USB Multi-Monitor Systems Use Less Power Than Discrete Graphics

Posted: Sep 23 2008, 2:00pm CDT | by , Updated: Aug 11 2010, 10:42am CDT, in News | Hardware & Peripherals

 
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According to a study on electrical consumption by DisplayLink, USB displays use less power than discrete systems. The study used two identical computer systems and measured the power needed to run one to four LCD monitors. One of the computers was equipped with DisplayLink USB to DVI adapters and the other with a dual-DVI discrete graphics cards.

Power consumption was measured at the entry point to the power supply to gauge system use under different loads. The study showed that the computer with the USB used an average of only 4 watts per display, or 7% increase in power use.

The computer system with the discrete graphics card on average used 34W of power for a 67% increase. When equipped with four displays the discrete system has an increase of 132%. The USB system used up to 80% less power.

Via DisplayLink

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<a href="/latest_stories/all/all/3" rel="author">Shane McGlaun</a>
Tech and Car expert Shane McGlaun (Google) reports about what's new in these two sectors. His extensive experience in testing cars, computer hardware and consumer electronics enable him to effectively qualify new products and trends. If you want us review your product, please contact Shane.
Shane can be contacted directly at shane@i4u.com.

 

 

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