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Which solution is best for PhisX?

Forum Graphic & Displays : Nvidia - Which solution is best for PhisX?

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Fastguy   04-09-2009 at 04:07:49 PM

Hallo to all,

my name is Andrea and I'm writing from Italy (where mine is a boys' name ;) ).

I just bought the hardware to build my new PC and I want to "frankenstein" a bit with my girlfriend's and my current rig to build a better machine for her too.

In essence my new PC will be based on i7 920 on an Asus P6T with 6 Gb of good RAM and Vista Ultimate 64. Oh, yes, I also treated myself to a Gainward GTX 295 although I don't think I will really squeeze her at the 1680x1050 of my 22" monitor, but that baby is just too sexy... :love:

Among the two "donor" PCs, I have two VGA left, one GTX260 and an 8800GTX, and I was wondering if it would make sense to use one to deal with Phisx on my new rig and put the other into my girlfriend's PC... wouldn't it?

Or shall I leave the 295 or the i7 to do the job without adding another VGA to the system? The case is big and well ventilated and a Corsair 850W PSU would still make it, so the answer is really only in terms of benefits (or the lack of them).

What do you think?

1) let the 295 do all the job;

2) add the 8800GTX (or the 260, if advisable for whatever reason -heat, energy consumption-, since my girlfriend does not play with the PC) for Phisx,

3) put the burden of Phisx onto the shoulders of the CPU.

Thanks for your input and thoughts, PLU (and having fun!).

Ciao,

Andrea

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coozie7   04-09-2009 at 05:31:40 PM
- 0 +

IAFAIK PhysX does n`t need that much power to run and few games support it anyway so I`d let the 295 do all the work, give the 8800 to the girlfriend and E-bay the GTX260 while it`s still worth something.

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werxen   04-09-2009 at 07:21:23 PM
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for sure i agree with that - though not so much about the PhysX requiring little power to run. i have seen drastic differences between games that have physx on and off with multiple gpus.

------------------------------ E8500 oc'd 4.5 @ 1.44 vcore with 92mm Zalman
ATI 4850 oc'd 680/1158 with aftermarket Zalman
Asus P5Q Pro mobo
2 gigs 800 Corsair ram @ 4-4-4-12
Reply to werxen
coozie7   04-09-2009 at 07:28:56 PM
- 0 +

Then I stand corrected, werxen.
Perhaps putting the 260 into the `main` computer as a dedicated PhysX card would be a better idea than E-baying it, as I at first said. That way fastguy can use it as a test by enabling/disabling PhysX and seeing if he needs to use the card in this role.

Reply to coozie7
Fastguy   04-09-2009 at 10:15:21 PM
- 0 +

Thanks guys! Would I need to install the drivers for both the 295 and the 260 to try what Coozie says in his second reply?

Keep the good job up!

Ciao ;)

Message quoted 1 times
Reply to Fastguy
pinaplex   04-09-2009 at 10:43:45 PM
- 0 +

Fastguy wrote :

Thanks guys! Would I need to install the drivers for both the 295 and the 260 to try what Coozie says in his second reply?

Keep the good job up!

Ciao ;)



Just install the nvidia drivers once, it will pick up both cards since the driver is universal.

btw, what resolution are you running at? if it's 1920x1200, then a 295 and a 260 is a bit of overkill. right now, I have a GTX295 doing all the work including physx, and i'm getting great framerates in my games. I have a spare 8800gt that i might use as a dedicated physx card in case the GTX295 starts to get stressed by a physx game for some reason.

Reply to pinaplex
coozie7   04-09-2009 at 10:49:02 PM
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The latest Nvidia drivers all supply a PhysX package as part of the download and default installation.
As far as I know, once installed, the PhysX component can be configured to use a card as a dedicated PhysX acellerator, exactly what you ant to do, fastguy.

Reply to coozie7
coozie7   04-09-2009 at 10:50:42 PM
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How I hate being pipped at the post.

Reply to coozie7
IzzyCraft   04-09-2009 at 11:13:26 PM
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coozie7 wrote :

IAFAIK PhysX does n`t need that much power to run and few games support it anyway so I`d let the 295 do all the work, give the 8800 to the girlfriend and E-bay the GTX260 while it`s still worth something.


This + one last step but something like a 9500GT or 9600gso or something to off run the physx something that doesn't need a 6 pin

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