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Dedicated PhysX card, 9600gt

post #1 of 14
Thread Starter 
I have never used a dedicated physx card but am thinking of trying it out considering i have a BFG 9600gt sitting in my desk collecting dust. I have a few questions I'm a little fuzzy on though after doing research.

1. Is a 9600gt worth using as a physx card?
2. Will it be bottlenecked in a x4 pci-e slot?
3. Is the performance gain worth the extra power consumption?
post #2 of 14
It's not worth it if most of your games don't use PhysX. I doubt it'll be bottlenecked in the 4x slot if it's only doing PhsyX calculations by the way
post #3 of 14
Quote:
Originally Posted by Silentsoul_600 View Post
I have never used a dedicated physx card but am thinking of trying it out considering i have a BFG 9600gt sitting in my desk collecting dust. I have a few questions I'm a little fuzzy on though after doing research.

1. Is a 9600gt worth using as a physx card?
2. Will it be bottlenecked in a x4 pci-e slot?
3. Is the performance gain worth the extra power consumption?
1. Sort of
2. Not at all
3. Yes and no, few games actually use physX so its up to you.
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post #4 of 14
Quote:
Originally Posted by Silentsoul_600 View Post
I have never used a dedicated physx card but am thinking of trying it out considering i have a BFG 9600gt sitting in my desk collecting dust. I have a few questions I'm a little fuzzy on though after doing research.

1. Is a 9600gt worth using as a physx card?
2. Will it be bottlenecked in a x4 pci-e slot?
3. Is the performance gain worth the extra power consumption?
1. More likely not worth it than worth it. Its number of shaders is probably just enough to make a difference (and not slow down the main card). Take a look at the graph below. I reckon your 9600GT sits right between a 8600GT and a GT240.
2. No
3. Any performance gain is worth the extra power. The 2 are basically linked.

But since you already have the card, the best and only way is to actually try it. One of the most demanding Physx Benchmark demo test is Mafia II. Use the card to see the performance gain first hand yourself.

Edited by windfire - 3/2/11 at 7:36pm
post #5 of 14
Thread Starter 
Quote:
Originally Posted by LiFTed View Post
It's not worth it if most of your games don't use PhysX. I doubt it'll be bottlenecked in the 4x slot if it's only doing PhsyX calculations by the way
I do play some a few games that use physx, So in a game without a physx engine it basically ignores the other video card is there entirely?
post #6 of 14
Thread Starter 
Quote:
Originally Posted by windfire View Post
1. More likely not worth it than worth it. Its number of shaders is probably just enough to make a difference (and not slow down the main card). Take a look at the graph below. I reckon your 9600GT sits right between a 8600GT and a GT240.
2. No
3. Any performance gain is worth the extra power. The 2 are basically linked.

But since you already have the card, the best and only way is to actually try it. One of the most demanding Physx Benchmark demo test is Mafia II. Use the card to see the performance gain first hand yourself.
True, i see in your picture that the 8600gt actually bottlenecked the gtx to below the single card.
post #7 of 14
Quote:
Originally Posted by Silentsoul_600 View Post
I do play some a few games that use physx, So in a game without a physx engine it basically ignores the other video card is there entirely?
Yes.
When a game does not use Physx, the Physx card just sits there.
Similarly, when you browse the net, the Physx card does nothing.

When a 9600GT idles, it consumes roughly 35W, which is basically nothing. It is just half of what a typical 60W light bulb. So, I think the consideration is not of the power usage but rather whether or not the 9600GT can actually contribute a noticeable gain in framerate. So, once again, I say: try it out.
Edited by windfire - 3/2/11 at 7:45pm
post #8 of 14
Thread Starter 
Quote:
Originally Posted by windfire View Post
Yes.
When a game does not use Physx, the Physx card just sits there.
Similarly, when you browse the net, the Physx card does nothing.

When a 9600GT idles, it consumes roughly 35W.
Yeah from what i read its around 90-100w max 3d load but i assume that is less with just physx?
post #9 of 14
Nothing wrong running a GPU on x4 mode, unless you bench
    
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post #10 of 14
I tried a 9600gt. Really made no difference. Card may not have been strong enough.
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