best card to use as a dedicated physx card

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Kaitlin Kaschak459

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Aug 4, 2013
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ok so i have a pc i got for cheap used and it came with a 750TI GPU as well as a 475 watt power supply. and in the pc purchase i also snagged a few low end graphics cards for free

8600gtx,7600gtx and i was thinking of using one of thoes 2 cards as a dedicated physx cards just for fun. now i know alot of u will tell me the 750ti is a beat of a card but i just want a dedicated physx card for some of the games i play as my cpu isnt as powerful and i cant afford to upgrade the cpu

any ideas on what card is best as a dedicated physx card that doesnt require external power
 
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First of all, nonsense, a dedicated PhysX card can help significantly in demanding GPU accelerated PhysX games, like Borderlands or Batman, particularly when used to assist a mid-range card like the GTX 750 Ti.

Your issues are: the age and power of the cards you have on hand, and the strength of your power supply. If you are on Windows 10, those cards do not have full driver support. In terms of your power supply, it is barely enough for one card, let alone two.

The best advice is to try it and see, since you have the cards on hand. As a rule of thumb, you could see as much as a 25% boost in demanding games, provided everything comes together and works well together.
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MarkW

MarkW

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Dec 7, 2009
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A dedicated physics card only does Physics. The physics processing is in hardware (in the GPU), but does not seem to benefit much from faster GPU speeds. Best I can understand it, the GPU will send the physics calls to whichever card you want it to use for that, but then the GPU kind of sits there waiting on the other card to complete the physics work.

From my understanding, based on testing by multiple users over the past few years, they have benefitted anywhere from 0% to 3% in games that do use physics vs not having the dedicated physics card in the system. As a result, most of those people said it was not worth having the dedicated physics card in their system.
 
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17seconds

17seconds

Champion
Jul 27, 2010
10,584
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First of all, nonsense, a dedicated PhysX card can help significantly in demanding GPU accelerated PhysX games, like Borderlands or Batman, particularly when used to assist a mid-range card like the GTX 750 Ti.

Your issues are: the age and power of the cards you have on hand, and the strength of your power supply. If you are on Windows 10, those cards do not have full driver support. In terms of your power supply, it is barely enough for one card, let alone two.

The best advice is to try it and see, since you have the cards on hand. As a rule of thumb, you could see as much as a 25% boost in demanding games, provided everything comes together and works well together.
 
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