Just my 2c:
Compatibility: Cake will switch to PHP5+ only in 2.0 (according to https://trac.cakephp.org/milestone/2.0.0.x)
Configuration: Cake has a default configuration in a PHP file, but there is nothing stopping you to override it and read the configuration from an XML file or database or whatever you want.
Caching: I believe Cake supports more than just "file cache": www.cakephp.org/files/OCPHP.pdf
Very nice comparison though!
Cheers!