![]() ![]() Using hibernation will consume less power than sleep mode because you are not keeping everything in memory which requires more power. So, after a while, you will return to the same state as you had before hibernation. Starting your laptop again from a hibernation state means that your operating system will locate the hibernation file and then use this to load all of your previous applications and files into memory. ![]() Instead of keeping these in memory, hibernate writes them to a file. For example, all of the applications you have open on your laptop and the files you are using are stored in memory. This is basically a “ memory dump” to a file. When you choose the hibernate option, your operating system will save its current state to a file on your hard drive. It will usually take at least a couple of minutes to go through the restart process. When you restart, your laptop will go through a complete power down and then boot-up sequence. Quite often, you will need to restart your laptop for the latest updates to take effect. There is no real power saving with this power option, but sometimes it is necessary to restart to update your operating system or one of your applications.Ī good example of this is the updating of your antivirus application. You likely know what a restart does as well. ![]() Some laptops will take a few seconds to boot up again from a shutdown, and others will take a few minutes. For example, if you use Microsoft Outlook for your emails, you may have this in your start-up sequence. Many laptop users will want specific applications to start automatically when they boot up their laptop from a shutdown. This will take a little while, depending on the hardware in your laptop and the startup configuration you have for specific applications. When you want to use your laptop again, you will need to use the power button to initiate the “boot-up” process for your laptop. Thus, shutting down your laptop will mean that it will consume virtually no power at all. When you shut down your laptop, you will close any running applications and completely close your operating system (e.g., Windows 10). And once the computer power off accidentally, the files temporarily stored in memory will be lost.You are probably already familiar with shut down. When computers go into Sleep Mode, temporary files are stored in RAM for quick reawakening. At this moment, the computer only needs a weak electric current to stay hibernation. With Hibernate Mode, computers save files to their hard drive and minimize their power usage. Here are the results:Īccording to the data, computers on Sleep Mode and Hibernate Mode consume very little power and see no difference between them.īut actually, Hibernate Mode uses less power draw than Sleep Mode. We calculate the power consumption of the above computers in sleep, hibernation, and running state (CPU is idle) respectively with an electric energy meter. Monitor: Samsung SyncMaster E1920ENW/1920NW/E1920NWX.Hard disk: Samsung SSD 860 EVO 250GB ATA Device, ST500DM -1BD142 ATA Device.CPU: Intel(R) Pentium(R) CPU G640 Memory: Kingston HyperX KHX1866C10D3/8G.Hard disk: SanDisk SSD PLUS 240GB, TOSHIBA HDWD110.CPU: AMD Ryzen 3 2200G with Radeon Vega Graphics.The following is the basic hardware of three computers: We randomly selected three computers for the test. So how much power draw does a computer consume in these two modes? Read on to find more. The computers use much less power when they go into sleep mode or hibernate mode. When computers go into Hibernate Mode, all the files and programs running on the computer would be saved to the hard drive. Besides, all the work before entering the Sleep Mode can be running normally. Because when the computer is asleep, just a click of the mouse or a press of the keyboard can quickly wake up the computer. When we're away from our computers for a while, it's more convenient to set them on Sleep Mode. Sleep VS Hibernate: How much Power Consumption does a Computer Use? ![]()
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