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clock speed lowers as i increase resolution.

post #1 of 5
Thread Starter 
hello all....

i have a gtx 770 4gb......(im running 3x 1440x900 monitors for mechwarrior)

running furmark on it had me notice that the higher i set the resolution/.antiailiasing the lower my gpu would automatically set its clocks : S

to the point that using msi afterburner to overclock made no difference becuase as soon as i turned it up on msi my gpu would auto tune itself down.


really annoying....... and i can only figure out one answer for why. that essentially my gfx card cant render each frame fast enough at higher resolutions... due to a gpu memeory limit.... so it just turns down the gpu clock to save power (that isnt needed).

like the card knows its own bottleneck and turns eveything down to suit that?

is this an accurate description of what happening

or are my settings off?

any helps appreciated
jim
post #2 of 5
What temps are you hitting? That's the only thing I can think of. It's overheating?
     
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Hard DriveHard DriveCoolingOS
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post #3 of 5
All I can think is once you turn the resolution up, there is a bottleneck somewhere...what are your system specs?
post #4 of 5
Thread Starter 
thanks for the replies. the card is not over heating.

i have a sabertooth z77 mobo with an i7 3770k cpu running at 4.2ghz per core, h60 water cooler. 16gb of ddr3 ram. 60gb ssd for operating system. 2x 250gb hdd for storage

cant think the rest of my system is a bottleneck. its 3 or 4 yeasr old now... but id like to think its still pretty good? is it anymore?

thanks
jim
post #5 of 5
I would get GPU-Z and use that for monitoring the GPU's activity.

Because you are using furmark, what is happening is the rendering detail is getting higher, so it is saturating the GPU's resources more as you turn up the details (resolution/anti-aliasing). The GPU is turning itself down because it's bumping up against it's power limit.

If you haven't already, I would recommend maxing out your GPU's power and temperature limit. If you already have, then to partially quote Scotty from Star Trek: "She's givin' it all she's got, Captain!"



Your GTX 770 is acting exactly like it should. In normal gameplay, you probably won't see this behavior very often. Furmark is designed to completely saturate your GPU, thus what you are seeing.thumb.gif
Edited by Mad Pistol - 6/2/16 at 5:01pm
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