Recently I realized the fact that not all functionality available for TFVC is supported for Git-mode projects in TFS 2013. This has been indirectly proved by the blog post o
The TFS documentation has a part about details on the differences between TFVC and Git. There is a lot of details, but gated-checkins, "My Work", code review and Source control explorer are the only major features that are not yet supported (and relevant with Git).
There are 2 others features in the file editor which were missing before Visual Studio Update 3 : CodeLens inline history and history annotation.
Code Review option seems to show up in Update 4 with pull requests feature.