What difference between Google Chrome and Chromium ?

The results of Wipedia says:

    * Chromium is the open source project behind Google Chrome ...
    * Google Chrome is a web browser developed by Google and compiled components based on open source ...

But we do most noticeable physical differences:

Google Chrome

Google Chrome is Chromium open source project built, packaged and distributed by Google. It has the following differences from Chromium:

    * Colored Logo
    * Error Reporting Option
    * Option metry users
    * Support for H.264, AAC, MP3, Vorbis and Theora with audio and video labels.
    * Sandbox
    * A single package deb / rpm
    * The files of the profiles are stored in ~ / .config / google-chrome

The compilation of development channel is updated about once a week, after passing the test a few test machines and quality assurance manuals.

Chromium

    * Blue Logo
    * Support to Vorbis and Theora video and audio tags
    * The process isolation is optional, depending on the package maintainer
    * Packages depend on the distribution, sometimes split into multiple parts.
    * The profile files are stored in ~ / .config / chromium

What do you prefer?