Windows Insider Build 16226 gives users a look at GPU utilization
 

Microsoft's work on the Fall Creators Update continues apace, and new features are rolling out steadily to Windows Insiders. Most notably, Microsoft has added a tool that will likely prove useful around our offices and anywhere else users need a quick look at the usage of their graphics cards. The Windows 10 Insider Preview Build 16226 will give users detailed GPU information right in Task Manager.
http://techreport.com/news/32145/win...pu-utilization