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decent to good dedicated PhysX card?

Tags:
  • Gtx
  • EVGA
  • GPUs
  • Physx
  • Graphics
Last response: in Graphics & Displays
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August 10, 2013 4:14:06 PM

Hi Community,
Currently I am using a EVGA GTX 650 as my main GPU and an old 9600 GSO as my dedicated PhysX card. My question is will replacing my current GSO with one of the new cheap GT 6xx series card improve my PhysX performance? If so, which one should I get? I currently live near a local Fry's and Bestbuy so I would like to avoid ordering online if I can.
Thanks.

More about : decent good dedicated physx card

August 10, 2013 4:18:52 PM

I think what you will need to do if you really want better performance is upgrade your primary GPU.

Perhaps dedicate it as a Physx and have a powerful main GPU
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August 10, 2013 4:18:56 PM

I think what you will need to do if you really want better performance is upgrade your primary GPU.

Perhaps dedicate it as a Physx and have a powerful main GPU
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Best solution

August 10, 2013 4:55:12 PM

PHYSX addon cards have been tested and they've discovered that your addon card must be almost as powerful as the main card or else it actually BOTTLENECKS things making the main card wait for the addon card to finish the physics calculations. It varies so much between games and between PHYSX settings (if Low and HIGH) that it's hard to even begin to recommend anything other than: DON'T EVEN BOTHER.

Also:
PHYSX is just extra eye candy. With a relatively low-end GPU like yours you shouldn't even use GPU PHYSX anyway. You are better served letting that GPU process your textures etc instead. No point in LOWERING your quality and/or frame rate just to turn on PHYSX.

I'm not sure of the rest of your system, but the absolute best thing you can do is get a better graphics card like the GTX760 for $260.
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August 10, 2013 5:14:40 PM

Quote:

PHYSX is just extra eye candy. With a relatively low-end GPU like yours you shouldn't even use GPU PHYSX anyway. You are better served letting that GPU process your textures etc instead. No point in LOWERING your quality and/or frame rate just to turn on PHYSX.

I'm not sure of the rest of your system, but the absolute best thing you can do is get a better graphics card like the GTX760 for $260.

Big +1
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August 10, 2013 5:45:43 PM

photonboy said:
PHYSX addon cards have been tested and they've discovered that your addon card must be almost as powerful as the main card or else it actually BOTTLENECKS things making the main card wait for the addon card to finish the physics calculations. It varies so much between games and between PHYSX settings (if Low and HIGH) that it's hard to even begin to recommend anything other than: DON'T EVEN BOTHER.

Also:
PHYSX is just extra eye candy. With a relatively low-end GPU like yours you shouldn't even use GPU PHYSX anyway. You are better served letting that GPU process your textures etc instead. No point in LOWERING your quality and/or frame rate just to turn on PHYSX.

I'm not sure of the rest of your system, but the absolute best thing you can do is get a better graphics card like the GTX760 for $260.


Alright that helped. So I should just take the 9600 GSO out and let my GTX 650 do all the work. I was just asking because I am on a really tight budget for this rig. It's running a small i3 2100 and it's meant to just do casual gaming like TF2, some Borderlands 2 and Grid 2.
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August 11, 2013 2:08:13 PM

TheNutKicker said:
photonboy said:
PHYSX addon cards have been tested and they've discovered that your addon card must be almost as powerful as the main card or else it actually BOTTLENECKS things making the main card wait for the addon card to finish the physics calculations. It varies so much between games and between PHYSX settings (if Low and HIGH) that it's hard to even begin to recommend anything other than: DON'T EVEN BOTHER.

Also:
PHYSX is just extra eye candy. With a relatively low-end GPU like yours you shouldn't even use GPU PHYSX anyway. You are better served letting that GPU process your textures etc instead. No point in LOWERING your quality and/or frame rate just to turn on PHYSX.

I'm not sure of the rest of your system, but the absolute best thing you can do is get a better graphics card like the GTX760 for $260.


Alright that helped. So I should just take the 9600 GSO out and let my GTX 650 do all the work. I was just asking because I am on a really tight budget for this rig. It's running a small i3 2100 and it's meant to just do casual gaming like TF2, some Borderlands 2 and Grid 2.


Summary:
- avoid PHYSX
- TWEAK game quality for optimal frame rate
- buy better graphics card when/if budget allows.

Tweaking solutions:
1) Use Geforce Experience (It tweaks supported games to 40FPS roughly.)
2) Manually tweak to 60FPS VSYNC'd most of the time (lower quality than at 40FPS but higher frame rate and minimal screen tearing)
3) Use NVidia's Adaptive Half Refresh to game at 30FPS with VSYNC

You can GOOGLE this information or go to NVidia's site to read about how VSYNC, Adaptive VSYNC and Geforce Experience works.
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