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[Official] GTX 580 Overclocking Club - Page 9

post #81 of 3582
Quote:
Originally Posted by cba1986;14012192 
I said that becouse 1.2 is my absolut limit. Currently at 925 @ 1.1(+106) and barely touch 52 degrees in GTA IV. So there is no point to me to OC further. This thing is a beast even at stock clocks.

I know i can achieve more. But i don't need it.... now.

LOL. I thought you meant that as a disclaimer in your oginal post and I was backiing you up. Your hitting 1.2v and was warning others.

I agree with you about over clocking. Some OCN members like to OC more of a hobby and bench the hell out of their systems. I'm like you, at stocks I'm happy and don't mind pushing it a little but don't feel comfortable to find the ceiling. On air I feel without going over 1.1v which is my limit of comfort zone @ 912 core was ceiling for me.
     
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post #82 of 3582
Quote:
Originally Posted by Majin SSJ Eric;14011065 
After reading through this entire thread (painfully) I am still trying to figure out what is the max safe offset voltage I can set in MSI AB with my 580 Lightnings? My max OC at the moment is 900MHz Core at +25mV. Weirdly my VCCD in GPU-z remains at 1.025 under load no matter what I set the offset to in AB.

For the record, 900MHz at +25mV is stable in every test I've run but I'm trying to figure how much higher I can bump the offset safely. Max allowable is +200mV. Am I right in thinking that MSI set this max offset as the maximum a 580 Lightning can handle? If so, my goal of 950MHz core may be possible....

I will tell you what I know for a fact and what I have experienced.


The absolute maximum Nvidia approved voltage is 1.2V.
940 MHZ should be achievable well below this 1.2V perimeter.

I personally was using 1.15 - 1.2V and achieved 1GHZ.
But I was using a specified BIOS that did some voltage adjustments.
Also did it release the Shaderclock which enabled me to lower it in order to to stablize and increase the core clock more.

For 940MHZ on the Lightning use 1.1V and see how it goes.
Of course that should only be used as a guideline but it is the values most people use at those settings.

I have researched some oc results on Hwbot and most of the people around 950MHZ use that voltage values.

Try it out:)
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post #83 of 3582
I've now gotten them up to 920mhz at +63mV. I'm going to go as high as +125mV but that will be my limit so whatever OC is stable at that voltage will be my max.
post #84 of 3582
Currently at 950/1900/2150 with +12mV.

I was rock solid stable at 917/1843/2100 with no voltage increase.
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post #85 of 3582
Quote:
Originally Posted by Majin SSJ Eric;14012724 
I've now gotten them up to 920mhz at +63mV. I'm going to go as high as +125mV but that will be my limit so whatever OC is stable at that voltage will be my max.

Here is a good example:

09:30
+150 mv shown here for 960MHZ you can use it as orientation.
[ame]http://www.youtube.com/watch?v=foCZWEa0GSU[/ame]
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post #86 of 3582
Quote:
Originally Posted by Arizonian;14010016 
Edited to add questions asked by KungPow below in same thread.
1. Didn't keep record of load temsp to be exact. I do remember I never went over 85C-86C on my card, ever.
2. @ 912 core I was using 99% of my GPU. Didn't keep track of CPU.
3. To be honest a 13% over clock 24/7 suits me fine don't want to stay 24/7 any higher personally.

I'm done with my testing, my GTX 580 stock plays all my game settings and AA maxed. My over clock is over kill, what is over kill, did I just say that?

3D vision is playable for me on all my games except Metro 2033 where I have to turn down settings for 3D, but I don't play that game anymore, use it more for a benchmark than a fun game to play. Crysis 2 my main game is at 50-60 FPS constant without V-sync on in 3D vision very playable even maxed settings. Everything else I own is cake. Batman Arkum Asylum is the best in 3D, I'm constant 60 FPS without V-sync and looks the best of the ones I own. Can't wait for Arkum City. Anticipate Battlefield 3 won't be any more demanding than Crysis 2.

I am personally awaiting

Assassins Creed Revelations
Call of Duty Modern Warfare 3


To play all those games at maximum settings with Vsync and therefor solid 60FPS I would like to find the optimal clock for my Lightning.

An overclock that will both keep the card cool at a quiet and reasonable fan setting and still deliver the extra performance to make a noticable or ideally significant difference in games and other graphic intensive applications:)

I am sure other would like to find that OC harmony as well^^
The overclockability of all the non ref 580´s may differ but not the cooling efficiency regarding the same series.

So I am sure we can establish a value for all Lightings,DCII etc in which we can determine the certain clock and the cooling conditions required to keep it cool, quiet and stable:)


Again cheers.gif to all the 580 owners biggrin.gif
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post #87 of 3582
Quote:
Originally Posted by Arizonian;14012452 
LOL. I thought you meant that as a disclaimer in your oginal post and I was backiing you up. Your hitting 1.2v and was warning others.

I agree with you about over clocking. Some OCN members like to OC more of a hobby and bench the hell out of their systems. I'm like you, at stocks I'm happy and don't mind pushing it a little but don't feel comfortable to find the ceiling. On air I feel without going over 1.1v which is my limit of comfort zone @ 912 core was ceiling for me.

Uops tongue.gif
This graphics ask for some serious Oc. But 1.1 and 925 is my comfort zone.
Quote:
Originally Posted by bovice163;14012734 
Currently at 950/1900/2150 with +12mV.

I was rock solid stable at 917/1843/2100 with no voltage increase.

Only +12 for 950. eek.gif
You must have a golden chip.
post #88 of 3582
Quote:
Originally Posted by Kung Pow;14005750 
Yes like I said 1.5V should only be attempted by the ones that absolutely wanna crack the cards last MHZ... but I have to admit it is a little unreal for the targeted group of this thread:)

My vision and intended purpose of this thread is to create a big pile of scores and results in order to give people the opportunity of better orientation and guidance to enable them of reaching their individual personal overclocking goal:D

Thank you for your understanding and patience though, you are a great mod thumb.gif
Hope you can also answer to #64 since I busted my chops for that one:P

P.S: What Alice game are you playing?confused.gif Alice in the Wonderland? I could swear to have seen footage of a remake somewhere:) Something with a darker and black humor gameplay?

Thanks for the props. I'm not sure what you mean by an 'answer' to #64, but I suppose my response would be ... this MSi tech doesn't know what he's on about if he's talking about voltage 'efficiency' being higher because the card has more power phases.

IOW, if he's actually saying that 1.1V on the Lightning is somehow going to provide the same OC as 1.2V on a DCII (a roughly 10% difference) because the voltage is more 'efficient' ... I don't have to wait to hear his response on the question, because I already know that he's wrong biggrin.gif

What the extra phases do is provide a more consistently-regulated delivery ... but the variations we're talking about here are very minute, and nowhere near the scale of 10%. Like I said above, the difference is something like this (not that these are precise numbers, but it's along these lines):
1.1V (setting) on 4-phases: 1.095-1.105 (actual delivered volts at any given moment)
1.1V (setting) on 6-phases: 1.097-1.103 (actual delivered volts at any given moment)

And the game is Alice: Madness Returns. It's an amazing-looking game that will massively tax your hardware if you try to run with PhysX on 'High' without a powerful, dedicated physX card. Although it's amazing looks are more a result of incredible artistic creativity vs. it actually looking as good as, say, Crysis 2 or Metro2033. The dated Unreal 3 engine it's using isn't really capable of matching the looks of the newer engines ... but taken as a whole, the game still looks quite brilliant.
Edited by brettjv - 6/26/11 at 1:14pm
    
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post #89 of 3582
Quote:
Originally Posted by cba1986;14012907 
Uops tongue.gif
This graphics ask for some serious Oc. But 1.1 and 925 is my comfort zone.



Only +12 for 950. eek.gif
You must have a golden chip.

Really? Awesome! And I honestly feel like I can run it on less than 12mV. I really have no need to, but I'll push this beast a little further and see if I can hit 1GHz.
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post #90 of 3582
Quote:
Originally Posted by brettjv;14012948 
Thanks for the props. I'm not sure what you mean by an 'answer' to #64, but I suppose my response would be ... this MSi tech doesn't know what he's on about if he's talking about voltage 'efficiency' being higher because the card has more power phases.

IOW, if he's actually saying that 1.1V on the Lightning is somehow going to provide the same OC as 1.2V on a DCII (a roughly 10% difference) because the voltage is more 'efficient' ... I don't have to wait to hear his response on the question, because I already know that he's wrong biggrin.gif

Like I say, what the extra phases do is provide a more consistently-regulated delivery ... but the variations we're talking about here are very minute, and nowhere near the scale of 10%. Like I said above, what the extra phases do for you is something like this (not that these are precise numbers, but it's along these lines):
1.1V (setting) on 4-phases: 1.095-1.105 (actual delivered volts at any given moment)
1.1V (setting) on 6-phases: 1.097-1.103 (actual delivered volts at any given moment)

And the game is Alice: Madness Returns. It's an amazing-looking game that will massively tax your hardware if you try to run with PhysX on 'High' without a powerful, dedicated physX card. Although it's amazing looks are more a result of incredible artistic creativity vs. it actually looking as good as, say, Crysis 2 or Metro2033. The dated Unreal 3 engine it's using isn't really capable of matching the looks of the newer engines ... but taken as a whole, the game still looks quite brilliant.

Yeah, I wanted to research and educate myself about this subject further instead of listening to the tech.

And from a scientific or phase operation pattern point of view it is impossible for power to have more efficiency just because of the channeling through more phases.

The reason why voltage has measurment is so that the "efficiency" can be measured.
1 Volt is 1 Volt and cannot be improved or enhanced in any way or form regardless of phases:)


Yes I checked some gameplay of this Alice game out on youtube and it looks really nice.
Reminds me a bit of a Little Sister from Bioshock to be honest:)
BTW omg Bioshock Infinite^^
It seems like since Crysis Game developers have learned that the real money isn´t in the gameplay anymore but rather to give people a chance of testing and stressing their hardware by creating a game with highly sophisticated hardware needs:)

Thx for the clearification though or I would have gone along believing this nonsense:ninja:
Edited by Kung Pow - 6/26/11 at 1:08pm
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