R9 290 in xfire + 560 with 13.12 nvidia drivers for physx

ZandaThebigbluePanda · Sep 18, 2014

Can i use a GTX 560 and my 2 R9 290's(in xfire) using the GTX 560 just for physx?
I'm planing to buy a GTX 560 as i have seen some very cheap ones.

My rig is as follows:
I7 4790k
R9 290 (in xfire)
16gb ddr3 ram
gigabyte gaming gt motherboard
corsair ax860w PSU

i7Baby · Sep 18, 2014

With 2 x 290's you won't need a separate PhysX GPU. They haven't been needed since the nVidia 4 series.

ZandaThebigbluePanda · Sep 18, 2014

i7Baby :

I know i don't "need" one but I want one, its like i don't need a usb butt plug but i really really want one.

i7Baby · Sep 18, 2014

OK buy one and fit it then. Butt plug boy lol.

ZandaThebigbluePanda · Sep 18, 2014

i7Baby :

sooooo your not a Linus tech tips guy... but can i add a 560 just for physx?

shogunofharlom · Sep 18, 2014

Unlike the other a**holes, I will try and give you a real answer.
I have a machine with a 7970 that I use for gaming and a Quadro 5800FX that I use for CUDA rendering and other operations. I own a few games that can use physX, Batman, Metro, etc. The performance has always been BAD! Like ... 10fps bad. When I turn phsyX off after the experiment the FPS go back up to 100+. The 5800 is based off of the GTX 285 chip. So it is (even by today's standards) ... pretty dang powerful. It is probably just marginally slower than the GTX 560 you are thinking of ... if not faster. It also has 4gb of vram. Save your money bro. If you already had the 560 I wqould say try it out, but dont buy one for a marginal technology. I hope this saved you some pain.

ZandaThebigbluePanda · Sep 18, 2014

shogunofharlom :

Thank you man, I was almost tempted to go to the tek syndicate forums.
I know of a place where i can get a $60 gtx 560, would that be worth it?

shogunofharlom · Sep 18, 2014

ZandaThebigbluePanda :

shogunofharlom :

Thank you man, I was almost tempted to go to the tek syndicate forums.
I know of a place where i can get a $60 gtx 560, would that be worth it?

Go over to tek and ask them too. But I would save my money and go and buy a good game for those 290s.

Novuake · Sep 18, 2014

The driver that allowed you to run a dedicated Nvidia PhysX card with an AMD main graphics card has long since been fixed in newer version of Nvidia drivers.

So yes, you CAN do it, HOWEVER this will force you to run a very old driver version, which creates its own issues and incompatibilities.

If you wanted PhysX, you really should have gone with an Nvidia GPU.

Novuake · Sep 18, 2014

Lets keep the name-calling to a minimum(more accurately, NONE at all).

ZandaThebigbluePanda · Sep 18, 2014

Novuake :

the R9 290s were just too cheap, $630 for R9 290, or $790 for gtx 780... I had enough money to buy either 1 GTX 780 and a larger ssd(1TB), or buy 2 R9 290's and a 240gb SSD so i just had to go with the R9s.

and I know I have to use the older drivers.

i7Baby · Sep 18, 2014

As I said - you don't need it. So don't do it.

ZandaThebigbluePanda · Sep 18, 2014

i7Baby :

and as I said I want it, and im not asking if it would help. I'm asking if it would work.
two different questions, you answered the question "will it help if i add a GTX 560" which is completely not what i was asking.

I don't really care if it won't help. all i want to know is if it will work, which shogunofharlom has answered.

i7Baby · Sep 18, 2014

If you don't want advice then don't ask the question, Don't do what you don't need to do. The KISS principle.

Novuake · Sep 18, 2014

i7Baby :

Stop now. You are not helping.

ZandaThebigbluePanda · Sep 18, 2014

i7Baby :

Still you did not answer my question at all.
I asked if it will WORK not if it would help. shogunofharlom gave me the best answer so far, you have not helped at all.
you are trying to answer a question that is non-existent to this thread.

azzazel_99 · Sep 18, 2014

Yes it can be done but as stated you would have to run such an old driver you would be hurting the rest of your system. I'm curious where we're you going to be buying a 780 or almost $800? Or was that for 2?

ZandaThebigbluePanda · Sep 19, 2014

azzazel_99 :

NZ prices are really high.... 2 780s for 800! that would be the day. the 2 r9 290s cost $1300

17seconds · Sep 19, 2014

shogunofharlom :

The Quadro 5800FX does NOT support PhysX. Only Geforce cards support PhysX. When you were enabling GPU accelerated PhysX in your games, it was being run on your CPU and killing your framerate.
http://www.nvidia.com/object/physx_faq.html
http://www.geforce.com/hardware/technology/physx/supported-gpus

With a GTX 560 paired with 290s in Crossfire, I would expect a decent performance gain. Its certainly powerful enough to keep up with them.
http://1pcent.com/?p=169

As mentioned, this is only if you can get it to work. The ability to use the Hybrid PhysX driver hack has been locked out over the past year. You know how determined hackers can be, though, so maybe there's a way to get it to work. Here's the download page.
http://www.ngohq.com/graphic-cards/17706-hybrid-physx-mod-v1-03-v1-05ff.html

shogunofharlom · Sep 22, 2014

17seconds :

shogunofharlom :

The Quadro 5800FX does NOT support PhysX. Only Geforce cards support PhysX. When you were enabling GPU accelerated PhysX in your games, it was being run on your CPU and killing your framerate.
http://www.nvidia.com/object/physx_faq.html
http://www.geforce.com/hardware/technology/physx/supported-gpus

With a GTX 560 paired with 290s in Crossfire, I would expect a decent performance gain. Its certainly powerful enough to keep up with them.
http://1pcent.com/?p=169

As mentioned, this is only if you can get it to work. The ability to use the Hybrid PhysX driver hack has been locked out over the past year. You know how determined hackers can be, though, so maybe there's a way to get it to work. Here's the download page.
http://www.ngohq.com/graphic-cards/17706-hybrid-physx-mod-v1-03-v1-05ff.html

Quadro cards do support physX ... 5800 was added at a later date
http://nvidia.custhelp.com/app/answers/detail/a_id/2284/~/nvidia-physx-enabled-quadro-products

17seconds · Sep 22, 2014

shogunofharlom :

17seconds :

Quadro cards do support physX ... 5800 was added at a later date
http://nvidia.custhelp.com/app/answers/detail/a_id/2284/~/nvidia-physx-enabled-quadro-products

I don't know, man. I'd like to think so, but that link has a date of 2008. Even if it did support PhysX, it seems like an old card that will probably be holding your system back, rather than helping (exactly what you have been experiencing).

Have you tried playing your games with the "PhysX Visual Indicator" enabled? It'll show on the screen whether your CPU or 5800 is rendering the PhysX.

Nvidia Control Panel > 3D Settings (Menu Bar at the top) > Show PhysX Visual Indicator > Play a PhysX game

R9 290 in xfire + 560 with 13.12 nvidia drivers for physx

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