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3870 overclock limit ?

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#1
what is the max i can get out of my 3870xt , i have it at 870/1000 (2000) . this is the card i have , it is the gddr3 overclocked version . have i hit the limit i can expect from this (max clocks in ccc = 870/1000)
 

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boogah

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#2
didn't know there's was an gddr3 version of 3870 unless it was the 1gig version..

i overclocked my gddr4 version to stable 875/1250 with core voltage of 1.350