Overclocking 4870

thingieing

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Apr 12, 2009
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Sapphire 512MB HD 4870 Toxic Edition (820MHz/1200MHz Idle @ 52C/36% Fan Speed) is this ok?

whatz the max temperature on the 4870 full load?!?
 

kanaric

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Jul 11, 2006
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i have the 1gb version of this card and at 1200 memory clock I get artifacting.

820 core sounds about right.
Anyone have any ideas for overclocking the memory this high? Even at 1050 I get artifacting.
 

thingieing

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Apr 12, 2009
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is the artifact the little yellow dots?...cuz i dl ATITools, i get those dots after awhile doing tests....