Macbook pro evolution between 2011 and 2013 models Is there an easy way to understand how Macbook pros evolved from 2011 to 2013?

It seems (to me at least) that until the retina display was introduced there were no revolutionary changes in the macbook pro line between 2011 and 2013 (just incremental processor upgrades).

Another way to ask the question would be: would an i7 macbook pro from 2011 be able to hold her own against an i7 2013 model? (By hold her own I mean would say: a java developer notice any real difference).

Thanks.
I would download the Mactracker app (runs on Mac and/or iOS) to compare the specs.  I've compared them briefly and those two models seem pretty similar to me, retina graphics aside.  I'm happily using a mid 2009 MacBook Pro for iOS development, although I've upgraded it with 8GB of RAM and an SSD.