Ember is so good, it does not need comparisons any more :)
https://medium.com/@alvincrespo/ember-your-best-bet-b5cd7275...
https://medium.com/@alvincrespo/ember-your-best-bet-b5cd7275...
Interactive histogram of daily downloads:
https://npmcharts.com/compare/react,angular,@angular/core,em...
Ember has been an "island of stability" in the front end craziness of the last 5 years. They've navigated the trends pretty well and have a complete and competitive offering.
More than happy to hear more about it and get your general thoughts on the subject. Feel free to reach out.