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Something is holding my system back but I don't understand?

post #1 of 14
Thread Starter 
I was quite confident that I would be able to max crisis with my rig. I think the problem is physX. If I keep it on medium and everything else on max I get around 80Fps. If I put it on very high I get about 14-21fps.

I'm running MSI 460 hawks in SLI. Is it the VRAM? I'm unclear on how to improve physX.
    
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post #2 of 14
Is this crysis 1?
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post #3 of 14
Thread Starter 
Yes crysis 1.
I can max crysis 2 no problem
    
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post #4 of 14
Hmmm quiet weird. I get a constant 30+ fps with my 5850 at 1920x1080. Physx should have nothing to do with it as Crysis doesn't support it. Try installing earlier drivers or re-install the game.
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post #5 of 14
It is most likely the vRAM. Do you have the 768MB or 1GB versions of the GTX 460? I know when I run Crysis my vRAM peaks over 1GB although I run at a higher resolution than you.

Crysis does not use PhysX so that shouldn't be the problem.

Crysis can be a bit nasty towards overclocks so you could try turning them down... Maybe trying different drivers could help too. If you are running 1GB 460's I don't understand the performance loss though, you should be getting ~50fps. Is the SLI scaling correctly to both cards?

Reinstalling Crysis could also fix it. :S
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post #6 of 14
Quote:
Originally Posted by Daris1015;13553223 
Yes crysis 1.
I can max crysis 2 no problem

Crysis 2 should be running significantly better than Crysis 1 since C2 uses 4 cores, C1 only uses 2.

Just by comparison, even though the 2 cores C1 would use are probably clocked very high on that Sandy Bridge, simply talking about in comparison.
post #7 of 14
Quote:
Originally Posted by Daris1015;13553223 
Yes crysis 1.
I can max crysis 2 no problem

crysis1 is very poor optimize for sli setup , i think thats the game issue , cuz even with my gtx580 sli , i got around 35-45 fps , with some intensive battle even drop below 30 , so i suggest just lower AA
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post #8 of 14
Quote:
Originally Posted by teichu;13553922 
crysis1 is very poor optimize for sli setup , i think thats the game issue , cuz even with my gtx580 sli , i got around 35-45 fps , with some intensive battle even drop below 30 , so i suggest just lower AA

would you kindly do a crysis benchmark with your 580's for me please. biggrin.gif
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post #9 of 14
Crysis 2 is GPU limited, so is Crysis. I could run Crysis well 2 rigs ago, so I'd guess something is not right in software/drivers.
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post #10 of 14
Quote:
Originally Posted by 2thAche;13554140 
Crysis 2 is GPU limited, so is Crysis. I could run Crysis well 2 rigs ago, so I'd guess something is not right in software/drivers.

crysis 2 not very gpu demand as crysis 1 and crysis warhead , i can run crysis 2 without any issue with my sli setup , but when i ran crysis warhead, it gaves me poor performance
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Intel 520 Series 180GB SSD+WD Caviar Black 1TB ... RASA KIT EX360 WINDOWS 7 64 BIT Acer GD235HZ 120HZ 
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