does putting computer to sleep save energy

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  • How much energy does a computer use in sleep mode?

  • Given the energy efficiency of computers today, sleep mode is able to save a significant amount of energy. The typical laptop uses 15-60 watts of energy when in use 鈥?and just 2 in sleep mode. The typical desktop and monitor uses 80-320 watts when in use, but just 5-10 watts in sleep mode.

  • Does sleep mode really save energy?

  • When sleep mode was first introduced more than a decade ago, energy savings were minimal at best, but still occurred. Given the energy efficiency of computers today, sleep mode is able to save a significant amount of energy. The typical laptop uses 15-60 watts of energy when in use 鈥?and just 2 in sleep mode.

  • What happens when your computer goes to sleep?

  • In sleep mode, the power of the computer is suspended to all devices, except for the RAM memory. When you press the power button on your PC, it triggers the software to resume with all the process which had previously been initiated and to 鈥渁wake鈥? If you are one of those who are looking for a new computer, here is our Recommendation.

  • Does turning off your computer really save energy?

  • Reality: You only save a watt or two by turning off a computer vs. placing it in sleep mode. Forgetting to shut down your computer just a handful of times will negate an entire year’s worth of incremental energy savings.

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