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MSI GTX 580 Lightning Overclocking - Page 2

post #11 of 23
Quote:
Originally Posted by compudaze;13519760 
I believe if I could cool the card better (I.E. water), I may be able to squeeze a few more MHz out of the core for benching.

You have the right idea wink.gif ..nice results btw.
post #12 of 23
Uhhhggg, unfortunately that means a generic cooler and little copper pasties all over your card.

Do you guys think bin'd reference 580's (TwFrz II) under water would be able to surpass a pair of lightnings on air? The Lightning can definitely take the power, but if it hits a wall @ 930, I'm not sure where the advantage is when you can WC a reference PCB.

(Not trying to troll, just haven't seen the real bonuses of a Lightning other than for vmods, LN2, and lab-grade bench-testing.)

What are your temps after a Metro 2033 loop of 10 or more?

Apply New TIM and cook it in overnight??
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Nytehawk Redux
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post #13 of 23
Quote:
Originally Posted by Nytehawk;13522008 
(Not trying to troll, just haven't seen the real bonuses of a Lightning other than for vmods, LN2, and lab-grade bench-testing.)

Agreed.. When you are thinking of paying almost 600$ for a single GPU.. you should probably need it for one of the above.. either that ..or extreme Resolution Q gaming. Its not for much else really.. and to confidently run a 900mhz core on a 580 with stock cooling is quite an achievement too, I might add wink.gif
post #14 of 23
I water cooled mine with an EK VGA Supreme block and the card only went up 10mhz more than with the TFIII. My max OC on air was 990mhz and with the block the top OC was 1ghz and 53ºC, no matter how much volts I use, it's the max of my card.

Finally, I use 950/2200 24/7 for gaming, the card is awsome, bout I was expecting a little more mhzs as top OC.
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post #15 of 23
its a temp limit.. if you could lower temps [even artificially] another 20c, Im sure you will find additional headroom.
post #16 of 23
I received this card a few weeks ago been trying to get it stable at 980 but can't seem to. I have an Arctic Accelero Xtreme Plus II cooler on it so my temps on my current OC of 960/2375 doesn't exceed 61degrees in Heaven 2.5 and 3Dmark 11 so there is plenty headroom for more mhz I just don't know how to set it. my vcore volts in Afterburner is +143 and seems very stable.

If I lower the memory will I get more vcore? This card should be fine running in the high 70's right? I don't think temps are an issue at all my vrms and memory dont go above like 50 something.
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post #17 of 23
I've found that sometimes lowering the Memory decreases the bandwidth enough to keep it stable. It's a fine line to find that right mix between Core and Memory, because that's what it boils down to.

I reached 923Mhz Core 1.1000v this weekend having some time to myself which I don't get often enough to sit down and bench. Highest I was willing to take it on stock air cooling.

Good luck in your endeavor to hit 1Ghz. smile.gif
     
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post #18 of 23
Yeah, I've noticed even at stock 832mhz if I put the voltage on Vcore above +155 the card becomes incredibly unstable with big frame drops. But anything below that and it's perfectly fine. My temps are great so I'm guessing something is limiting the card. I'm no expert overclocker but I'd love to get my card to 1GHZ
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post #19 of 23
Are you using the 3GB Lightning? What exhaust type is that? Blower model or not? I'm interested in running 3 of them in a 3-way SLI setup and I would like to know the better choice between stacking 3 EVGA 3GB 580s or 3 MSI 3GB 580s on air.

I know the EVGA model has a blower type. I've read that it's pretty difficult to run 3-way SLI if you don't have a blower type exhaust.
post #20 of 23
I have hit a wall with my SLI setup at 940MHz. I can't get any higher no matter how much voltage I use.
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