Windows 7 is only 2 seconds from sleep to wake-up

With the progress of Windows system, Microsoft also increasingly emphasizes the importance of sleep function. After sleep, the user can wake up the system in a few seconds, and the shutdown and then boot, I am afraid that time will be much longer, especially for Vista, such as the start time of the critically criticized system. As a result, Microsoft intends to significantly shorten the system startup time in Windows 7, which has been tested to say that this time is only 15 seconds.

However, on the Shutdown button option, Microsoft still put the sleep on the top of the shutdown, the hibernation function was reduced. "In sleep mode, all documents, open programs, and files will be saved in memory," said Dean Dewhitt, director of the Microsoft Windows kernel team. Because at this time only the memory is needed to power, at this time the power consumption is quite small, for a notebook, about 1 W, for desktops, also only about 3 W. The biggest benefit is that in Windows 7, it takes only 2 seconds from sleep to wake-up. ”

As you can see from the chart below, the amount of power spent on sleep and shutdown is not much. But restarting the machine takes more than 15 seconds, much more than waking up.

In addition, in the notebook, Windows 7 still provides hibernate mode, in which power consumption is almost 0.