Data Feed have FTP, SFTP and S3 destinations to schedule reports on recurring basis but Data Warehouse only have FTP. It will be great if we incorporate SFTP and S3 destinations in Data Warehouse!
As of 2017-11-21, here is the state of Data Warehouse delivery options.
Delivery via FTP
Delivery via SFTP
Delivery to AWS S3
Delivery to Azure
This is a duplicate of Amazon S3 Support for Data Warehouse - please show your support for this feature there!