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Radeon and Physx?

Last response: in Graphics & Displays
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January 12, 2012 5:50:29 PM

Hello, about a year ago i upgraded my GPU to a Radeon 6870. I originally had plans to buy a second one and Crossfire them togather. But since then, a new game i am looking forward to was announced, and the new engine utilizes Nvidias PhysX technology, but should be playable on non Physx cards.

Now, i am curious, should i continue to get a Second 6870? Or should i switch over to an equivilant Nvidia card? Will the Dual GPU setup make up for the lack of PhysX? Or will the Nvidia card regardless, be a superior option? Even if it was just a single GPU?

Will Nvidia cards play nice with my Phenom X6 1100? I mostly went with Radeon because my Mobo and Processor are also both AMD.

If Nvidia is the better option, what is an Nvidia card that is equivilent/better in power to my 6870 and in the same price range?

Thanks for the help!

My current setup is:
PSU: Rosewill 1000w Modular PSU
GPU: Sapphire Radeon 6870
CPU: AMD Phenom X6 1100 Thuban
Mobo: Asus M49A7XTD Evo
RAM: 4x4GB G-Skill Ripjaw 1600 DDR3 RAM.

More about : radeon physx

a c 92 U Graphics card
January 12, 2012 5:59:52 PM

you'd still be able to play physx games with physx off on amd card or you can buy a nvidia card and use it as purely a physx card with the hack.

personally, I wouldn't really spend extra money for 1 game to look slightly better but its up to you.

the 560 is the card comparible to the 6870 but will cost more.
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January 12, 2012 6:01:11 PM

Wait... I have an old 8800GTS sitting around, would i be able to plug this into my second GPU slot, use my Radeon 6870, and get the benefit of Physx? Or am i reading that incorrectly?

Would it still be better to just get a Nvidia card? I have the money now to buy the second 6870 OR and Nvidia card, i can always sell my 6870 to get money to SLI some Nvidia cards.
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a c 92 U Graphics card
January 12, 2012 6:05:07 PM

yes that would work.

you can give it a try but buying an more powerful nvidia card might make it a lot more hassle free.

selling the 6870 and buying a 560 ti would be a good idea too.
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January 12, 2012 6:05:45 PM

Yes you can. I have a 6870x2 but use a GTX 460 for physx. It took me a lil while to get it working initially, but now it's a piece of cake. I haven't gotten it to work with every game, but Arkham Asylum, and a few other games I got it to work.
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January 12, 2012 6:08:22 PM

Like Esrever said, depending on how much physx games you play it might be a waste of money. You can buy a newer Nvidia card and as long as it's powerful enough you can play with physx on medium or high, depending on your resolution.
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January 12, 2012 8:10:53 PM

Well, this would be a game that i play every day and for long periods. Its a sequal to an MMO i still play. Planetside 2.

Since i'd spend most of my play time on this game, would it just be better to sell the 6870 and get an SLI configuartion with two 560 ti's? I think my mobo only has two GPU slots, so i would have to choose between One 6870 and One Nvidia, or SLI/Crossfire of eaither or.
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January 12, 2012 9:08:57 PM

Fuerian said:
Well, this would be a game that i play every day and for long periods. Its a sequal to an MMO i still play. Planetside 2.

Since i'd spend most of my play time on this game, would it just be better to sell the 6870 and get an SLI configuartion with two 560 ti's? I think my mobo only has two GPU slots, so i would have to choose between One 6870 and One Nvidia, or SLI/Crossfire of eaither or.


If I were in your situation I would sell the 6870 and get the 560 sli set up. It would be a lot less hassle in games. Also, it would be more versatile, meaning you could have better performance overall in most games, since most newet games support sli, and you wouldn't have to worry about mods, or spend time trying to get a "certain" game to work.
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January 12, 2012 9:09:52 PM

Oh yea, Semper Fi Devil Dog. -1st FSSG
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January 12, 2012 9:33:55 PM

The second 6870 is the way to go if you're looking for more performance... The PhysX features of most games are pretty forgettable, and these cards scale so amazingly well, you really almost double your performance with a second card. I used to be more concerned, but after running without it for the last several months, I really can't say I miss it...
I have, however, thought about tossing my old 9800GTX in with the two 6870's and the PhysX hack for a few 3Dmark runs... PhysX really ramps up those scores
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a c 92 U Graphics card
January 12, 2012 9:41:02 PM

physx doesn't do much except on heavily sponsored titles. I doubt you'd even notice the difference.

best to read the reviews once the game launches.
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a c 125 U Graphics card
January 12, 2012 9:44:52 PM

Planet side isn't on the games list:
http://en.wikipedia.org/wiki/PhysX

I'm wondering whether it even uses hardware acceleration. PhysX is often used as a regular old physics sdk, like Havoc.
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a c 172 U Graphics card
January 12, 2012 9:46:35 PM

Well sometimes you have to think outside the box about creating imaginative solutions to problems while using as little resources as possible. If you really want to save money and keep your 6870 then if you are daring enough cut the back of that 1x slot so that it could mount a normal 16x card (same power as any other pci-e 2.0 slot) but performance will be limited to only 1x. A cheap GT430 will work with hacked drivers but it will raise the temps of your main card as it will be right next to it above it.

If any other solution you will have no choice but to replace your main card with an nvidia.
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January 12, 2012 10:26:44 PM

Simply not worth physx. End of story. No significant performance gain. Use the hack if you have an extra nvidia card, but don't spend extra money just for physx
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January 13, 2012 12:15:45 AM

wolfram23 said:
Planet side isn't on the games list:
http://en.wikipedia.org/wiki/PhysX

I'm wondering whether it even uses hardware acceleration. PhysX is often used as a regular old physics sdk, like Havoc.


Not every physx game is listed. The Last Remnant, and Rise of Legend:Rise of Nations both use Nvida Physx but they're not on the list.
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January 13, 2012 12:19:56 AM

esrever said:
you'd still be able to play physx games with physx off on amd card or you can buy a nvidia card and use it as purely a physx card with the hack.

personally, I wouldn't really spend extra money for 1 game to look slightly better but its up to you.

the 560 is the card comparible to the 6870 but will cost more.



That's only on games that allow you to turn Physx off. Nvidia and Square Enix went to bed together, then took a crap on us who have AMD cards with games like The Last Remnant where Phsyx is always on. Without the physx mod and the exe fix, I can't even play without having fps down in the teens in battle mode.
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January 13, 2012 6:41:09 PM

have you considered selling your 6870 and buying a gtx 570?
its about equivilant to gtx 560ti sli and 6870 crossfire.

this would be better becuase youll have no micro stuttering.
i have one and i highly recomend it.
also if you get it get the 2.5 gb version if you can
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January 13, 2012 6:42:09 PM

also it is better becuase you wil have room for upgrades.
(gtx 570 sli) in the future
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a c 125 U Graphics card
January 13, 2012 6:55:43 PM

Uh... A GTX 570 isn't even close to 560 Ti SLI or 6870 CF. Those two combinations are faster than a GTX 580 - 560 Ti would be close to a 7970, actually.
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January 13, 2012 7:06:25 PM

i didnt say anything about the fps accually.
a gtx 570 runs cooler queter
no trouble
easier to use(all he has to do is plug it in power it and download a 150mb driver and he'll have no problems)
if he wants more performance in the future he can buy another one.
then he will have better than gtx 590 performance.

so yes it is better
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January 13, 2012 7:08:27 PM

oh and also costs less
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a c 125 U Graphics card
January 13, 2012 7:24:41 PM

unlaughable said:
a gtx 570?
its about equivilant to gtx 560ti sli and 6870 crossfire.


Perhaps it wasn't your meaning, but it's almost impossible not to read that and think you mean to say a 570 is faster than the other 2 options.

Anyway, sure, a 570 is cheaper. Of course it is, you pay more for more performance. Also, it probably isn't cheaper for someone who already has a 6870 and would need to sell it at a loss.

As for the "issues" of SLI or CF, well, some people complain about them and many people have no issues.

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