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Having hard time OCing EVGA GTX680 Superclocked, need help :(

post #1 of 4
Thread Starter 
So.

I recently got my EVGA GTX680 SC version and I've installed an Arctic Cooling Accelero Twin Turbo II on it and I'm getting max 65c temperatures on core. I decided I wanted to try what this babe can do (of course) and started upping GPU clocks. I ended up with +50MHz on core which gives me 1239MHz boost clock which sounds quite low to me. Core voltage was 1.175V. I've read articles where reference cards do 1300MHz with ease. Well, I didn't worry about that and then started upping the memory clocks. Ended up with +300MHz which is 3402MHz (or 6804MHz, whatever). This sounds quite low too. A friend of mine has a reference model 680 and he can do easily 7000MHz on memory frown.gif

I know these cards are all unique but I was expecting a little better overclocker. Is there any way to up the voltage more? I tried adjusting it from MSI Afterburned and EVGA Precision X but 3D voltage was still standing at 1.175V.

Edit: Power % stayed below 100% at all times running Unigine Heaven at these clocks. Should I leave the power target to 100% or does it hurt to increase it to 110% or something?
Edited by Tuxi - 9/5/12 at 7:37am
post #2 of 4
Wish mine was stable at 1239. Can't get that high. frown.gif
There are modded BIOS files out there now that will unlock the voltage cap, I was reading this thread -
http://www.overclock.net/t/1289489/gtx-680-670-unlocked-voltage-bios/0_20

Not worth the risk to me though.
Holly
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Holly
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post #3 of 4
From what i remember reading, overall the 680 isn't that good of an overclocker, but its sibling the 670 is.

You seem to have a good overclock regardless. A bios flash would give you that extra bump you want, but it has risks involved with it.
Rubber
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Rubber
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Tighter than a
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Hard DriveHard DriveHard DriveCooling
Samsung 980 Seagate 3.5 5900rpm Seagate 2.5 7200rpm Corsair h110i 
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Windows 10 Pro X64 LG 23" LED Vizio 50" Gateway 19" 
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Corsair k95 RGB EVGA 1300W CM Storm Trooper Logitech g700 
Mouse PadAudio
Artscow Turtle Beach Elite 800 
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post #4 of 4
Thread Starter 
I had to drop down to 1229/3375MHz, crashed after running Heaven for a while frown.gif
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