Hi @HamidBee
Welcome to the power pages forum. It's a broad topic.
In simple terms, using power pages you can rapidly build sites that deliver information and services to the customer. In addition, the following are the high-level features
- Data-driven websites creation
- Dynamic data handling using liquid language
- Allow external users securely to your site.
- Use out-of-the-box functionality to collect data.
- Design site using design studio
- Customization and extensibility
Integration with the database is a big plus for making complex calculation
- Also, SharePoint is especially for intranet, Power pages are for Public, internal and external
Hope it helps.
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