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My 7900 GTO overclock

post #1 of 11
Thread Starter 
Tested for 20 minutes with ATItool.

Leveled off at about 55C after 5 minutes.

But I am at 700/760,

Am I really surpassing GTX core speeds and coming close to GTX memory speeds here?

I've got a page of the specs up in the middle, for comparison.

Should I test longer?
    
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post #2 of 11
The card has the same core as the 7900GTX so no surprise there and the card has the same memory as 7900GTXs just with less voltage so the card has tons of overclocking potential. With a voltmod you can get that memory up far beyond a stock 7900GTX.
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post #3 of 11
yes very nice OC, and very nice temps, a stock 7900GTX is 650 core/1600mem
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post #4 of 11
Thread Starter 
Quote:
Originally Posted by The Viper View Post
yes very nice OC, and very nice temps, a stock 7900GTX is 650 core/1600mem
I KNEW there was a reason my buddy urged me to get this card. I can see why it was in such high demand, in addition to the smaller batch manufactered.

I'm replaying HL2 now at full 16:10 aspect ratio 1680x1050 resolution.

Everything on high, Vsync is on. Not sure of frame rates but its perfectly smooth.

I need an X-Fi and some surround speakers now....

I know the game is a year or two old, but playing now and comparing it to playing it on my 1.7ghz Willamette 9600XT system, wow....just wow....

Got around 4800 on 3dmark06 on stock settings, overclocked it to near GTX speeds and got 5400....woooooo!!!!

I think it's time to push the Allendale now....
    
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post #5 of 11
Quote:
Originally Posted by MasterBillyQuizBoy View Post
Got around 4800 on 3dmark06 on stock settings, overclocked it to near GTX speeds and got 5400....woooooo!!!!

I think it's time to push the Allendale now....
I could be wrong, but to me those 3dmarks actually sound a little low. What is your allendale clocked at? For a comparison, my opteron 2.8 with my 7900 gt at 650/850 scores 6124...
post #6 of 11
Quote:
Originally Posted by tubnotub1 View Post
I could be wrong, but to me those 3dmarks actually sound a little low. What is your allendale clocked at? For a comparison, my opteron 2.8 with my 7900 gt at 650/850 scores 6124...
yes I agree, that does seem to be on the low side, With my single voltmodded 7900GT I scored 6662 on 3dmark06.
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post #7 of 11
Quote:
Originally Posted by Malaziel View Post
The card has the same core as the 7900GTX so no surprise there and the card has the same memory as 7900GTXs just with less voltage so the card has tons of overclocking potential. With a voltmod you can get that memory up far beyond a stock 7900GTX.
Could I have a link to the voltmod? If I try to overclock my core pass 674/800 I run into problems.

Also my memory speed doesn't go any faster than 800..
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post #8 of 11
heres the best one I know of, I used it, Gator also made one for OC.net, but I thought it wasnt as good as the guide I will provide.
http://endeavorquest.net:8880/7900GT_VM/index.htm
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post #9 of 11
Thank you. Seems a little harder than just downloading a program. But it's something I'm going to look into doing.
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post #10 of 11
yes it can be very intimidating at 1st, but the process is really simple
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