Tips on Overclocking the GTX 670 FTW

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Solution
nukemaster
If you are running into the power limit, you will need to increase that.

The clocks can move 13mhz at a time(this will be added to the factory boost clock. so if you had a boost of 1215 your next step of + 13 would land you at 1228). I have not seen any fine tuning on that card.

So try to raise it slowly and play some games. If things go bad, back off 13mhz and try again.

As you push the power limit, the VRMs will work harder and get hotter so do not go crazy. The FTW has a 680 PCB so the VRM section should be fairly good.

You can also set a manual fan profile that is more aggressive to help lower the temperatures of the card as well.
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nukemaster

nukemaster

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Nov 23, 2004
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If you are running into the power limit, you will need to increase that.

The clocks can move 13mhz at a time(this will be added to the factory boost clock. so if you had a boost of 1215 your next step of + 13 would land you at 1228). I have not seen any fine tuning on that card.

So try to raise it slowly and play some games. If things go bad, back off 13mhz and try again.

As you push the power limit, the VRMs will work harder and get hotter so do not go crazy. The FTW has a 680 PCB so the VRM section should be fairly good.

You can also set a manual fan profile that is more aggressive to help lower the temperatures of the card as well.
 
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Solution
nukemaster

nukemaster

Titan
Nov 23, 2004
19,626
6
74,965
The general rule for most video cards is about 80c, but that card will start to drop clock speeds at 70,80,85 and 95c. The drops are small at first, but if you get upto 95 it will clock down as much as it can to avoid damage.

You will want to try to stay under 70 because this will cause about a 13mhz drop(I have seen it said to be 14-15 as well, but I think it may be how the software reads the card).

You may find this guide interesting.
The GTX 670 Overclocking Master-Guide
Just note that not all GTX 670s have the same fan ranges. You will want something that is similarly aggressive to keep the temperatures in check.
 
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nukemaster

nukemaster

Titan
Nov 23, 2004
19,626
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Only you(and system stability) can truly decide that. All gpus are different(this is why the boost clock is not the same on all 670s).

The 680 board should have a bit more headroom since it a higher powered chip. You have that on your side for sure.

You also may want to benchmark to see how much improvement you are getting for the extra 104ish(I am guessing 104 based on the general 13mhz steps these cards use) mhz.

Not all games will have the same TDP either. Some will max clocks at lower TDP and some will run into it and clock down.
 
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