Does the average laptop use only half as much energy as a desktop PC?

False-the average laptop does a lot better than that - it consumes one fifth the energy of a desktop pc. so, if you&rsquot;re going to own only one computer, seriously consider a laptop instead of desktop model. if a laptop won&rsquot;t work for you, think about whether you really need the biggest desktop you can afford or whether you might be able to get by with what&rsquot;s known as a small form-factor pc. these smaller machines are designed to take up less space on your desktop, but they have the advantage of drawing less power, too.