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Phoronix Test Suite

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Linux vs. Windows Power Usage

Michael Larabel

Published on 16 October 2007
Written by Michael Larabel
Page 2 of 2 - 13 Comments

While idling, Ubuntu 7.10 was consuming the most power with 41 Watts while Fedora 8 Test 3 had consumed the least amount of power at 38 Watts. Both Windows XP and Vista were consuming 39 Watts while idling. As this system was using SiS Real 256 graphics, Compiz Fusion was not enabled by default for Ubuntu 7.10, yet it had consumed the most power. Going back to our previous article, Ubuntu 7.10 does have NetworkManager enabled by default, Tracker, and other background processes. Thanks in part to software optimizations for the One Laptop Per Child (OLPC) project, Fedora has been able to consume less power.

In our "desktop usage" power tests, both Fedora 8 Test 3 and Ubuntu 7.10 had consumed more power than both versions of Microsoft Windows tested. Fedora and Ubuntu were consuming 65 Watts while Windows XP had only consumed 58 Watts and Windows Vista was in the middle with 62 Watts. Granted, this test isn't very controlled and was just intended to give a rough overview.

At Phoronix we'll be publishing more power-oriented articles in the near future, but with the number of requests received for a Windows versus Linux power comparison, we wanted to get these numbers out there. If you have any additional questions, interested in other benchmarks, or would like to share your thoughts, be sure to stop by the Phoronix Forums.

About The Author
Michael Larabel is the principal author of Phoronix.com and founded the web-site in 2004 with a focus on enriching the Linux hardware experience and being the largest web-site devoted to Linux hardware reviews, particularly for products relevant to Linux gamers and enthusiasts but also commonly reviewing servers/workstations and embedded Linux devices. Michael has written more than 10,000 articles covering the state of Linux hardware support, Linux performance, graphics hardware drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated testing software. He can be followed via and or contacted via .
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