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Worse perf. in BF4 with 2nd gpu? Please help!

post #1 of 18
Thread Starter 
Hi All

Current setup:

2560x1440p monitor, single gtx 670. Fps: 48 minimum, 60 average. I add a second gtx 670 to the mix and for some reason my fps is now: minimum 33, average 60. What am I doing wrong? Everytime I get killed now on BF4 my screen like locks up for a second or so, its so annoying.

Anyone know how to fix this? Ive tried running latest 335 driver, downgrading to 334 which up until today ahs worked fine for me. Ive also attempted to change my NV SLI setting to make BF4 run in maximum performance mode, and ive tried editing my BF4 profile using nvidia inspector, neither of which have worked.

thank you for your help
post #2 of 18
Weird. What kind of CPU, GPU load level it shows?
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Made in USSR
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post #3 of 18
Thread Starter 
CPU seems to go to 50% or more judging by my sidebar gadget, gpus both seem to go to 100% load according to gpuz. The memory is at full allocated, >1900mb out of 2000mb available. But I dont understand how my fps goes down with 2gpus, unless somehow because the gpu has more power it runs out of memory...I dont know.

Also wierd thing that started today is the kiling bug, when I get killed the screen hangs for a second, prior to today it never did this.
post #4 of 18
What if you decrease the vram usage?
post #5 of 18
Thread Starter 
how do i do that?
post #6 of 18
Quote:
Originally Posted by $ilent View Post

how do i do that?

Disable AA
post #7 of 18
Quote:
Originally Posted by $ilent View Post

how do i do that?
Quote:
Originally Posted by iRUSH View Post

Disable AA
also shutting off some filters or lowering graphics details
post #8 of 18
Thread Starter 
Ahh, i see tongue.gif

I will give it a shot, thanks guys xD
post #9 of 18
Thread Starter 
well setting nvidia to optimize the game, its turned a few settings down, notably about half of the settings down to low/medium. Which I find strange, but its stopped that annoying screen lock issue.
post #10 of 18
Quote:
Originally Posted by $ilent View Post

well setting nvidia to optimize the game, its turned a few settings down, notably about half of the settings down to low/medium. Which I find strange, but its stopped that annoying screen lock issue.

Yup, BF4 at your resolution eats VRAM for a snack.
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