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+ - Power Saving Web Pages; Real or Myth?-> 1

Submitted by Anonymous Coward
An anonymous reader writes "Are dark webdesigns an energy saving alternative to a snow white Google? The theory is websites with black backgrounds save energy, based on the assumption that a monitor requires more power to display a white screen than black. Is this a blatant green washing ploy by Blackle.com, or an earnest energy saving tweak for a search tool we use every day? To find out, PCSTATS hooked up an Extech Power Analyzer to a 19" CRT and a 19" LCD and measured power draw — turns out there is a not insignificant difference..."
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Power Saving Web Pages; Real or Myth? More

Power Saving Web Pages; Real or Myth?

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  • If it weren't for the CRT stats, the results would have been completely irrelevant. CRTs light up phosphors by the strength of an electron beam, so they would use more electricity for a brighter screen. But LCDs keep a backlight on all the time and merely block it.

    But since we've been switching over to LCDs for the past decade or so, this is kind of pointless. There was a much, much, much more significant power savings by simply switching to LCD.

What's the difference between a computer salesman and a used car salesman? A used car salesman knows when he's lying.

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