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[OFFICIAL] GTX 670 Overclocking - Page 11

post #101 of 1494
Quote:
Originally Posted by brettjv View Post

What ^^^ said. You HAVE to look at the graphs w/a 3d app running to see what your clocks are, due to the automatic Kepler boost. A +75 core offset means your actual clock is probably somewhere between 1200 and 1300MHz.

Fair enough. Here's a screenshot with my peaks after updating to the 301.42 drivers this morning and running RTHDribl in the background just to get my peak boost values. So far I haven't had any trouble with this OC, but if I shoot for +100 boost I'm fine for a bit and then the drivers will lock up/reset in anything that pushes the GPU toward 100% (including Heaven/Kombustor).

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post #102 of 1494
FWIW I've found that the various overclock scanners such as MSI kombuster aren't very good at showing instability. If you really want to check if your overclock is stable run unigine heaven or play your favorite games.

In the past I've run OC scanner for several hours with no issues only to crash within seconds of playing an actual game.

On a side note... I decided to order a universal waterblock for my 670 because even with fans maxed I can't keep it under 70°c and apparently the card downclocks beyond 70° otherwise I can get it to over 1300mhz which from what I gather is a great OC.

Hopefully the extra cooling will allow me to squeeze some more OC out of it aswell. After I get it all up and running I'll post my OC results.

btw I have an EVGA reference 670
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post #103 of 1494
I think those scanners are supposed to detect artifacts that you wouldn't normally notice, not just crash your video.
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post #104 of 1494
Quote:
Originally Posted by samwiches View Post

I think those scanners are supposed to detect artifacts that you wouldn't normally notice, not just crash your video.

They're supposed to, sure. I'm saying from my experience they don't work very well.
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post #105 of 1494
Guys, where do i start with overclocking my Asus Direct CU II TOP GTX 670? Its confusing compared to the old way of overclocking GPU's!
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post #106 of 1494
When using Afterburner it says my core clock in heaven 3.0 is 1241mhz but u havent even touched the overclock settings yet apart from +200 memory!!
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post #107 of 1494
Quote:
Originally Posted by Darylrese View Post

When using Afterburner it says my core clock in heaven 3.0 is 1241mhz but u havent even touched the overclock settings yet apart from +200 memory!!

Thats the card automatically boosting you to 1241mhz
post #108 of 1494
whys it doing that?? I thought my boost was 1137mhz stock??
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post #109 of 1494
Quote:
Originally Posted by Darylrese View Post

whys it doing that?? I thought my boost was 1137mhz stock??

Does it based on Thermal conditions. What are your max temps? And you have nothing to fear. This is a good thing
post #110 of 1494
there is some gtx670 card you can manage the core and memory voltage by hardware? like an intel "k" processor?
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