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graphics card keeps fluctuating speed in battlefield 3

post #1 of 8
Thread Starter 
i have tri sli 780s and the core speed keeps fluctuating between 920 to 1215mhz (max OC set through evga precision x).

i used to have a 580 that would just stick at the max core speed once set instead of fluctuating.

is this normal? how do i get my cards to stay at max speed the whole time like with the 580?
Edited by n00bl0rd - 9/22/13 at 6:22pm
post #2 of 8
Thread Starter 
guys can u pls help me
post #3 of 8
Quote:
Originally Posted by n00bl0rd View Post

guys can u pls help me

 

Does this have any effect on the fps you are getting?

post #4 of 8
Thread Starter 
well im not sure. the game runs fine but when i ran heaven tool and valley my GPU speed was 1215. in battlefield 3 it fluctuates.. sometimes 920, sometimes 1076, sometimes 1189, i got in a chopper and it was 1215... its all over the place. idk if this is right or not.

on my old graphics card the speed was always what i set it to. so if i set it to (for example) 1000mhz it would always be 1000mhz
post #5 of 8

It might be because the other cards aren't being used completely, which is not surprising considering the nature of your setup. I wouldn't worry too much; the fluctuation is just fluctuation in the game's utilisation of your cards.

post #6 of 8
I have 2 GTX780 cards and this happens to me also - It doesn't affect FPS. If the game needs the power, It'll use it - else the card will not use it's full utilization... Tagkaman is right, no need to worry unless it's affecting your game. thumb.gif
post #7 of 8
If you use Vsync you wont they wont need to run at 1215mhz to sustain your sync and therefore downclock.

You can stop them from doing it by heading into the Nvidia control panel and setting the power setting to prefer maximum performance.
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0verK1LL
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post #8 of 8
NOOB, I guess it has to do with the power/temperature management that is embedded in the newer cards...FERMI (your 580) probably had 3 power stages...very low (desktop/web browsing), 50% (video watching or gfx accelerated apps) and 100% (running a game)....now, the 600 and 700 series are meant to fluctuate (GPUBOOST).

V-sync is great for me in BF3. No input lag ,no slow-downs/stuters, gfx cards are running cooler/quieter (you're not asking them to run full blast)..

I always used it with my SLI setup....now, I gave one of my GTX560TI to my kid...waiting for X-mas to get myself a GTX760/770 SLI setup....V-sync it's gonna run!
Edited by delavan - 9/23/13 at 5:15am
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