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Best dedicated physx card to buy

post #1 of 24
Thread Starter 
I know this has been asked so many times but there doesn't seem to be an answer or all the threads are from 2010. There also seems to be very few articles on what is needed to run physx or information on the topic.

I've currently got a 780 and playing borderlands 2 with physx on anything but low with 3 or more people becomes impossible. I've had 15fps at times :/

So I'm curious as to what is the best card to buy to go along with my 780 to just do physx or should I just not bother? I have been looking at a 2gb Gainward GeForce GT 630 would that be good enough?
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post #2 of 24
Quote:
Originally Posted by Image132 View Post

I know this has been asked so many times but there doesn't seem to be an answer or all the threads are from 2010. There also seems to be very few articles on what is needed to run physx or information on the topic.

I've currently got a 780 and playing borderlands 2 with physx on anything but low with 3 or more people becomes impossible. I've had 15fps at times :/

So I'm curious as to what is the best card to buy to go along with my 780 to just do physx or should I just not bother? I have been looking at a 2gb Gainward GeForce GT 630 would that be good enough?

It is cool for a few minutes, but really not worth it IMO.
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post #3 of 24
Thread Starter 
Quote:
Originally Posted by Rickles View Post

It is cool for a few minutes, but really not worth it IMO.

Yeah I was thinking about that too. So few games support it and I don't know if it's because the calculations are so complicated or if it's badly coded but like I said the FPS drop is unbelievable.

I was just hoping there was a line where it would be like "this card and up will run any physx" and then I'd be sorted for life biggrin.gif
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post #4 of 24
Are you sure the fps drops are due to physx calcs? What resolution are you running and what fps do you get with physx disabled?

From my own testing the performance gains you'll get with a dedicated card will be minimal or even negative... Certainly in non physx games with a gt 230 in there you'll hurt your performance as I tested a 9800gt as a physx card with my 2x 780s at the time and it only made things worse.

I have heard anecdotes where they say you want around half the performance of the main card for a dedicated physx card but don't know how true that is, if so that would put you around a gtx 760 mark.

I tried my gtx750ti as a physx card with my 2x 780tis and again didn't notice any improvement but I was later informed that my benchmark tool (3d mark) doesn't use physx so that was probably why...D'oh!

I now have 3x 780tis on water so unfortunately I'm not about to strip it out just to test the 750ti as a physx card in BL2 as that's about a days work! However my hunch would be that if you really wanted to see some benefit then you should be looking at least around the 750ti mark. If it doesn't help much you've at least got a reasonable card you can use to upgrade a second pc with or build a htpc etc!

However, as far as I remember the physx effects in BL2 are really limited to weapons (grenade shrapnel, bullets etc) and cloth. It doesn't really spoil the game without it.
 
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post #5 of 24
yeah a 630 would be enough for a 750 but wouldnt be enough for a 780 you would need 760 but at the price the 760 would cost you it would be better just to get another 780 and sli smile.gif

there is 30 games that support physx
Edited by ozlay - 4/10/14 at 4:23pm
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post #6 of 24
Quote:
Originally Posted by pharcycle View Post

Are you sure the fps drops are due to physx calcs? What resolution are you running and what fps do you get with physx disabled?

From my own testing the performance gains you'll get with a dedicated card will be minimal or even negative... Certainly in non physx games with a gt 230 in there you'll hurt your performance as I tested a 9800gt as a physx card with my 2x 780s at the time and it only made things worse.

I have heard anecdotes where they say you want around half the performance of the main card for a dedicated physx card but don't know how true that is, if so that would put you around a gtx 760 mark.

I tried my gtx750ti as a physx card with my 2x 780tis and again didn't notice any improvement but I was later informed that my benchmark tool (3d mark) doesn't use physx so that was probably why...D'oh!

I now have 3x 780tis on water so unfortunately I'm not about to strip it out just to test the 750ti as a physx card in BL2 as that's about a days work! However my hunch would be that if you really wanted to see some benefit then you should be looking at least around the 750ti mark. If it doesn't help much you've at least got a reasonable card you can use to upgrade a second pc with or build a htpc etc!

However, as far as I remember the physx effects in BL2 are really limited to weapons (grenade shrapnel, bullets etc) and cloth. It doesn't really spoil the game without it.

Physx in borderlands 2 are way more complex than that.
Liquid from barrels, toilets... guns. Cloth too.
There's lots of physx on Borderlands 2 if you crank it up to high. It is a big bottleneck tho, having a dedicated Physx card won't really help because your main card will be waiting for the Physx card.
You need something strong for the Physx, people have said that Fermi cores were stronger for Physx than the newer ones, maybe a GTX460? But imo it isn't worth it.

If you truly want your problem solved just change the Physx properties. (Full blown debris with no limitation, your current problem)
I could copy paste the fix, but I just googled it so Imma link the thread to you.
[SOLVED]Reducing/Removing Particles for PhysX
post #7 of 24
Quote:
Originally Posted by Tokkan View Post

Physx in borderlands 2 are way more complex than that.
Liquid from barrels, toilets... guns. Cloth too.

Haha ok, been a while since I've played it but I can't say I was blown away after enabling them having moved from ati to nvidia. Since I can't remember half of them, they aren't exactly crucial to the gameplay.
 
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post #8 of 24
Quote:
Originally Posted by Image132 View Post

I know this has been asked so many times but there doesn't seem to be an answer or all the threads are from 2010. There also seems to be very few articles on what is needed to run physx or information on the topic.

I've currently got a 780 and playing borderlands 2 with physx on anything but low with 3 or more people becomes impossible. I've had 15fps at times :/

So I'm curious as to what is the best card to buy to go along with my 780 to just do physx or should I just not bother? I have been looking at a 2gb Gainward GeForce GT 630 would that be good enough?

What resolution are you running? And is your CPU at stock? The lowest drop I've seen in BL2 on 1440p is to around 30 FPS, though I'm getting ready to pull it up and confirm for sure. This is indeed with 3 other friends playing along. Also, what NV drivers are you running? I've been seeing a lot of good things about the new 337.xx driver.
Quote:
Originally Posted by pharcycle View Post

Are you sure the fps drops are due to physx calcs? What resolution are you running and what fps do you get with physx disabled?

From my own testing the performance gains you'll get with a dedicated card will be minimal or even negative... Certainly in non physx games with a gt 230 in there you'll hurt your performance as I tested a 9800gt as a physx card with my 2x 780s at the time and it only made things worse.

I have heard anecdotes where they say you want around half the performance of the main card for a dedicated physx card but don't know how true that is, if so that would put you around a gtx 760 mark.

I tried my gtx750ti as a physx card with my 2x 780tis and again didn't notice any improvement but I was later informed that my benchmark tool (3d mark) doesn't use physx so that was probably why...D'oh!

I now have 3x 780tis on water so unfortunately I'm not about to strip it out just to test the 750ti as a physx card in BL2 as that's about a days work! However my hunch would be that if you really wanted to see some benefit then you should be looking at least around the 750ti mark. If it doesn't help much you've at least got a reasonable card you can use to upgrade a second pc with or build a htpc etc!

However, as far as I remember the physx effects in BL2 are really limited to weapons (grenade shrapnel, bullets etc) and cloth. It doesn't really spoil the game without it.

Along with PhysX, View Distance is a heavy hitter on BL2 FPS for me as well.
 
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post #9 of 24
Thread Starter 
Wow ok so a lot to go through after a good sleep.

Everything I've read says you can't just slap a very old/underpowered card in there as you guys have said then your gpu has to wait for the card to do the calculations and this leads to degraded performance. Likewise setting it to CPU is a very bad idea as physx was designed to be run on GPU's not CPU's and hence it's pretty bad at doing it.

With physx on med (what I normally play with) I noticed a pretty big performance drop with my card but it was odd. My card would only ever run at about 50% usage. Changing physx to low kicked the gpu to run at 80% usage and I'd get pretty big fps gains. When I play with it on with my 3 friends and things get hectic my fps can drop all the way down to 15 which is just unacceptable for a 780. Even though gforce experience tells me I should put it on high I don't think it realizes that I'm playing with 2 other people. Physx on high with 1 person is pretty easy but doing more seems to make it exponentially harder.

I have however read that even 690's have fps drops to about 30 when playing borderlands with a party of people. But this was just a comment on an article. Sadly physx hasn't really been tested or benchmarked properly so for me at least it causes quite a bit of confusion.

I run the game with everything on max in 1920x1080 except physx which I put to low as I'd rather take the boost to fps than some pebbles and blobs. Also I have a 120hz monitor so I try to keep my fps as close to that mark as possible because it makes it buttery smooth.

Specs of my build:

CPU: intel i7 2600k OC'd stable to 4.2GHz
RAM: 8GB Corsair Vengeance 1866MHz
MOBO: Asus Maximus IV Extreme
PSU: Corsair HX1000
GPU: Asus GTX 780 DCII
OS: Windows 8.1
Driver: 335.23

Since I have yet to find any info on any current pc build (with a dedicated card or not) that can run borderlands 2 with 4 people with physx on high and not get 30fps I'm going to assume it's either badly coded or too intense for current gen systems. However due to astonishing lack of info on physx and pretty much no testing with it (or even a physx benchmark app) it's not entirely out of the question. The only reason why testing is so sparse that I can think of is because of lack of an app and maybe a lack of games that support it?

Because of all that I'm sort of leaning towards not bothering. Might as well buy another 780. I don't know, what do you guys think?
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post #10 of 24
Quote:
Originally Posted by Image132 View Post

Wow ok so a lot to go through after a good sleep.

Everything I've read says you can't just slap a very old/underpowered card in there as you guys have said then your gpu has to wait for the card to do the calculations and this leads to degraded performance. Likewise setting it to CPU is a very bad idea as physx was designed to be run on GPU's not CPU's and hence it's pretty bad at doing it.

With physx on med (what I normally play with) I noticed a pretty big performance drop with my card but it was odd. My card would only ever run at about 50% usage. Changing physx to low kicked the gpu to run at 80% usage and I'd get pretty big fps gains. When I play with it on with my 3 friends and things get hectic my fps can drop all the way down to 15 which is just unacceptable for a 780. Even though gforce experience tells me I should put it on high I don't think it realizes that I'm playing with 2 other people. Physx on high with 1 person is pretty easy but doing more seems to make it exponentially harder.

I have however read that even 690's have fps drops to about 30 when playing borderlands with a party of people. But this was just a comment on an article. Sadly physx hasn't really been tested or benchmarked properly so for me at least it causes quite a bit of confusion.

I run the game with everything on max in 1920x1080 except physx which I put to low as I'd rather take the boost to fps than some pebbles and blobs. Also I have a 120hz monitor so I try to keep my fps as close to that mark as possible because it makes it buttery smooth.

Specs of my build:

CPU: intel i7 2600k OC'd stable to 4.2GHz
RAM: 8GB Corsair Vengeance 1866MHz
MOBO: Asus Maximus IV Extreme
PSU: Corsair HX1000
GPU: Asus GTX 780 DCII
OS: Windows 8.1
Driver: 335.23

Since I have yet to find any info on any current pc build (with a dedicated card or not) that can run borderlands 2 with 4 people with physx on high and not get 30fps I'm going to assume it's either badly coded or too intense for current gen systems. However due to astonishing lack of info on physx and pretty much no testing with it (or even a physx benchmark app) it's not entirely out of the question. The only reason why testing is so sparse that I can think of is because of lack of an app and maybe a lack of games that support it?

Because of all that I'm sort of leaning towards not bothering. Might as well buy another 780. I don't know, what do you guys think?

Your problem isn't the detail but the quantity in the Physx particles. You need to limit them. My GTX765M on my laptop handles BL2 with Physx on high without any major slowdown and I don't really see any difference. I just changed the Physx properties.
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