This feature was recently added to Windows 10 v1803. It lets you control what GPU is used by an application. Using this feature, we will set high-performance GPU for Microsoft Edge.
Step 1: Open Settings. Navigate to System, then Display.
Step 2: Scroll down and click on Graphics Settings.
Step 3: Now you need to choose an application to set preference. From the drop-down menu select Universal App as Microsoft Edge is a Windows Universal App.