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Radeon 6870 BF3 VRAM

post #1 of 10
Thread Starter 
I have been having issues with BF3 having these 1-2 second freezes every ~45 seconds. I left the settings on Auto which sets it to the same settings as High. Would this problem be caused by running out of VRAM?

Also, anyone have some suggestions for graphic setup to keep >30FPS and stop these freezes? I have died way too many times because of the screen freezing right as I walk into an enemy.
post #2 of 10
Set it all to medium then try it. If the problem goes it prob vram.
Turn off blurr and the filtering also. These are hungry.
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post #3 of 10
Disable desktop composition via BF3.exe/compatibility tab and it will switch to the basic scheme to reduce background VRAM usage on your card if thats a problem.
 
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post #4 of 10
Might be.

But I had a 6850 and I ran high with no problems.
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post #5 of 10
You can check VRAM usage with GPU-Z.
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post #6 of 10
I get these frequent small freezes if i put textures at Ultra, very annoying.

Luckily i'm fine with High, can't really see a difference and there's no freezes.

My guess is that it's Vram that runs out. Or could it be my Ram? I have only 4gb and i have noticed via task manager that Ram usage is higher with Ultra textures.

Shaded War; I have a mixture of High/Medium and i get well above 30fps average, actually about 60 avg on the heavier maps, minimums about 43-45fps. 70+ avg on maps like Seine Crossing. No AA at all. Still looks great imo.
Edited by Guovssohas - 4/24/12 at 12:52pm
post #7 of 10
Quote:
Originally Posted by Guovssohas View Post

I get these frequent small freezes if i put textures at Ultra, very annoying.
Luckily i'm fine with High, can't really see a difference and there's no freezes.
My guess is that it's Vram that runs out. Or could it be my Ram? I have only 4gb and i have noticed via task manager that Ram usage is higher with Ultra textures.
Shaded War; I have a mixture of High/Medium and i get well above 30fps average, actually about 60 avg on the heavier maps, minimums about 43-45fps. 70+ avg on maps like Seine Crossing. No AA at all. Still looks great imo.

It's the VRAM (I'm talking about Ultra).

Like I said, my 6850 1GB was doing ok in high, but in Ultra = insta stuttering.

BF3 uses up to 1.5-1.6GB of VRAM at Ultra.
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post #8 of 10
Thread Starter 
I set shadows to medium and turned HBAO off and that seems to fix it. I still have to try Karkand again because that map was the biggest problem of them all.
post #9 of 10
Thread Starter 
Quote:
Originally Posted by Blindrage606 View Post

Disable desktop composition via BF3.exe/compatibility tab and it will switch to the basic scheme to reduce background VRAM usage on your card if thats a problem.

This worked great. Now I can run high with no problems.
post #10 of 10
I can confirm that these freezes are in fact the lack of VRAM in your card. A friend of mine has the 1GB version of my card and he is getting the same issue when he tries to max out BF3.

Not a problem though - we play on all low for stable FPS. rolleyes.gif
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