready for play some Batman Arkham City today
post #25 of 53
Thread Starter 
Quote:
Originally Posted by drBlahMan View Post
...That's why I'm all ready for play some Batman Arkham City today
Yep Arkham City no need to say anymore! Job done. I'm going to order a card today. Just need to find which card and at the right price.. :
post #26 of 53
Quote:
Originally Posted by Dysheeki View Post
Right! So there is an option in the Nvidea software to dedicate the card to just PhysX. The GTS450 retails for about 75GBP so I can see. Is that definitely the card to get and will it run smoothly next to the 6950s?
No, actualy in Hybrid configuration, such options are not available in NV Panel as in SLI configuration. Install Forceware, Install PhysX SS, run the PhysX patch. DONE. Simple.

For 2 6950 in crossfire, an ideal PPU is 470. If Quad-Fire a GTX 580 is the best. You could use GTX260 and it will still work but it will drag thewhole FPS down.
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post #27 of 53
The 9500GT is not nearly powerful enough to keep those two cards up PhysX wise. I run a GTS450 and it seems to run fine
post #28 of 53
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Quote:
Originally Posted by Ken1649 View Post
No, actualy in Hybrid configuration, such options are not available in NV Panel as in SLI configuration. Install Forceware, Install PhysX SS, run the PhysX patch. DONE. Simple.

For 2 6950 in crossfire, an ideal PPU is 470. If Quad-Fire a GTX 580 is the best. You could use GTX260 and it will still work but it will drag thewhole FPS down.
GTX 470.. Thats a bit more than I wanted to spend really but there's no point getting something thats going to reduce the FPS.. I've been reading a bit more on the whole thing this afternnon while at work, am going to make a decision tonight. Thanks for the input though
post #29 of 53
Quote:
Originally Posted by InerTia* View Post
The 9500GT is not nearly powerful enough to keep those two cards up PhysX wise. I run a GTS450 and it seems to run fine
GTS450 + 2x 5770?

Should try GTS450 + 2x 6950 or GTS450 + 2x 6990

Quote:
Originally Posted by Dysheeki View Post
GTX 470.. Thats a bit more than I wanted to spend really but there's no point getting something thats going to reduce the FPS.. I've been reading a bit more on the whole thing this afternnon while at work, am going to make a decision tonight. Thanks for the input though
You could get away with GTX460 and overclock it a bit will be better than stock.

Let me know if you need more info.
Edited by Ken1649 - 10/18/11 at 8:50am
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post #30 of 53
Quote:
Originally Posted by Dysheeki View Post
Thanks for the link! I shall have a read now. One question, if I put this new card in and dedicate it to PhysX, is that all it does? Just purely dedicated to it? ALso will I see an increase in a test such as 3DMARK11?
You could also use it for F@H when you're not gaming on it, or if the game you're playing doesn't support PhysX.

Quote:
Originally Posted by Ken1649 View Post
GTS450 + 2x 5770?

Should try GTS450 + 2x 6950 or GTS450 + 2x 6990

You could get away with GTX460 and overclock it a bit will be better than stock.

Let me know if you need more info.
Yeah, unfortunately that seems to be the catch-22 of PhysX cards: they don't have to powerful, but they do need to be fast. A 470 is overkill for PhysX calculations, but is needed if you want an actual FPS *increase* when paired with powerful cards. If you're fine with losing a couple fps to get the extra eye-candy of PhysX, then I think you'd be fine with a cheaper card, and worth it IMHO. (I'm looking into getting a GTS 450 as well).

As long as you're aware that there are only about a dozen games that utilize PhysX.

EDIT: Here's a look at how different 400-series cards perform when paired up with a single 6970 or 6870 in Mafia II, which seems to have become the standard PhysX benchmark since it seems to use PhysX the heaviest. The page is in the German, but the graph is in English. http://www.tomshardware.de/Colorful-...-240770-6.html
Edited by jetpak12 - 10/18/11 at 9:14am
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