Power Throttling

Microsoft in introducing a new feature for its Windows 10 PC users, Power Throttling. As you might have guessed, this new feature is closely related to power, but mostly machines with a battery like a laptop or a tablet device. If you are running the latest Windows 10 Insider Build 16176, the feature is already included.

According to Microsoft, during multi-tasking on a Windows 10 PC, the background processes can drain your battery quickly even when you are not using them. Introduce the Power Throttling, when background work is running, Windows places the CPU in its most energy efficient operating modes – that way background work runs in a power-efficient manner thus enhancing the battery life.
Figure 1 - Task Manager shows which processes are Power throttled

According to Microsoft, Power Throttling showed up to 11% savings in CPU power consumption for some of the most strenuous use cases. If implemented properly, this would be the real game changer considering the fact more and more devices introduced in the market are and will be mobile in the future.

However, in order to take advantage of the feature, your PC should be running the Intel’s 6th-gen (and beyond) Core processors since they come with Intel’s Speed Shift technology. However, Microsoft is also working on expanding support to other processors as well over the next few months.

How it works

Windows 10 now has a built in sophisticated detection system that identifies automatically what work is important to you or more specifically the app running in the foreground like writing an email, working on Word, or listening to Music etc. This way, Windows is able to power throttle background work and enhance battery life.

While the feature works well for most apps, if you come across an app that is negatively impacted by Power Throttling, Microsoft wants to know and for that, send them feedback by going to Feedback Hub and log feedback under the Power and Battery > Throttled Applications category.

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