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Sapphire HD 7970 3GB Review @ OCC
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Old 10th January 2012, 07:35   #1
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Default Sapphire HD 7970 3GB Review @ OCC

Reaching 1125Mhz on the core with just a move of a slider required no extra voltage including the power tune voltage that is available in the CCC. Maxing out the memory clocks was just as uneventful with the CCC limit of 1575Mhz in place. These clock speeds show that there is at least 200Mhz of headroom on both the GPU cores and on the GDDR5 memory. Pretty significant upswings on both counts. Without extra voltage needs the temperatures of the GPU stayed consistent. By manually adjusting the fan speed to 100% the load temperature peaked at only 57C when overclocked. I have to say I am looking forward to either BIOS or software utilities to get rid of the limits in the CCC to see where this card will go.

http://www.overclockersclub.com/revi...re_hd7970_3gb/
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