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6990 BF3 Dilemma. - Page 3

post #21 of 38
Quote:
Originally Posted by Kosai View Post

I should also mention I run with HT OFF, maybe enabling HT will help? I will try this too after I run a new driver plus cap.

not sure what it'd for a 6-core, but it's worth a try. i think they fixed HT-related stuttering in the first patch, too.
post #22 of 38
With my 6990+6970 I get 99% - 99% - 97% at 1080p. Im using 11.11c and 11.11 CAP3.
post #23 of 38
Thread Starter 
Well I installed a 11.12 beta, same nothing changed , added CAP 3 same result.

Then I turned on HT.... now that seemed to fix it, now I'm getting 95%-99% GPU usage with HT ON... for now.
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post #24 of 38
OP are you using Vsync? If so turn it off and you will see 99% usage. Running with vsync forces the game to run at 60fps (for 60hz monitors) and therefore your GPU's don't have to work as hard. I saw 70- 85% usage using a 590 vsync'd in bf3.
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post #25 of 38
Thread Starter 
Of course I have it turned off...
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post #26 of 38
Thread Starter 
Well I just ran Bad Company 2, and heh it made me laugh I was getting 120-200fps with everything maxed 4xAA with GPU usage being 60-80% so yeah it definitely has to be a driver issue.

I remember getting 99% usage with older drivers on BC2, but with about the same amount fps.... strange.

This sorta clears calms my nerves down about any possible bottleneck. I'm tempted to plug in my 6990 into my old ass E8400 Dual core to see some REAL bottleneck, even thought that would require me to make it a fraken rig by having swap out my PSU and GPU just for laughs.
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post #27 of 38
There is no need cap3 for 11.12 by the way.


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post #28 of 38
Thread Starter 
Ok this is what baffles me, now I'm noticing it on large maps on very open parts, small maps like Bazaar I get 99% GPU usage:

Notice my CPU usage during the gameplay pic below: ( i sat there for like 5 mins to get a clean reading of CPU usage)

It's not even 99%?!
cpuusage.png

bf320111212200602448.png

Mind you I didn't have this issue with a single 5970..... I'm thinking drivers are to blame?
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post #29 of 38

I'm going to restate a few things.

 

The 6950 and 6970 model are slower than the 5000 series.

The 6990 is Crossfire of 6970 but downclocked. And even back to the same clock, Crossfire 6970 is still faster than 6990.

HD 6000 series has more power on tesselation vs 5000 while the 5970 is still the lead in performances over many things unless the game is heavy tesselated.

 

Turn off AA x1. There is no need and use FXAA instead at High (Post-effect/processing in BF3)

 

 

I doubt above what I said would related to 99% vs 70% usage anyways. But looks like there is something else as well on your system.


Edited by djriful - 12/12/11 at 5:40pm
 
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post #30 of 38
Thread Starter 
That's all good but I have MSAA OFF, ans FSAA on high. I'll try it with both off.
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