An anonymous reader writes "Now that the big Linux kernel power regression has been solved it looks like Ubuntu 11.04 can compete with Microsoft Windows 7 in terms of overall power usage. New tests revealed by Phoronix show the power consumption of Ubuntu 11.04 vs. Windows 7 operating systems. On a range of different systems, the power consumption of the Linux OS was comparable to that of Windows except for a few select workloads and systems."
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