Linq to Entities x Lambda Expression

You can not compare the two things since they do completely different things.

The only relationship between them is that Linq in general, including Entities, uses lambda as a mechanism.

This has already been answered in several questions:

• What's the difference between "lambda" and LINQ? How to differentiate them in a sentence?
• Differences between declarative and imperative form of LINQ
• What's the difference between a lambda expression, a closure and a delegate?
• What are the differences between local functions, delegates, and lambda expressions?
• Naming or Language in Lambda

Every time you are using LINQ with EF entities, you are using LINQ to Entities . Probably always will be like this. Just stop using it if you do not use LINQ in EF, which is practically impossible, or stop using entities, which in practice stops using EF. What is almost no longer used is LINQ to SQL.

There is nothing new. What's new is EF, the EF Core .