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Can you OC a factory OC card?

Last response: in Overclocking
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January 17, 2010 4:10:36 PM

If I buy a factory OC card, can I OC it further?

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a b U Graphics card
a c 197 K Overclocking
January 17, 2010 4:16:45 PM

Maybe. I wouldn't.
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January 18, 2010 5:15:28 AM

you can oc anything you want :)  i would, but dont blame me if yous psu blows up or something (which ive done before)
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a b U Graphics card
a b K Overclocking
January 18, 2010 1:59:47 PM

Yes, you can but usually you won't be able to squeeze more out of that factory OCed card, perhaps 50Mhz more.
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a b U Graphics card
a b K Overclocking
January 19, 2010 5:35:50 AM

Certainly Yes...To your satisfaction
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a b U Graphics card
January 19, 2010 5:53:32 AM

Just don't use ntune to do it. That can keep your fan from ramping up during high temps.
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a b U Graphics card
a b K Overclocking
January 19, 2010 5:55:33 AM

it depends on the card, and how much of a factory OC it comes with.

a vapor-x 5870 has alot of OCing headroom over the stock 20mhz boost.

the MSI cyclone SOC 4890 has virtually none over its stock 150mhz boost.

but if you dont try, you'll never find out :) 
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a b U Graphics card
a c 225 K Overclocking
January 19, 2010 11:35:52 AM

welshmousepk said:
it depends on the card, and how much of a factory OC it comes with.

a vapor-x 5870 has alot of OCing headroom over the stock 20mhz boost.

the MSI cyclone SOC 4890 has virtually none over its stock 150mhz boost.

but if you dont try, you'll never find out :) 


Good answer, I have a BFG 9800GTX+ OC 1G and it has hardly any headroom left and the little OC gain isn't worth messing with.

Also had 2 BFG 8800GT OC 512M that had plenty of headroom left, so OCing them was well worth the gain.

To the OP, you'll just have to test, and find out what you have and where you can go with it, and see if OCing it, is worth the gain.
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January 19, 2010 1:50:04 PM

Thanks to everyone.
I was going to go with Gigabyte's HD5670 OC. But I decided to go with a HD4770 and a 550w psu. I think we will be happy since my son and I are only moderate, at best, gamers.
I know this card is oclockable from the reviews.

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a b U Graphics card
a b K Overclocking
January 19, 2010 2:51:57 PM

Unless you volt mod the GPU, it really aint worth the extra 1 or 2 frames.... If the GPU is factory OC'ed then you should not be pushing the GPU farther for a minimal gain. With the volt mod you can achieve a higher OC but you also have the heat factor and voided warranty issue....
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a b U Graphics card
a b K Overclocking
January 19, 2010 3:31:41 PM

I have the xfx 4770 available at newegg. It o/c's from 750/800 to 900/1000. No volt mod. Use Riva Tuner with config file from guru3d.
Without any stability issues. The memory is specd 1000. I've done a bunch of benches it gives a big boost, about 20%. Dirt2 , RE5, 3dmark 06, stock goes from 14000 to 17800. Its a meaningless # , but its satisfying eeking out the extra performance.
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a b U Graphics card
a b K Overclocking
January 19, 2010 3:57:35 PM

Figure the chips that go onto an OC version of the card have already been handpicked to ensure they can run above stock spec. and in most cases the board itself will have better cooling on it - so you should have a better chance of them being able to go beyond what a normal card would go - but as OvrClkr said you probably will only gain marginal improvement at best over what the OC'd board already provides so it is not really worth the effort in most cases.
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a b U Graphics card
a b K Overclocking
January 19, 2010 4:29:50 PM

If you know what your are doing you should be fine, the problem is when you have no clue as to what you are doing =) ....
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