How Much Power Does The Average Desktop Computer Use. On-board sound on-board Wi-Fi add-on USB. Your university may have very fancy modern power-efficient desktops that can use less than 20W idling or it may have six year old power-hungry behemoths that use well over 100W idling.
When it comes to your desktop computer the average number of watts used range from 60-300. For a standard desktop youll probably reach about 300-400 watts max when you have the CPU fully utilized. If you use a typical 21.
It is very difficult to know exactly how much computers use on average because there are so many different hardware configurations.
Typically the average PC consumes about the same amount of electricity that an average light. Answered 1 year ago Author has 183 answers and 32K answer views. Desktop computer can be around 60 to 200 watts as per configuration. Most computers are built to use up to 400 kilowatts of electricity per hour but they usually use less than that.
