mobile angular ui vs ionic framework

[Palanivel sundara rajan]

I am planning to create an mobile app using phonegap .

I have knowledge in angularjs . 

I don't know which framework to use.

I need some comparison about the following two 

 mobile angular ui vs ionic framework

[calvin crane]

http://coenraets.org/blog/2014/02/sample-mobile-application-with-ionic-and-angularjs/

It isn't either or necessarily there might be some overlap which you might come back and tell us about.