Comment by coffeemug

Is performance the main motivation for your team? If so, we'll be publishing some results soon. In the meantime, there are some non-performance related comparisons with Mongo that you might want to take a look at:

* Technical comparison: http://rethinkdb.com/docs/comparison-tables/

* A slightly more biased comparison: http://rethinkdb.com/docs/rethinkdb-vs-mongodb/