Difference between Asp.net and Asp.net Core

 Let’s understand the .NET Core before exploring the differences between ASP.NET and ASP.NET Core.


  • Open source framework maintained by Microsoft.
  •  It implements .NET standard specifications.
  • .Net Framework only runs on windows. .NET Core applications can run on windows, macOS and Linux, Whereas .NET Framework is older runtime which existed in windows for many years. 

Let’s understand the  ASP.NET Core features

  • Can build and run ASP.NET applications on operations system like windows,mac,linux..etc.
  • ASP.NET core unifies MVC and Web API.
  • Can host on IIS or self host on own process.
  • Built in dependency injection support.
  • Easy integration with client side frameworks like angular or react or knockout.
  • Provides environment based configuration system.
  • Light weight and moduler HTTP request pipe line.
  • Supports side by side app versioning.
  • Can be downloaded as nuget package.

Difference between ASP.NET and ASP.NET Core

ASP.NET 4.x

ASP.NET Core

Build for Windows

Build for Windows, macOS, or Linux

Use Web Forms, SignalR, MVC, Web API, WebHooks, or Web Pages

Razor Pages is the recommended approach to create a Web UI as of ASP.NET Core 2.x. See also MVC, Web API, and SignalR.

One version per machine

Multiple versions per machine

Develop with Visual Studio using C#, VB, or F#

Develop with Visual Studio, Visual Studio for Mac, or Visual Studio Code using C# or F#

Good performance

Higher performance than ASP.NET 4.x

Use .NET Framework runtime

Use .NET Core runtime

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