I posted one basic introduction in CMS and introduced 3 most famous open source CMS names Drupal, WordPress and Joomla.
This infographics will show you visually the basic comparison between WordPress (Best for Blogging) vs Joomla (Best for Enterprise Website). It may help you to chose which CMS you need to use for your purpose.
We will post comparison between Drupal vs Joomla, Drupal vs WordPress and Drupal vs WordPress vs Joomla in future.
Infographics Source: www.perceptionsystem.com