There was a link posted in the other discussion (by visionscaper) that makes the direct comparisons that you suggested. Personally, that's also what I want to see in these types of blog posts.

Cage Match – Ember.js vs. AngularJS : http://vimeo.com/68215606

I still haven't had to pick one side, but this talk will certainly make me lean towards some framework. I just wish it was a 4-sided battle with Backbone.js and Knockout.js since those are the other 2 frameworks that are on my radar.