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[OUT OF DATE]How To: Run PhysX in Windows 7 with ATi Cards - Page 115

post #1141 of 1230



 

Quote:
Originally Posted by Jayjr1105 View Post

I have 2 5770's in crossfire... would it be worth it to add a GT 220 1GB 128bit card in my 3rd slot for Physx?

My GT 220 http://www.newegg.com/Product/Product.aspx?Item=N82E16814125295&Tpk=gigabyte%20gt%20220

I also don't play batman. Are there other benefits to Physx?


Say there's a benefit to add it in the system, not recommended with your motherboard. The best it will run is @x8/x8/x4 or @8/x4/x4. That will cripple the crossfire.

 

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post #1142 of 1230
Thanks for clearing that up... I don't own any of the games on the list and I'm probably pushing the limit on my 550w PS with 2 overclocked cards and my i5 @ 4.6 so I think I'll just pass on the whole physx thing for now. Nice to know it can be used with Radeon cards though.
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post #1143 of 1230
This is amazing. thanks a lot
post #1144 of 1230
HI !

Just wanted to share my experience on this cards that I have tested on my set-up

The first time I tried Hybrid PhysX, I tried the 9800gt paired with the 6850 toxic. All is well and good, got decent FPS for Batman AC and Alice MR. But in some cases I experience FPS pull down. Thinking of maybe its because of the number of cuda cores and it only has ddr3 memory so I try and purchase a GTS450.

At the GTS450, I've experience increase performance, but I can't play or do e decent benchmark on the GTS450 coz the driver always crashes, and when it crashes PhysX is turned off and have to restart the game. I've made a full and clean installation and patching of the mod, but still the same issue. I wonder what went wrong. Is it really the driver or it has some conflict with the tools/utilities I have to monitor the GPU. Again, thinking of other way, I purchased a GTX460.

The GTX460, I got the best performance I want. Well the performace between the GTS450 and GTX460 isnt that big, but the stability is great, never had any single driver crash, and game play is smooth.

Is it the issue has something to do with the BIT? GTS450 has 128BIT only while the 9800gt and GTX460 has 256bit.
I've read on some forum that 256bit is much stable for hybrid physX, can anyone confirm this?
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post #1145 of 1230
7970 and GTS 250 work with this?
post #1146 of 1230
Hi.

I just came across this thread, and from the last reply it seems that this mod still works.

I would love to try this out but before I buy a card I would appreciate some advice please. (Apologies if my questions have been asked before.)

1. Does this patch rewrite a program to allow you to run an ATI Card as the default card so you can use your ATI Card as your primary display and GPU, and the Nvidia Card will just process the PhysX?

1.1 If that is the case above then am I right thinking that a cheapish PhysX enabled card compaitible with my PCIE2.0 16X will do?

2. Would a GTX260 DX10.0 work and give me a FPS increase with Metro 2033 or would I need a better Nvidia card with DX11.(x)?

Looking at the benchmarks it should be the best value/performance card or is it an overkill and should I get a 9800GT?

2.1. What role does the nvidia card play, how does it all work? lol

I have the following components:

Windows 7 X64
Q9550 2.8Ghz
8Gig DDR2 1066mhz RAM
4870X2 Radeon GPU 2Gig VRAM
OCZ ZS Series 650Watt PSU.

Thanks guys.
Edited by majnu - 3/26/12 at 3:32am
post #1147 of 1230
Quote:
Originally Posted by majnu View Post

Hi.

I just came across this thread, and from the last reply it seems that this mod still works.

I would love to try this out but before I buy a card I would appreciate some advice please. (Apologies if my questions have been asked before.)

1. Does this patch rewrite a program to allow you to run an ATI Card as the default card so you can use your ATI Card as your primary display and GPU, and the Nvidia Card will just process the PhysX?

1.1 If that is the case above then am I right thinking that a cheapish PhysX enabled card compaitible with my PCIE2.0 16X will do?

2. Would a GTX260 DX10.0 work and give me a FPS increase with Metro 2033 or would I need a better Nvidia card with DX11.(x)?

Looking at the benchmarks it should be the best value/performance card or is it an overkill and should I get a 9800GT?

2.1. What role does the nvidia card play, how does it all work? lol

I have the following components:

Windows 7 X64
Q9550 2.8Ghz
8Gig DDR2 1066mhz RAM
4870X2 Radeon GPU 2Gig VRAM
OCZ ZS Series 650Watt PSU.

Thanks guys.

1) The patch basically overrides some setting in the PhysX software that allows you to run a PhysX card while an ATI card is the primary display driver.

Just about any CUDA-enabled Nvidia card will work. I believe the 9800 and 250 are considered around the "lower" end, depending on what games you want to run. My only experience is with the GTX460 768MB and it works great. It only goes up to about 30% usage in the most PhysX intensive games (the Batman games and Alice: Madness Returns for me), so it may be overkill, but I don't have anything to compare it to.

2) You don't need DX11 for PhysX. I will say about Metro 2033 that it has basically no PhysX effects at all. I ran the in-game benchmark with PhysX on and off, and the PhysX GPU usage only averaged around 5% usage, there was no difference in FPS, and I couldn't tell any difference in the produced image during the benchmark.

Contrast this with Batman: AC and Alice: Madness Returns, where my PhysX card goes to up to around 30% usage and I actually see a noticeable difference in the produced effects.

All the PhysX card does is calculate PhysX effects - so if a game doesn't support GPU PhysX, then it won't be used at all.

Check out this link to see the PhysX compatible games and some comparison shots between PhysX on or off.
post #1148 of 1230
Quote:
Originally Posted by jetpak12 View Post

1) The patch basically overrides some setting in the PhysX software that allows you to run a PhysX card while an ATI card is the primary display driver.
Just about any CUDA-enabled Nvidia card will work. I believe the 9800 and 250 are considered around the "lower" end, depending on what games you want to run. My only experience is with the GTX460 768MB and it works great. It only goes up to about 30% usage in the most PhysX intensive games (the Batman games and Alice: Madness Returns for me), so it may be overkill, but I don't have anything to compare it to.
2) You don't need DX11 for PhysX. I will say about Metro 2033 that it has basically no PhysX effects at all. I ran the in-game benchmark with PhysX on and off, and the PhysX GPU usage only averaged around 5% usage, there was no difference in FPS, and I couldn't tell any difference in the produced image during the benchmark.
Contrast this with Batman: AC and Alice: Madness Returns, where my PhysX card goes to up to around 30% usage and I actually see a noticeable difference in the produced effects.
All the PhysX card does is calculate PhysX effects - so if a game doesn't support GPU PhysX, then it won't be used at all.
Check out this link to see the PhysX compatible games and some comparison shots between PhysX on or off.

Thanks, that's confirmed what I was thinking. There are very few games which make use of PhysX for me to want to buy something like the GTX460. I'll just read back 10 pages or so to see what I need to do to get it all working. thumb.gif
post #1149 of 1230
My GTX260 216 arrived today, I think I paid too much for it as I got carried away with the excitement to run PhysX lol. Anyway since I already have Metro 2033 installed, would I need to uninstall the PhysX drivers which came with that and just follow these steps?

http://www.overclock.net/t/591872/how-to-run-physx-in-windows-7-with-ati-cards/1120#post_15951651
post #1150 of 1230

Just follow exactly that. Keep it simple smile.gif

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