Good quick summary chart from Microsoft on the Windows 10 features by version..
Windows 10 Enterprise will come with key features for enterprises, including Direct Access, AppLocker, BranchCache, and Start Screen Control with Group Policy. However, Windows 10 Pro also comes business-ready features, like Domain Join, Bitlocker, Enterprise Mode Intenret Explorer, Assigned Access 8.1, and Remote Desktop.
Original Source: https://www.microsoft.com/en-us/WindowsForBusiness/Compare
Link to PDF File