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overclock 7900gt

post #1 of 16
Thread Starter 
http://www.ebuyer.co.uk/customer/pro...uct_uid=106255

Ok, If i wanted to oc the nuts off this card, what speed will I have to reach to turn it into a stock 7900gtx and is it capable of it? Also am gonna put a ac5 rev 3 on top.
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post #2 of 16
Well it's basically the same card as teh GTX but at slower speeds. They both have 24 pipes and 8 shaders. The stock GT speed is 450/1300 while the stock GTX speeds are 650/1600. So just OC to GTX speeds and you got A GTX. Easier said than done right? LOL. Anyways I bet the GT's will oc like mad for somebody that put's a little water to em.

EDIT:

The GT you linked too has already been oc by the manufacturer to 520/1500.
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post #3 of 16
that's not entirely acurate. You can't technically just buy a 7900GT and OC it to get a GTX. You may be able to get the same speeds as the GTX, but you will most likely never get the same performance and you will never have a GTX.

yes, both 7900GT and 7900GTX use the same gpu... both have the same number of pixel and vertex pipelines so you could get the GT core to the GTX frequencies quite easily (depending on if you get a good one or not) but the GTX has 512mb of RAM while the GT only has 256mb. So even if you get the GT to the same speeds as the GTX you will not have a GTX and your card will not perform equal to a 7900GTX because it will only have half the RAM.

Your best bet would probably be to get the GT and aim for stock GTX performance. you might be able to hit that... if you get a card that OC's really well. But someone who OC's a GTX... your card would not be able to compete.
It's probably similar to the difference bt/wn the 7800GT and 7800GTX 256. Both cards have the same core and same amount of RAM. the GT just has 4 pixel and 1 vertex pipe turned off. You can't unlock the extra pipes (unless you got one of the first few...) but you can OC a GT and get it to perform very similar to a stock GTX (within roughly 5%) However, once you OC that GTX then it leaves the GT behind performance wise.
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post #4 of 16
Thread Starter 
will a oc'd 7900gt to gtx stock speeds, easily handle all games on max. Including fear?
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post #5 of 16
that would depend on the rest of your system and on what resolution you were trying to run it on.

your system should be able to handle it... 2gb of RAM and all. so as long as you aren't running it on super high resolutions I don't see any reason why it wouldn't.
your 7800GTX should be able to as well
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post #6 of 16
Quote:
Originally Posted by Negotiator
will a oc'd 7900gt to gtx stock speeds, easily handle all games on max. Including fear?
A 7900GTX should be able to run everything maxed at 1024*768. If you go to 1280*1024 you might get the occasional slowdowns with everything on max though. I do on my x1900. Just turn down AA or AF slightly and it should be fine at this res.
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post #7 of 16
The only time you'll be able to do anything at MAX settings and res for your monitor is with either card in SLI, AA and AF really take its toll on 1 single card.

I would try to sell the GTX and get 2 7900GT's if you want the best performance, since 2 7900GT's are only a little more than a GTX and outperform 1 GTX
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post #8 of 16
    
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post #9 of 16
Don't forget the GTX has twice the ram. You can't overclock your ram quantity
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post #10 of 16
Quote:
Originally Posted by The Duke
Didn't you buy that duke? But yeah the memory difference will never make it the same, But it won't be that noticeable anyways.
    
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