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6990 1120mv and decent 100mhz oc

Last response: in Overclocking
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December 24, 2012 3:49:05 AM

Hello,

Ive recently started overclocking my GPU which is the 6990 i think its still on factory switch of 375 watts i overclock it from 830mhz to 930mhz clock and memory 1250-1450.

yet i dont even have to change the voltage from 1120mv to 1175mv is it just a good Gpu/lucky Di.. oh and i have the settings on catalyst locked so they dont interfere with my msi AfterB and Msi is on Mv1120 setting
December 24, 2012 3:52:16 AM

but i do change the in the controls to 1250/volt but in the settings it says my max volts are on 1120 i dont get it... thanks for any replys in advance
a b U Graphics card
a b K Overclocking
December 24, 2012 3:52:23 AM

Your 6990 might have high binned chips in it. Which would explain why you can overclock that high in general
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December 24, 2012 3:53:21 AM

so basicly its just luck of the card from the factory
a b U Graphics card
a b K Overclocking
December 24, 2012 4:00:22 AM

YEP!.. Just like the 680 classified and such.. they come with a high binned GK104's. Just like the Super clocks. and the FTW's.. but the manufacture may by accident put a decent binned chip in a a lower end card and it may overclock better than a card 1 tier higher.. SO as you said. its luck of the card from the factory!.. But

Remember to keep eyes on temps. the 6990 can get warm even on stock. most dual GPU cards are
December 24, 2012 4:04:33 AM

i must be really lucky because i run crysis max settings and it never goes higher than 70 C on stock crysis 2 max everything on stock with 60% fan 85
a b U Graphics card
a b K Overclocking
December 24, 2012 3:34:18 PM

what gave you 85c? That's a bit warm but for a dual gpu its not too extreme
December 25, 2012 6:26:30 PM

i got 85 C because i had heating on in my house so its like 10-15 c higher some times but yea when i play Crysis 2 not crysis one crysis one never goes over 75 but when its on max settings everything on crysis 2 i get 85C with fan speed 60% when i had fan speed at 50% i was getting 99C so i uped it 10%
a b U Graphics card
a b K Overclocking
December 25, 2012 6:39:41 PM

Yea i thin your safe. just try to keep it below 80C and you should come out ok
!