Watch this 15-minute intro video in which Dmitri Nesteruk highlights different feature groups of ReSharper C++ including navigation and search, code analysis, refactorings, and code generation.
Since ReSharper C++ originates from ReSharper for .NET developers, you might want to explore ReSharper Online Help that the two products share. It offers a thorough description of functionality available in the ReSharper family.
To focus on functionality that is specific to ReSharper C++, see ReSharper C++ Features on this web site or ReSharper by Language: C++ that is part of the Online Help. There's also ReSharper C++ Data Sheet (.pdf) that fits the most relevant information on ReSharper C++ into a single page.
ReSharper C++ is way more powerful than even the latest releases of Visual Studio in terms of code analysis, set of refactorings and code transformations, depth of navigation support and in many more respects. For a brief overview of ReSharper value over recent versions of Visual Studio, see the following docs:
One of the frequently asked questions about ReSharper C++ is how it compares to Visual Assist, the other well-known Visual Studio extension for C++ developers.
To meet the demand, we made an extensive research of both tools and came up with a comparison table. We tried to make it comprehensive and as neutral as we possibly can. Please see ReSharper C++ vs. Visual Assist, and submit your comments if you know how we can further improve the comparison.
If you prefer to use as many keyboard commands as possible in Visual Studio, use the following cheat sheets to master a ReSharper C++ keyboard scheme of your choice: