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How to: 680 overclocking fundamentals - Page 10

post #91 of 125
@qwwwizx - I see why you would have thought that. smile.gif

Yeah I was excited to post my incoming system. I finished the hardware build last night. Software tonight. I should have a new bench with the sand card sane clocks to do a comparison. Ill need to learn a little about Ivy OC'ing first though. Going to do it at 4.0 Ghz like my i7 950 4.0 Ghz and compare clocks. I'm not going to try for anything over 4.50 Ghz. I hear Ivy at 4.5 Ghz is like Sandy at 5.0 Ghz. I'd be more than happy. wink.gif
     
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post #92 of 125
hopefully this isnt a stupid question... I keep reading everywhere that the voltage is locked on the 680's but in afterburner and Precision it allows me to adjust the voltage and it shows what i adjust it to in gpu-z and other monitoring tools. Just wondering if im missing something or are you able to adjust the voltage now. I just installed my card yesterday and got the most recent drivers from nvidia.
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post #93 of 125
The only thing with voltage is that you can keep it at a constant for instance
1.175 V maxed.
     
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post #94 of 125
ahhh i get it. thanks
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post #95 of 125
Quote:
Originally Posted by Arizonian View Post

@qwwwizx - I see why you would have thought that. smile.gif

Yeah I was excited to post my incoming system. I finished the hardware build last night. Software tonight. I should have a new bench with the sand card sane clocks to do a comparison. Ill need to learn a little about Ivy OC'ing first though. Going to do it at 4.0 Ghz like my i7 950 4.0 Ghz and compare clocks. I'm not going to try for anything over 4.50 Ghz. I hear Ivy at 4.5 Ghz is like Sandy at 5.0 Ghz. I'd be more than happy. wink.gif
4.5 with that h100? Man thats nothing for that cooler. You gotta shoot for 4.8+!!!
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post #96 of 125
+REP! Thank you so much. I had so much trouble with my OC just because everyone told me to put my power at 132%. I checked what I was actually using and it was at 112. I set it right to that number and my clock speed jumped from 1182 to 1252! Stayed steady at that number instead of jumping around all over! THANK YOU!
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post #97 of 125
after reading over the op again i payed more attention to the power target part. I keep hearing people say not to max it out cause it will raise temps and that will cause you card to clock down at certain temps. I understand that but since my card is water cooled and even running heaven on maxed settings i don't go over 50c i never even get close to hitting temps where it will clock down so lowering my power target wont do anything to my score.

i just want to make sure i understand that right and if temps are not an issue it is perfectly fine to leave the power target at 132% to get the maximum performance.


also my max clocks so far have been:
132%
+230 core
+500 memory

i can go higher in tests like furmark and kombustor but that is the max i can set to finish heaven in this thread with a score around 1405 http://www.overclock.net/t/1235557/official-top-30-heaven-benchmark-3-0-scores/0_30
Edited by whipple16 - 5/9/12 at 11:34am
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post #98 of 125
Quote:
Originally Posted by whipple16 View Post

after reading over the op again i payed more attention to the power target part. I keep hearing people say not to max it out cause it will raise temps and that will cause you card to clock down at certain temps. I understand that but since my card is water cooled and even running heaven on maxed settings i don't go over 50c i never even get close to hitting temps where it will clock down so lowering my power target wont do anything to my score.
i just want to make sure i understand that right and if temps are not an issue it is perfectly fine to leave the power target at 132% to get the maximum performance.
also my max clocks so far have been:
132%
+230 core
+500 memory
i can go higher in tests like furmark and kombustor but that is the max i can set to finish heaven in this thread with a score around 1405 http://www.overclock.net/t/1235557/official-top-30-heaven-benchmark-3-0-scores/0_30

Remeber that your offsets are not the same for everybody. Depending on base clocks which vary from card to card of different specs.

As for the power target under water if your keeping temps under 70C where down clocking starts to happen then your golden at +132 power target.

Your offset % doesn't tell us what base core or what GPU boost Core clocks your reaching.
     
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post #99 of 125
i just updated drivers to beta 310.24 and had to lower my clocks to pass heaven now....

+210 core (1269)
+500 memory (3506)
still at 132% target but it using only about 95%

is it because the voltage is locked that its not getting a higher percentage usage and my core cant go higher without crashing?
or does that mean that my core is maxed and im still not using 100% of the 1.175v so more voltage would be pointless?

hopefully its the first one and there can be a software unlock for the voltage and i will be able to increase my core and still not have to worry about temps...
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post #100 of 125
Quote:
Originally Posted by whipple16 View Post

i just updated drivers to beta 310.24 and had to lower my clocks to pass heaven now....

+210 core (1269)
+500 memory (3506)
still at 132% target but it using only about 95%

is it because the voltage is locked that its not getting a higher percentage usage and my core cant go higher without crashing?
or does that mean that my core is maxed and im still not using 100% of the 1.175v so more voltage would be pointless?

hopefully its the first one and there can be a software unlock for the voltage and i will be able to increase my core and still not have to worry about temps...
I don't really think there will be a software unlock for the reference cards. It seems to be locked down in hardware but it sure would be sweet.

Maybe you were just borderline stable before? I recently put my card back under water and was passing a few heaven benches like 20mhz higher than I could before. But it only lasted like three runs and started crashing again.

I think it has to do with the dynamic clocks. Its not always being maxed out even if its at 100%. So it can seem stable when it may not be.

Or maybe the other driver was just better?
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