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BF3 FPS drops to under 10

post #1 of 15
Thread Starter 
I used to be able to run bf3 fine on ultra settings and be getting 60fps easily.

I re-formatted my pc the other dy and just went to play bf3.

After 5 mins my fps drops to less than 10 hover between 7 - 9.

I tried turning settings down to high. No difference.

turned down to medium - no difference.

HBAO is off

AA - 2X

Motion blur is off.

any idea why its doing this?
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post #2 of 15
definitely try re-installing your nvidia drivers, I have SLI 570's too and I am using 306.02 working great with BF3
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post #3 of 15
Thread Starter 
just checked gpu memory usage is about 895mb out of 1.25GB.

gpu load when it drops goes down to 20%

CPU load is around 70%
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post #4 of 15
Thread Starter 
downloadin 306 drivers now see if that make a difference
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post #5 of 15
Thread Starter 
that seems to have fixed it.

Upped all my settings back to ultra and usage on vram is about 950mb.

gettingh around 70fps and 119 hz 1080.

edited a few settings in nvidia control panel as well.

Thanks for the help
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post #6 of 15
no problem!
    
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post #7 of 15
Thread Starter 
after turning it back up happened again during kharg island 64 player.

I left MSI afterburner running and checked the log and it was over the 1.25GB Vram usage.

Which setting will lower this down so that it doesn't happen
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post #8 of 15
Quote:
Originally Posted by passey View Post

after turning it back up happened again during kharg island 64 player.
I left MSI afterburner running and checked the log and it was over the 1.25GB Vram usage.
Which setting will lower this down so that it doesn't happen
Try lowering AA and AF to x2 or x4 (honestly, there's not a huge difference above 4x)
Also if there's a shadows setting I'd recommend lowering that or turning it off, you really don't notice the shadows when you're busy gaming.
    
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post #9 of 15
Quote:
Originally Posted by passey View Post

after turning it back up happened again during kharg island 64 player.

I left MSI afterburner running and checked the log and it was over the 1.25GB Vram usage.

Which setting will lower this down so that it doesn't happen

Textures. Put everything on Ultra except for textures, leave them on High. thumb.gif
    
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post #10 of 15
Quote:
Originally Posted by GanjaSMK View Post

Textures. Put everything on Ultra except for textures, leave them on High. thumb.gif

Or do what I said. That works better. How many times do you stare at a shadow and say "Damn, that's a fine lookin' shadow"? Exactly.
Now turn AA and AF to 16x and then to 4x. Notice how there's like a 1% difference?

Now how many times do you go in a game and say "Wow awesome textures"? Yup, just about every time. Assuming there are nice textures to look at.
    
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