PhysX Hybrid Setup

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leoweisman

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Feb 24, 2013
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So I have a Sapphire 7970 Ghz curently installed in my rig, and I play a lot of games that use PhysX, such as Borderlands 2 and Planetside 2. I'm currently running PhysX with my 3570k, but it is a bit slow at times. Would running a hybrid system with something like a GT 210 give me better performance for PhysX, or would I need a higher end Nvidia card to see performance benefits?

Thanks.
 
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firo40

firo40

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Jul 16, 2011
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I dont think you can use a physx card when using an AMD gpu as your primary display adapter. If you had a Nvidia gpu as your primary that would help although physx cards dont help by much newer gen cards can run physx at the same time as rendering the game with lil differance
 
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leoweisman

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Feb 24, 2013
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You definitely can, you can use the AMD card to render graphics and the Nvidia card to do PhysX stuff... you need modded drivers but its definitely possible... I'm just wondering if a cheap card like the GT 210 would perform better than running PhysX off my 3570k (I'm running it at stock, haven't OCed it yet but I assume OCing it would also improve PhysX performance?).
 
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leoweisman

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Feb 24, 2013
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That's what I was thinking, but I've heard things about PhysX being horribly inefficient when run on the CPU (like it only uses a single core or something), and although the 210 is quite old and weak, I was thinking that because it was designed for PhysX (whereas I assume the 3570k was not), it might perform better.
 
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17seconds

17seconds

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Jul 27, 2010
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The 210 is a terrible card for dedicated PhysX. The old Hybrid PhysX hack has not worked on any drivers over the past two years. You might get it to work, but you would have to use outdated drivers. I have heard of possible workarounds, but you would have to do some research, and then, that GT 210 would just slow you down. If you bump up to a current generation GT 640, then maybe.
http://physxinfo.com/wiki/Hybrid_PhysX
http://www.overclock.net/t/1307142/borderlands-2-with-hybrid-physx

The only real way to get PhysX running properly is with an Nvidia card. The CPU is unable to run it very well at all.
 
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