Quote Originally Posted by bridgman View Post
Are you both using the ForceLowPowerMode option with the UMS drivers ? If not, sounds like you should be...
It doesn't do anything else than downclocking (last time I checked). Voltages stay at default values. Since only voltages matter with temps, downclocking doesn't do anything helpful. Temps stay the same if the voltage doesn't go down, no matter how much you downclock the card.