Linked by Thom Holwerda on Thu 29th Dec 2005 23:07 UTC, submitted by Valour
Hardware, Embedded Systems "Over the past several years of computer hardware engineering, raw speed has been the primary goal of hardware manufacturers. This has traditionally come at the expense of power consumption, which has skyrocketed since the first days of the x86-compatible home PC. Just how much electricity does a computer and its related devices use? Are there disadvantages to turning everything off when you're done? This article will give you an insight into computer power usage."
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This was a very interesting article, that raises almost as many questions as it answers.

A couple of things I would like to see someone try to address in a fashion similar to this article:

1. What real longevity impact does power and sleep cycling really have on modern hardware?

2. How much impact to overall power consumption do the power states of the individual system components have? For example, does having the OS power-down the hard drives during periods of inactivity make a significant difference?

3. I assume that the CPU isn't the only potential differentiator that one could make in a system for power consumption tuning. How large a difference in power consumption would different video and disk subsystem have (e.g. Nvidia vs. ATI)?

Great article though. Makes one think.

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