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Energy efficiency differences between laptop and desktop PCs
Jan 12

Energy efficiency differences between laptop and desktop PCs

Laptops have been documented to generally use less energy than desktop computers.

This can be explained by the fact that laptops can run off battery power while desktops need to be plugged in to function. Due to the ability to run on battery power, laptops spend less time plugged and mainly need to be plugged in when they are charging. Desktop computers do not have the ability to do this and need to constantly use electricity while switched on. This lower use of energy fro laptops also transfers to the manufacturing process where it has been found that laptops need less energy to produce than desktops. Below are some relevant statistics for the above statements:

-Desktop computers use an average of 60 to 200 watts of electricity in order to run normally while laptops use an average of 20 to 50 watts. This can be further reduced by putting laptops into power save mode. More info.

-Through the manufacturing process, laptops require 52-67% less energy to make than that needed for a desktop computer. More info.

These facts were compiled for the purposes of the sustainable events toolkit created under the Sustainable Conferences and Events project implemented by Topkinisis Travel and AKTI Project and Research Centre. The Project ENTERPRISES/0618/0046 is co-funded by the European Regional Development Funding and the Republic of Cyprus through the Research and Innovation Foundation.

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