What's New Features in SQL Server 2016

1. Columnstore Indexes
2. Database Scoped Configurations
3. In-Memory OLTP
4. Query Optimizer
5. Live Query Statistics
6. Query Store
7. Temporal Tables
8. Striped Backups to Microsoft Azure Blob Storage
9. File-Snapshot Backups to Microsoft Azure Blob Storage
10. Managed Backup
11. TempDB Database
12. Built-in JSON Support
13. PolyBase
14. Stretch Database
15. Support for UTF-8
16. New Default Database Size and Autogrow Values

For more info refer https://msdn.microsoft.com/en-us/library/bb510411.aspx