LINQ To SQL Vs. Entity Framework

Following are some comparison between LINQ to SQL and entity framework. 

Category	LINQ to SQL	Entity Framework
Model	domain model	conceptual data model
Databases Supported	as the name indicates: SQL server only	variety of databases
Data Sources	tables only	tables, replication, reporting Services, BI and etc
Complexity	simple to use	complex to use
Development Time	rapid development	slower development but more capabilities
Mapping	class to single table	class to multiple tables
Inheritance	hard to apply	simple to apply
File Types	dbml files only	edmx files after compilation generate 3 xml files to represent the schema: csdl, msl and ssdl

There are more differences between the frameworks but these are the 
most important.