See feature matrix for a detailed comparison No Enterprise level features - no remote database support, no RAD Server backend support, no Delphi Linux server support, etc.
The Community Edition has the following restrictions: To open the Feature Installer again, select Tools > Manage Platforms from the IDE or restart Community Edition. If you accidentally close the Feature Installer during the installation process, Community Edition starts with no language or platform support. See the Installation Notes for more information.
Note: If you choose to install Android support, you may need to install the required Android development tools provided in the Additional Selection Page.