The computer’s electricity consumption depends on its components and the number of times it is used. For example, a computer that is always running will consume much more energy than a device that is turned on once a day, and is only used for a few hours to check e-mail or surf the Internet, you must know The power consumption of the computer will not be different if it is turned on in the morning or evening.
The amount of electricity a computer consumes
A study by the Energy Saving Trust found that computers and private peripherals consume about 8 percent of the total electricity consumption in a home in the United Kingdom, which increases the cost of electricity by about the equivalent of 50 US dollars annually.
The report also shows that a desktop computer consumes much more electricity than a laptop computer, up to nearly six times, because laptops are designed to run on battery power, so they do not consume electricity like desktop computers do.
One of the common uses for computers is games, as computers used to play use energy between 5 kilowatt hours up to 1200 kilowatt hours per year, according to a report prepared by Berkeley Lab in 2019.
What are the different computer power modes?
Computers come with functions that help reduce energy consumption. You may not want to turn off the computer when you are finished because you want to return to it to complete work, or continue a game, in this case you can use the sleep or hibernate functions.
Sleep
Also known as suspend, puts the computer in a state of low power use, the computer will use RAM to save documents and data of current open applications, thus you will not lose anything when entering sleep mode again, as the computer can also wake up again quickly, but Unused components such as display, storage, and peripherals will be cut off from power.
Hibernate mode
Hibernate differs from Hibernate sleep, as the hibernate mode cuts off power to the RAM, as well as other components, and instead of saving current data on the RAM, it is saved in the main memory, this means that the computer does not use power mainly, and it becomes as If it's off, but it can still remember what you were doing last when you turned it on again.
Sleep is useful when taking a short break from using the computer, and hibernation is best if you plan to be off the computer for long periods.
Do you have to shut down the computer at night?
If you use your computer more than once a day, leave it on at least all day, if you use it in the morning and at night, you can leave it on overnight as well, and if you only use it for a few hours once a day, or less than that, turn it off. When you finish.
Which parts of a computer use the most energy?
The amount of a computer’s electricity consumption varies depending on the parts inside it. Some devices, such as high-end gaming desktops with multiple graphics cards, will use much more energy than low-power devices that contain fewer components.
However, the newer and better devices don't necessarily consume more power than the old, lower quality devices.
In fact, one of the major problems with computer manufacturers is to maintain energy efficiency, as manufacturers work to make the components of their computers more efficient, so if you have an old processor it may consume more energy than a modern processor.
In general, the processors and graphic cards are the ones that use the most energy, and the motherboard and power source also consume energy, but they transfer that energy to other components.
Other components like RAM, hard drives, fans, case lighting, and optical drives also consume some energy, but not much.
The power consumption of peripherals like keyboard and mouse is generally less than 0.5W so you don't have to worry about it.
As a rough guide, here are approximate ranges for the amount of energy each component uses in a computer:
CPU: 55 to 150 watts.
Graphics processor: from 25 to 350 watts.
Optical drive: 15 to 27 watts.
RAM: 2 to 5.5 watts.
Hard Disk: 0.7 to 9 Watt.
SSD: 0.6 to 3W.
Fans: 0.6 to 6 watts.
How can you reduce the computer consumption of electricity?
If you are concerned about the power your computer is using, there are several things you can do to reduce the amount of power the computer is using:
Choose energy-efficient appliances that have advanced cooling systems.
Upgrading old mechanical hard drives to hard drives, they are faster, more efficient and with less power consumption.
Unless you are using your computer for a second purpose such as games or video editing, you can use computers with integrated graphics adapters.
If you want to install a video card, look for one that uses less power.
Remember, the more cooling components need, the more electricity they need.
Upgrade components to newer versions to enhance performance and efficiency.
If you don't need a powerful PC, try replacing it with a low-powered version.
Shut down the computer when you are not using it (such as in the evening or at the weekend) and if you prefer to run it faster, you can use sleep or hibernate mode instead of completely shutting it off.
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