Well, i have seen two sources meddling with undervolting the card and both reported improved performance and stability. Wccftech and Legit Reviews. It seems the stock vddc of 1.13-1.15V can be safely lowered to 1.05 which results in maintaining boost clock for longer and reduces power in the double digits range. Longer periods of maintained boost clock offers some additional 3-4% performance in some games and benchmarks, but not all.