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Discussion Starter · #1 ·
Im trying to find the perfect overclock for my EVGA GTX 680 FTW 4gb but im running through some issues and would like some advice. Im kind of new to all of this. I was told that using Heaven Benchmark would be the best way to find out if the overclock is stable or not.

Im using EVGA Precision to OC but would like some advice for settings that are good for others. I know that Overclocking is different for every card/chip but would like to see what i can accomplish by seeing others.

What settings are u using? The settings ive used without crashing the Driver while benchmarking in HEAVEN is

POWER-110
CORE-72
MEM-125
VOLTAGE-Stock
FAN-Auto

Im using the lastest Nvidia drivers- 314.07. My Temps stay in the low 60's while benchmarking so obviously the card isnt getting too hot.

Any Tips or ideas?
 

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Put your power target to the max and increase your core voltage in increments of 5 or 10 depending on how precise you want to be, do this while looping Heaven. My card is very similar to yours and can do 1.3GHz, mine is a pretty good card but aim for at least 1.2GHz because 99% of cards can do that.
If you find you aren't able to get a very high overclock try setting up a custom fan curve.
Here's mine:



EDIT: Here's my settings too, remember my stock clock is a bit lower than yours because I have the SC edition while you have the FTW.

 

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What about 2 of em in sli, i want to do some OC on the cards.
Currently getting 10750 on Fire strike at defaults.
 

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I have two FTW+ 4gb in sli and I can't get them stable past 1220 core and 3400 memory. I think I had a better overclock with a single card. Either way, stock settings are good enough for the games I'm playing right now (in sli).
 

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Discussion Starter · #5 ·
I definitely plan on going SLI within the next week or so, and if i understand correctly, isnt my FTW OC'd already in stock? Quick off topic question towards manny1222, are u playing on one 1080p monitor? if so, what kind of real world performance upgrades are u seeing in SLI compared to Single 680?
 

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Quote:
Originally Posted by mikaeldalc View Post

I definitely plan on going SLI within the next week or so, and if i understand correctly, isnt my FTW OC'd already in stock? Quick off topic question towards manny1222, are u playing on one 1080p monitor? if so, what kind of real world performance upgrades are u seeing in SLI compared to Single 680?
Yes the FTW is overclock already.
For me, SLI was a necessity. I'm playing on three Samsung T260 monitors (each 1920x1200 resolution) in surrond for a total bezel corrected resolution of 6120x1200.
Here's a picture http://www.overclock.net/g/i/1081877/a/787232/official-nvidia-surround/sort/display_order/
Since my monitors have a refresh rate of 60, I have adaptive v-sync enabled. Currently playing Dirt 3 and F1 2011 (and occasionally deus ex and borderlands 2). Non of those games are particularly demanding, so I get constant 60fps with gpu usage between 40 and 65% on stock core and memory clocks. I used to have to overclock my single card to drive all three monitors for Dirt 3. It's also possible newer drivers are helping performance.
I would say that if you only have one monitor you don't need SLI, unless it's 1440P or 1600P, or you are using a 120Hz monitor. Otherwise it's a waste of money.
 
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