Ever since SharePoint 2013 is released, there's increased demand from partners and customers on feature comparison matrix between different versions of SharePoint: 2007, 2010 and 2013. They need it so that they can make informed decision about upgrading their existing SharePoint to the latest version.
Unfortunately, there isn't any official tabular matrix that provides this kind of comparison. However, I've compiled a list of links that provide you new and changed features. You can use this list and create your own matrix. Feel free to comment if you know additional links in this regard.
Changes from 2010 to 2013
- What’s new in Microsoft SharePoint Server 2013
- Capabilities and features in SharePoint 2013– This article has links to “What’s New” for various feature areas – that would provide you changes
- What’s new for developers in SharePoint 2013
- Changes from SharePoint 2010 to SharePoint 2013
- Matrix created by third parties (you might want to verify for comprehensiveness and correctness) - Compare SharePoint 2010 vs. SharePoint 2013
Changes from 2007 to 2010
- What's New in Microsoft SharePoint Server 2010
- What's new in SharePoint Server 2010 (IT Pro oriented)
- What's New in SharePoint Server 2010 (Dev oriented)
HTH
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