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is Physx worth it? Need help choosing board. :)

post #1 of 19
Thread Starter 
I have a quick question.

I am about to purchase my first graphics card (woohoo!) smile.gif My system is as follows:

GPA UD3H Gigabyte Board
AMD 1055T 6-Core Processor
6GB of DDR3
Windows 7 Ultimate 64bit
23" 1080P Asus Monitor

Question. My board supports crossfire between ATI cards. I've been looking at the IceQ Radeon 6850, but I read recently that Unreal Engine 3 is based off of Nvidia's Physx. The ONE game I'm extremely excited about, Bioshock Infinite, is going to be based off of Unreal Engine 3.

My question is, should I just get an Nvidia (GTX 460 or equivilent), or stick with ATI? I've read somewhere that you can use a secondary Nvidia card as a Phsyx Card. Is that still true? Would that be the best option? Or should I just get an Nvidia card? I want to be able to play all of the new games based off of the Unreal3 engine, and if Physx is going to kill my framerates, maybe Nvidia (even though my board only supports Crossfire) might be the way to go.

Any thoughts?

Thanks! smile.gif
post #2 of 19
I woudnt worry about Physx too much. Very few games us it. And most likely if u get a decent card it will run your game just fine with out it. I would go 560 ti over 460 and 6950 over 6850. Worth the extra money. Can get 560 ti or 6950 for around $200 with an open box buy from newegg. Great Open box deals on there
post #3 of 19
If your going to play ALOT physix based games then go with nvidia If not, ati. thats how i see it...
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post #4 of 19
Only supporting Crossfire doesn't mean you can't use NVIDIA GPUs. It just means the board doesn't natively support NVIDIA's SLI configurations.

If you really care about GPU PhysX, I would recommend paying a little extra to get a newer NVIDIA card (something like the 560 Ti or 570). At that resolution, you won't really see a significant performance hit using it for PhysX over getting a dedicated card for it. They'll be perfectly playable.
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post #5 of 19
Thread Starter 
When you say my board won't support it natively, can it still support SLI through some form of mod/software? And also, I wasn't thinking about buying two Nvidia cards, one for Physx. I had heard of people using an AMD card as the main graphics card, and then an Nvidia for the Physx. Is this possible? Would I be able to do something like this with a newer AMD card, and an older Nvidia?

And do you know much about Unreal3 Engine? Will a Physx Card be necessary to get the new games to work with Unreal 3?

Really, the only game that will have Physx that I'm considering is Bioshock Infinite.

Thanks again everyone for your help, I appreciate it a ton! smile.gif
post #6 of 19
Phys-x, not worth it.
post #7 of 19
Quote:
Originally Posted by BigIzzy;13626541 
When you say my board won't support it natively, can it still support SLI through some form of mod/software? And also, I wasn't thinking about buying two Nvidia cards, one for Physx. I had heard of people using an AMD card as the main graphics card, and then an Nvidia for the Physx. Is this possible? Would I be able to do something like this with a newer AMD card, and an older Nvidia?

And do you know much about Unreal3 Engine? Will a Physx Card be necessary to get the new games to work with Unreal 3?

Really, the only game that will have Physx that I'm considering is Bioshock Infinite.

Thanks again everyone for your help, I appreciate it a ton! smile.gif

I'm not sure if Bioshock Infinite will have PhysX, but yes, for GPU PhysX you will need an NVIDIA GPU. It is fairly simple to run an AMD card as the primary and use an NVIDIA card for dedicated PhysX.

If you're set on getting a setup that will handle PhysX, it then comes down to a question of how much you want to spend and how powerful a primary card you want. If you get a 6850/6870 and a decent NVIDIA for PhysX, you'll probably be paying close to $300. If you really want to spend in that price range, for a little more you could just get a GTX 570, which will be significantly better than that 6870 and will handle PhysX. I'd personally recommend going that route.

Assuming you're in the U.S., something like this would be a great option:

Gigabyte GTX 570

You can also get a 560 Ti like I mentioned earlier and OC it to compete with a 570. That would save you a good bit of money. There are several good options:

Galaxy GTX 560 Ti
MSI Twin Frozr II GTX 560 Ti
EVGA GTX 560 Ti

Edit: What case and PSU do you have?
Edited by Faraz - 5/24/11 at 7:54pm
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post #8 of 19
$250 - $300 or more for Physx seem pretty steep imo. If you're actually going for it, get a GTX460 ($110-$150) or something in that price range, it'll handle it just fine w/o the high premium. Especially for 1 or a few games, $300 is just too much for some extra visuals in a game.

Just my 2¢. It really depends on your budget and if you think it's worth it!


See other post. redface.gif
Edited by Nightz2k - 5/24/11 at 7:53pm
post #9 of 19
Quote:
Originally Posted by The Master Chief;13626552 
Phys-x, not worth it.

this
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post #10 of 19
NM, just misread. redface.gif

Physx isn't always worth it imo, but if you're budget allows it and you make use of it in at least a few games, I guess it's worthwhile. For one game, I wouldn't bother.
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