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Is it safe/normal

post #1 of 6
Thread Starter 
That after updating Nvidia drivers from the 320.18 WHQL drivers to the 320.49 Beta drivers my max stable memory clock with my GTX 670 went from 6.8Ghz to 7.6Ghz? Because before updating to 320.49 I had alot of artifacts or crashed if I pushed my memory clock beyond 7ghz. What do you guys think? Does my GTX 670 memory really overclocks to 7.6Ghz because of the new drivers or is it a bug in EVGA percision? I am using the same modded Vbios since January and my card is a Gigabyte Windforce X3 OC with 2Gb Vram. Temps are fine , sitting at 60 degrees. I am using Unigine Heaven benchmark 3.0


Evga precision 66k .jpg file

(-20 core clock because default in my modded Vbios is 1267Mhz and it's unstable.)
post #2 of 6
Maybe thats some sort of bug in EVGA precision. Check the mem clocks with some other software like GPUz. I cant see how new drivers suddenly gave you GPU memory that much more headroom
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post #3 of 6
Thread Starter 
I verified with GPU-Z , and it says 1900Mhz so it seems like it's really running at this speed. Is it safe to use this overclock 24/7?

Gpu Z.jpg 44k .jpg file
post #4 of 6
Old drivers must have been holding you back. Its safe to run at those mem speeds. Its voltage that kills GPUs
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post #5 of 6
Quote:
Originally Posted by dihartnell View Post

Old drivers must have been holding you back. Its safe to run at those mem speeds. Its voltage that kills GPUs

Heat + voltage, same as what degrades a cpu.
    
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post #6 of 6
Quote:
Originally Posted by FtW 420 View Post

Heat + voltage, same as what degrades a cpu.

Yes heat is the bi-product of voltage. Point being is that frequency is going to be an issue unless you've used a lot of voltage to reach that frequency.
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