That's <a href="http://www.reddit.com/r/programming/comments/lrn80/be_productive_use_screen/">what the fanboys say</a> anyway.

<p><a href="http://www.techrepublic.com/blog/opensource/is-tmux-the-gnu-screen-killer/1901">great overview of the differences</a>

<!-- <p><a href="http://zwilias.github.com/blog/2011/12/03/choose-your-weapons/">tmux is much newer</a> -->

<p><a href="http://tmux.svn.sourceforge.net/viewvc/tmux/trunk/FAQ">FAQ, breaking down more of the differences</a>