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my 2 cents....
Hmm.. my 7950 tops out at around 602 mh/s. How can I get YOUR extra 18 mh/s? What flags are you using in GUIminer?
I'm using AMD's Overdrive...GPU max, voltage max.
Samps
You can go higher then max in AMD Overdrive with Afterburner but you need to edit ini file. I can't remember exactly but it is something like unofficial EULA that you need to change from 1 to 0 or other way around...
So my guess is higher core speed. You might get 5-10% extra just running cgminer also...
My flags are your typical -w 128 -v -f 30
EDIT: I also noticed that I can get ~620 Mhash/s only with 13.1 catalyst. Anything else and it is only ~560
Any higher core speed and card becomes unstable, however I suppose if I Overvolted it would be fine... Don't want to do that after reading horror stories on this forum thou
