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HD4870 Overclocking over ccc limits help

Bmwww

Bmwww

Bmwww

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Joined
10 Oct 2008
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75
I have 3 old HD4870 cards i am messing around with. I have noticed one runs the GPU at 800mhz and the other two run theres at 750mhz. So i thought i would give a go at over clocking the two slower ones. I used CCC and tuned it up as far as it would let me 780mhz and they tun fine in every test i have tried. However 780mhz is the max CCC lets me set them. Is there any way to take them up even further? Thanks
 
Thanks Cammy5477. I was thinking as the cards are worth next to nothing these days I may as well have a play. If i mess it all up its a great excuse to upgrade ;)
 
Worth having a play if your not worried about damaging them , i used to have 2 x 4870 crossfire and they started to get artifacts while benching anything after 800 on the core , temps were never that bad from what i remember but they just was'nt great overclocking cards .

Good luck
 
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