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Using a GTX 680 as a dedicated physx card

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  • Graphics
  • Graphics Cards
  • Physx
  • Nvidia
Last response: in Graphics & Displays
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September 1, 2013 8:58:04 AM

I have a GTX 780, can I use a GTX 680 as a dedicated physx card?

More about : gtx 680 dedicated physx card

September 1, 2013 9:04:25 AM

Yes you can. But the GTX 680 is a high end card. You must have a good power supply and fairly good cooling to run those two.

You might as well sell the GTX 680 and buy something like a used GTX 660 to do the PhysX processing.

Also, you must consider if you will really benefit from the added card. If you will be playing lots of games with PhysX, then you're good, else you will have a card that will be only heating up your case.

The GTX 780 is a really good GPU. You should try enabling PhysX on it. I doubt the frame rate drop will be big.
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September 1, 2013 11:10:48 AM

What PhysX games do you play?

The GTX 680 would pair nicely with the GTX 780, but only if you are playing PhysX games, and only if your performance is not in a smoothly playable range already.
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September 1, 2013 11:37:47 AM

780 won't have any trouble running a bit of Physx, better to just sell the 680.
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September 1, 2013 4:24:54 PM

I tried playing Batman Arkham City on my GTX 780 and it got a crappy frame rate.

So I checked to see if the GTX 680 could be used as a dedicated Physx card.
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September 2, 2013 7:46:00 AM

NevJF said:
I tried playing Batman Arkham City on my GTX 780 and it got a crappy frame rate.

So I checked to see if the GTX 680 could be used as a dedicated Physx card.



A mid range card is enough to max out Arkham City. Its likely some other things that is causing a low frame rate. Make sure you have they latest drivers of everything in your computer.
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Best solution

a c 678 U Graphics card
a c 468 Î Nvidia
September 2, 2013 8:27:57 AM

NevJF said:
I tried playing Batman Arkham City on my GTX 780 and it got a crappy frame rate.

So I checked to see if the GTX 680 could be used as a dedicated Physx card.


If you already have a 680 laying around, then put it in as a PhysX card. For a 780, that's probably one of the best cards to use, but I have seen tests with a GT650 doing very well in a system with a 680 as primary. So, I would say a 660 would be the minimum.

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October 1, 2014 10:36:22 PM

17seconds said:
NevJF said:
I tried playing Batman Arkham City on my GTX 780 and it got a crappy frame rate.

So I checked to see if the GTX 680 could be used as a dedicated Physx card.


If you already have a 680 laying around, then put it in as a PhysX card. For a 780, that's probably one of the best cards to use, but I have seen tests with a GT650 doing very well in a system with a 680 as primary. So, I would say a 660 would be the minimum.



I just sold one of my GTX 770s and currently waiting for EVGA's classified GTX 980. Would my leftover GTX 770 be perfect as a dedicated physX card?

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a c 678 U Graphics card
a c 468 Î Nvidia
October 2, 2014 7:17:58 AM

Masterhashbrown said:
17seconds said:
NevJF said:
I tried playing Batman Arkham City on my GTX 780 and it got a crappy frame rate.

So I checked to see if the GTX 680 could be used as a dedicated Physx card.


If you already have a 680 laying around, then put it in as a PhysX card. For a 780, that's probably one of the best cards to use, but I have seen tests with a GT650 doing very well in a system with a 680 as primary. So, I would say a 660 would be the minimum.



I just sold one of my GTX 770s and currently waiting for EVGA's classified GTX 980. Would my leftover GTX 770 be perfect as a dedicated physX card?


Give it a try. That's the best way to find out. I think you'll find that the heat, noise, and extra power consumption may make it not worth the performance gain.
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