Thing I have always found funny, and have noticed this with my Radeon 6870 as well, even though there is voltage control, it seems software bound soley, as in, even changing the voltage it still reports the standard voltage, which doesnt help when the card changes its clock to low 3d as it will use the lower voltage and sometimes carsh because the voltage doesn`t always change the way it should and the spikes seem to cause the driver to quite responding and reset, usually causing artifacting and requiring reset. stock voltage I can do maybe 1130 or so but can do memory at around 1400 without issue. Or have the V2 of the cards that use better caps/vreg. The reviwers for most cards must get really great cards(cherry picked) to be able to do 1150+ at stock voltage. I know for myself a MSI 7870 Twin Frozr III I need power slider 15-20% and 1.250 volt on slider to do 1146Mhz gaming stable, max I can push is 1186Mhz 1.268v for gaming, bitcoin I can do 1226 Mhz at same voltage.
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