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6870 crossfire vram bottlenecking BF3?

post #1 of 20
Thread Starter 
So i have 2500k at 5ghz and 2 6870s i uninstalled cap and the game is much smoother but there is no way i can turn on anyform of aa even 2x makes it too choppy for me (i have a 1080p 120hz display). So im looking for 100 ish fps

What should i do one of the cards i can return and the other i can sell would a 2GB card be that much better?

Does anyone have bf3 running on crossfire 2gb 6870s or better?

Is it just not enough gpu power or is it the vram i know msi afterburner says 1.5-1.8 of vram is being used but how can it use more then i have.

Id rather only have 1 card but theres no gpu out that powerful so im stuck with cf i think

Im not sure what to do



I wanted to add i turn ambient occlusion off and run everything on high cept the aa all the aa is off no vsync

Get about 100fps with those settings 75-90 with ultra sounds like a bottleneck to me.
Edited by stevevace2 - 10/25/11 at 2:43pm
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post #2 of 20
Thread Starter 
did some more digging seems like vram has no issue in bf3
mabye my gpus just too weak?
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post #3 of 20
what do you mean by 'choppy' ?

there are some known crossfire issues with BF3.
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post #4 of 20
Thread Starter 
ehh it just too low framerate feels bad but i uninstalled cap 3 still micro stutters but its a lot less but i still see it doubt it will ever be fixed
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post #5 of 20
**** i hope its not going to be a problem.. ive got the game in the mail, getting it tomorrow. Fairly similar setup to yours..

Your complaining about 100fps? or even 70fps? i will be happy with that! Im sick of hearing it but you do know you cant tell the difference between 60fps and 100..
I guess it depends what you mean by choppy
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post #6 of 20
Quote:
Originally Posted by stevevace2 View Post
.... but i still see it doubt it will ever be fixed
Game isnt even out in some country's (ie mine) and you dont think it will ever be fixed? heard of patch's dude? LMAO
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post #7 of 20
Thread Starter 
well i mean micro stutterings been around forever and id be happy with 75 fps if it didnt look like 25 fps basicly thats whats going on.

i get high framerates but it looks choppy casue of stutter
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post #8 of 20
if i add any aa its get bad for me also msi shows around 1900 mb vram usage for me
post #9 of 20
Thread Starter 
i mean on ultra i get 60 fps but it looks really stuttery
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post #10 of 20
Well I'm not sure if it's a VRAM problem but I do remember reading a report on Tom's Hardware that showed that micro-stuttering was significantly more noticeable on CF 6870's or lower. Do you have any other intensive games like Crysis/Metro 2033 that you could test? If it only happens in BF3 then I'm not sure what the problem is, but I doubt it has anything to do with the VRAM.
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