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Will adding a dedicated physx card do anything? - Page 2

post #11 of 15
No use at all, no future games with Phys ahs been announce so its literally dead. Also if u stick a PhysX card into ur mobo ur primary card will only get 8X PCIE lanes
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The Liberator
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post #12 of 15
Quote:
Originally Posted by donkru View Post
Ok. So i added in my old 8800gts and it did exactly +1 fps avg in metro 2033. Also it lowerd my max and min fps. So all in all my addition of the 8800gts would be useless for physx. It is funny that with 8800gts set as dedicated physx it was up to 10% usage max. interesting./
Download free Mafia II Demo which contains a benchmark feature. Run it with High Physx. Once with your GTX570 and then a second time with your 8800GTS 640 as dedicated Physx card. You will see a difference.

My prediction: an increase of 8% fps

I have 3 data points to make this estimate:
1. With a GTX570, I used a GTX285 (240 shaders @2476MHz) and got a 25% fps increase.
2. With a GTX570, my 8800GTX (128 shaders @ 1350MHz) gave me a 12.5% increase fps.
3. With a GTX470, BellaTheFeared used a 9800GT (112 shaders @ 1500MHz) got 10.6% increase fps..
4. With a GTX570, your 8800GTS 640 (96 shaders @1200MHz) will probably get you ~8%.

Reference link:
http://www.overclock.net/nvidia/9143...ng-thread.html
(report your result to this thread to enrich the data base)

Mafia II Demo: http://www.2kgames.com/mafia2/demo/
post #13 of 15
Quote:
Originally Posted by windfire View Post
Download free Mafia II Demo which contains a benchmark feature. Run it with High Physx. Once with your GTX570 and then a second time with your 8800GTS 640 as dedicated Physx card. You will see a difference.

My prediction: an increase of 8% fps

I have 3 data points to make this estimate:
1. With a GTX570, I used a GTX285 (240 shaders @2476MHz) and got a 25% fps increase.
2. With a GTX570, my 8800GTX (128 shaders @ 1350MHz) gave me a 12.5% increase fps.
3. With a GTX470, BellaTheFeared used a 9800GT (112 shaders @ 1500MHz) got 10.6% increase fps..
4. With a GTX570, your 8800GTS 640 (96 shaders @1200MHz) will probably get you ~8%.

Reference link:
http://www.overclock.net/nvidia/9143...ng-thread.html
(report your result to this thread to enrich the data base)

Mafia II Demo: http://www.2kgames.com/mafia2/demo/
8% increase is great... but physX is a dead technology. All the new game engines include their own proprietary physics engine; all of which are better than NVIDIAs physX.
post #14 of 15
Quote:
Originally Posted by donkru View Post
I have an 8800 gts 640 not doing anything at all at the moment, Will adding this to my rig increase performance at all? Also is it limited to certain games or would it be good for all games? Thanks.
I was all set for dedcated a PPU!
But now I'm overclocked to 4.5GHz 24/7, I don't seem to need one

I'm playing Batman AA PhysX high, and Mafia 2 PhysX high staying so far at 60fps vsync
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post #15 of 15
Thread Starter 
One side effect that I did not expect from adding in my 8800gts was the fact that my OC stopped working. I mean, My memory which is stable at 1866 9-10-9 was unable to post with the 8800gts. Is that common, i didnt think that they were inter related. Also i have mafia 2 sitting in my steam library, I guess i will download it again to test out the benchmark.
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