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~~The GTX 670 Overclocking Master-Guide~~ - Page 202

post #2011 of 3357
Quote:
Originally Posted by EarlZ View Post

Ive seen some 2600K's that also do about 11-12k at the same or lower clock speeds.. is 9200 really the expected CPU score for Physics?
2600K's at 5 GHz tend to only just break 11.5k, some only just reach 11k at that speed.
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post #2012 of 3357
Quote:
Originally Posted by Draknareth View Post

2600K's at 5 GHz tend to only just break 11.5k, some only just reach 11k at that speed.

I dont think that 200Mhz that im missing is gonna give me 2300 points more, dunno whats wrong though..
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post #2013 of 3357
I have a Palit Jetstream GTX670, and i tried this guide. I only managed to squeeze out a small bit out of it.

Stock:
Boost Clock: 1085
Memory Clock: 1527
Max Boost: 1150 (just around 65 Kepler boost thumbsdownsmileyanim.gif)

OC:
Boost Clock: 1140 (+50 offset)
Memory Clock: 1652 (+250 offset)
Max Boost: 1202 (this goes down to 1189 at full load for prolonged periods because temps go beyond 70c)

What do you guys think of the results? This card runs quite hot, I only managed to setup my fan profile to Quiet because when I try to follow the Performance curve, it goes above 70c anyway.

Also, I don't know if I'm identifying artifacts correctly, haha. My only idea of artifacts are the ones I see in youtube where the artifacting is so blatantly obvious. I don't know if I missed any artifacts in Heaven benchmark while testing.. confusedsmiley.png
Edited by mokmoki - 3/20/13 at 6:30pm
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post #2014 of 3357
all the artifacts ive seen are red or green sunbursts.
hows your airflow? with a good fan profile, you shouldnt get that hot.
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post #2015 of 3357
well... I only have stock NZXT Phantom 410 case fans and the fans of my h100i mounted up top..

1 x 140mm at the front (intake)
1 x 120mm at the bottom (intake)
1 x 120mm at the rear (exhaust)
2 x 120mm at the top for the H100i radiator (exhaust)

when i load tested my GPU using the overclock settings, i get temps above 70c even with the fans set at max (90%). it might be the ambient temps here, i live in the Philippines and it's quite hot here. my idle GPU temp hovers at 35~36c.
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post #2016 of 3357
Quote:
Originally Posted by mokmoki View Post

I have a Palit Jetstream GTX670, and i tried this guide. I only managed to squeeze out a small bit out of it.

Stock:
Boost Clock: 1085
Memory Clock: 1527
Max Boost: 1150 (just around 65 Kepler boost thumbsdownsmileyanim.gif)

OC:
Boost Clock: 1140 (+50 offset)
Memory Clock: 1652 (+250 offset)
Max Boost: 1202 (this goes down to 1189 at full load for prolonged periods because temps go beyond 70c)

What do you guys think of the results? This card runs quite hot, I only managed to setup my fan profile to Quiet because when I try to follow the Performance curve, it goes above 70c anyway.

Also, I don't know if I'm identifying artifacts correctly, haha. My only idea of artifacts are the ones I see in youtube where the artifacting is so blatantly obvious. I don't know if I missed any artifacts in Heaven benchmark while testing.. confusedsmiley.png

Gotta love the Jetstream. They did a brilliant job of making a dual fan cooler as inefficient as possible!
post #2017 of 3357
Is there a way that I can limit my second card to 1202, because it goes upto 1215 and it bugs the hell out of me and I want it to stay at 1202 just like my first card.. Maybe this is doable with the kepler bios unlock?

Im currently using MSI-AB to overclock my cards and I have them at +100Core offset, if I dont sync the cards though one of them will fail to apply the overclock after a reboot.
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post #2018 of 3357
Quote:
Originally Posted by EarlZ View Post

Is there a way that I can limit my second card to 1202, because it goes upto 1215 and it bugs the hell out of me and I want it to stay at 1202 just like my first card.. Maybe this is doable with the kepler bios unlock?

Im currently using MSI-AB to overclock my cards and I have them at +100Core offset, if I dont sync the cards though one of them will fail to apply the overclock after a reboot.

Yes, use KBT to specify your BIOS' max boost clock to 1202 and flash.
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post #2019 of 3357
Quote:
Originally Posted by kevindd992002 View Post

Yes, use KBT to specify your BIOS' max boost clock to 1202 and flash.

Im currently using KGB from xtreme systems, it has an option to limit the max boost but it does not seem to work properly. I'll try this. thanks!

So after checking with this tool the boost limit on both cards are already at 1202. Not sure why the second card is doing 1215.. but it moves down the back up from time to time.
Edited by EarlZ - 3/23/13 at 2:53am
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post #2020 of 3357
Hello

Excellent guide, however I have a couple of questions if anyone can help as I've not overclocked anything before.

I'm running 2 Gigabyte 4gb 670's SLI which are connected to 3 120hz monitors, I've turned sync off and I am going to OC one after the other, I'm following the quick guide and got to the first benchmark, setting a custom resolution and apart from selecting Multi monitor in Heaven, everything is as it is in the guide.

However when the benchmark begins I can see everything but it is as if there is a thin veil of blue mist over the screens, this only happens in the benchmark not in a normal run through, is it normal or am I doing it all wrong?

Thanks in advance for any advice.
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