When comparing Perforce vs Bazaar, the Slant community recommends Perforce for most people. In the question“What are the best version control systems?” Perforce is ranked 6th while Bazaar is ranked 9th.
Ranked in these QuestionsQuestion Ranking
Pro Multi platform availability
Pro GUI and Visual Studio integration available
Pro Central repository/server
There's a central repository and a clear path/protocol how to reach it.
Pro Tracking empty folders
With Bazaar you can track empty folders without the need to put .keep files in them.
It is quick to learn, you don't need to memorize lot of commands to do your job.
Pro Full support for renaming
Renaming of a file is fully supported, not a hack like removing a file and adding back under another name...
Con Closed Source
Branching becomes a pain due to its non-distributed model
Con Does not work offline
You must be connected to the internet to do anything useful. Although, there is a Git <-> Perforce bridge that sorta solves the problem.
Con Slow developement
Bazaar tends to have a slow update cycle with Canonical. Version 2.6 was released in August 2013 and branch 2.7 was not finished until Feb. 2016.