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XFX 7900 GS Overclockability?

post #1 of 23
Thread Starter 
I dont know how to overclock and i have never done it before. Also i will be using stock cooling so now that, that is out of the way i need to know roughly how overclockable i can get this baby. I am a gamer so the higher the better.
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post #2 of 23
Not sure myself but Sora says those things can go REALLY high with a voltmod. He'll pop in here eventually since he sees 7900 GS in the thread title.
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post #3 of 23
These cards overclock very well even without a voltmod. They run cool too, so it's very likely you will be able to get a good overclock even with the stock cooler (600/800 on mine with the stock cooler). You will definitely need an aftermarket heatsink if you plan on doing a voltmod.
To overclock all you need is the latest version of ATITool (0.26) and scan for your max clocks. You can also use rivatuner or install coolbits and overclock from the nvidia driver (these two options sometimes don't let you OC as much, especially true if you performed a voltmod and want to increase your clocks).
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post #4 of 23
Thread Starter 
how would i use atitool on an nvidia card tho
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post #5 of 23
The latest version supports nvidia cards.
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post #6 of 23
Best overclockers in the high-preformance category . I personally like eVGA, as it tends to run cooler, but the XFX will run fine just the same.

Also, one thing to mention, the XFX comes pre-OC'd to 500mhz core (from 450) and some on the memory i think too, although i don't know what for the memory.
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post #7 of 23
i got mine to 624/845 with stock heatsink, usually doesnt go over 65c
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post #8 of 23
Does anyone know how temps increase (on stock coolers) with voltmods?

Lets say i go up to 1.4v how much of a temp change can i expect? 1.5v?
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post #9 of 23
im guessing no more than 10c. but i havent been able to find a decent pen or a guide explaining where to do a volt mod on a 7900gs.
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post #10 of 23
Quote:
Originally Posted by Blue_Fire View Post
im guessing no more than 10c. but i havent been able to find a decent pen or a guide explaining where to do a volt mod on a 7900gs.

http://endeavorquest.net:8880/7900GT_VM/index.htm

Got it right on the first try. All you need really is a somewhat steady hand. The pen I got at Fry's, but I have seen them in RadioShack too (any electronics store should have them).
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Kubuntu  Windows 10 Pro Dell U2515H CM Quickfire TK (Cherry Blue) 
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CPUMotherboardGraphicsRAM
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