GTX 650 for dedicated Physx

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akalurken

Honorable
Nov 3, 2013
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Hi there!
I actually have a GTX 650; this concretely: http://www.asus.com/Graphics_Cards/GTX650E2GD5/specifications/

I plan to buy a 970 when they announce it and i am wondering if i should keep the 650 for dedicated physx and the 970 as primary card or just set the 970 for everything and get rid off the 650.

CPU: 4770k@4.3ghz
Mobo: Asus Z87-A
PSU: Corsair tx650

PD: All pci lanes are empty atm except for the GTX 650 and the sound card (asus xonar DG PCI)
 
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I personally wouldn't bother. A GTX 970 should perform so well with PhysX that you'd probably only gain 2-3 fps from using the GTX 650. So many Cuda cores... A GTX 650 would be merely a drop against the tide.

GTX 770s already only gain 4-5 fps from a GTX 650 Ti PhysX card (forgot where I saw that benchmark, sorry).
You'd probably be better off just selling the GTX 650 once you get the GTX 970.
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akalurken

Honorable
Nov 3, 2013
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10,510

I'll be playing some games with physx, like Planetside2 and Metro Redux.
 
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akalurken

Honorable
Nov 3, 2013
5
0
10,510

I already have the 650 but i don't know if it will be worth the extra wattage when using a 970 as main card.
 
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Admirable
Mar 21, 2014
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I personally wouldn't bother. A GTX 970 should perform so well with PhysX that you'd probably only gain 2-3 fps from using the GTX 650. So many Cuda cores... A GTX 650 would be merely a drop against the tide.

GTX 770s already only gain 4-5 fps from a GTX 650 Ti PhysX card (forgot where I saw that benchmark, sorry).
You'd probably be better off just selling the GTX 650 once you get the GTX 970.
 
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17seconds

Champion
Jul 27, 2010
10,584
4
51,965
It's usually better to have some actual data to review when making your decision. A GTX 650 when paired with a GTX 690 does indeed increase performance significanly. I would expect similar results with the GTX 970, which should be comparable to a 690 in performance. Yes, a 970 doesn't need a dedicated PhysX card, but it will improve your performance by more than a few FPS. In a more demanding game like the Batman Arkham series, it might make all the difference in certain setups.
http://1pcent.com/?p=169

borderlands_2_results_graph.png

borderlands_2_results2_graph.png

fluidmark_results_graph.png
 
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17seconds

17seconds

Champion
Jul 27, 2010
10,584
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51,965

That's Borderlands 2. I'm not sure about Planetside 2, but the Metro games need as much help as they can get.
 
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