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[OUT OF DATE]How To: Run PhysX in Windows 7 with ATi Cards - Page 107

post #1061 of 1230
Is my understanding correct that adding a card for physx would only help in specific games? I have only really just got into PC gaming, and basically only for BF3. I did some quick googling and what i mostly read was that BF3 uses the havok physics engine, hence i figured adding a card for physix wouldnt help. Im just looking into it further because my 955 only really bottlenecks my cards during heavy particle scenes, so if i could free up some processing power off of the cpu for this, i would see some reasonable improvement i thought. But, i probably dont want to spend any further money, its just that i know of an 8800gt lying around i can get for free, but sounds like this wouldnt be up to the task anyway, even if relieving a cpu bottleneck?
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post #1062 of 1230
Quote:
Originally Posted by whippy View Post
Is my understanding correct that adding a card for physx would only help in specific games? I have only really just got into PC gaming, and basically only for BF3. I did some quick googling and what i mostly read was that BF3 uses the havok physics engine, hence i figured adding a card for physix wouldnt help. Im just looking into it further because my 955 only really bottlenecks my cards during heavy particle scenes, so if i could free up some processing power off of the cpu for this, i would see some reasonable improvement i thought. But, i probably dont want to spend any further money, its just that i know of an 8800gt lying around i can get for free, but sounds like this wouldnt be up to the task anyway, even if relieving a cpu bottleneck?
No, you dont need a dedicated physics card for Havok .
Only for select tittles that use PhysX such as Batman AA/ AC, Alice, Metro etc.
The only thing that would help you with your FPS is overclocking your cpu.
I do not see how can you possible bottleneck though. you have a Trifire setup. On stock clocks I get 30-45 FPS steady in BF3 and it runs silky smooth
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post #1063 of 1230
Now something is weird! It's if im getting bottlenecked in FPS, I am only getting 30 FPS and not any higher in games like Alice and Metro but in BF3 i get 40 ish while at Witcher 2 i get 40 to 55 FPS all games are at max settings.
Now I am confused did I not apply some settings?
30 fps is way to low for a game like Alice !
I did FluidMark Benchtest and I got 1321 points! So how is it possible that i get 30 fps in Alice >_>... I can understand Metro, but Alice?
http://www.ozone3d.net/benchmarks/ph...3691133266365f
Edited by StormXLR - 10/30/11 at 8:45am
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post #1064 of 1230
I hate to say this to you, PhysX intensive titles such as Batman AA, Mafia II, Alice, Mirror Edges etc, a faster PhysX card will benefit in those titles. You can use a lower end PhysX card for Metro 2033 because it's not PhysX intensive. Since you already got the 450 what you can do is to set the PhysX to medium instead of high.

I posted this information in your thread asking about the PhysX card for your setup but you did not respond< and you are listening to people saying anything beyond 450 is an overkill

http://www.overclock.net/amd-ati/591...l#post15509130
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post #1065 of 1230
Quote:
Originally Posted by Ken1649 View Post
I hate to say this to you, PhysX intensive titles such as Batman AA, Mafia II, Alice, Mirror Edges etc, a faster PhysX card will benefit in those titles. You can use a lower end PhysX card for Metro 2033 because it's not PhysX intensive. Since you already got the 450 what you can do is to set the PhysX to medium instead of high.

I posted this information in your thread asking about the PhysX card for your setup but you did not respond< and you are listening to people saying anything beyond 450 is an overkill

http://www.overclock.net/amd-ati/591...l#post15509130
No,no, no! Its very strange actually! I am running a PhysX intensive game like Mafia II at 50-60 fps at all times! But Alice does not go lower or higher then 31 FPS as if its stuck like a console game to run at 30 FPS

Now Metro 2033 is normal the game is really graphically intense I tested with and without physx the difference is like 2-3 FPS, bouncing between lowest 30 to 36
I will reinstall Batman AA later and see how it runs.
BTW Ken... think about is it really worth it to buy anything more expansive then a GTS 450 just for a few physx titles?
Also look at my Fluid benchmark the scores are really high!
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post #1066 of 1230
I guess it boils down to personal preferences as what is worth for a PhysX card. You can set the PhysX to low or medium and if it will improve the FPS.

...
Edited by Ken1649 - 10/31/11 at 12:55am
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post #1067 of 1230
Hey guys. I need some help. I recently upgraded my gtx 460 se to a XFX 6950 2gb for battlefield 3. I really want to use my 460 as a physx dedicated card and my 6950 as the main video card. Is this now possible without modded drivers? Does nvidia now support amd cards? If so how? what do I have to do? please help! thank you.
post #1068 of 1230
We have been doing it for years. There's no problem and after reading this thread, we'll help with things that are confusing you.


Quote:
Source: GenL


Quote:
1.05ff - 26/10/2011:
- added support for fixing new limitations introduced in 285.xx drivers and PhysX System Software 9.11.0621
- mod will now delete all application 3D settings profiles from NVIDIA Control Panel (prevents problems with known PhysX games)
- updated old patterns
You can overwrite the existing driver/PhysX SS without uninstall.

1. Install Forceware 285.xx (do not restart).

2. Install PhysX SS 9.11.0621 Download Link (do not restart).

3. Run the 1.055ff Patch Download Link (restart PC).

Done.

...

Edited by Ken1649 - 10/31/11 at 12:55am
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post #1069 of 1230
Quote:
Originally Posted by benny.man View Post
Hey guys. I need some help. I recently upgraded my gtx 460 se to a XFX 6950 2gb for battlefield 3. I really want to use my 460 as a physx dedicated card and my 6950 as the main video card. Is this now possible without modded drivers? Does nvidia now support amd cards? If so how? what do I have to do? please help! thank you.
All the info you need is in the first post, simply put:

shut down, physically install the 460
Start up, install 285.xx drivers
Dont reboot, install 1.05ff patch.
Enjoy
post #1070 of 1230
So do i need to uninstall my 6950 first like do i physically need to uninstall it or the amd drivers first? Or can I just leave everything the way it is and plug in my gtx 460?
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