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At least in Europe the market is shifting to a more "green" shade with ever growing environmental awareness. Getting most performance at the lowest possible energy cost does matter, because energy is expensive in western Europe. Lower voltaging will give you the same performance compared to the standard setting but shave off some bucks from your energy bill. With the Core i5/i7 series, you need to disable Turbo and hyperthreading, of course both of them will increase power consumption. We did not only lower the VCore to 1.075V and disabled Load Line Calibration. We also reduced the VTT to 0.965V. It worked quite well.