Thanks for checking out this article. All things around performance are very sensative to changes in versions, hardware, and much more. Since 2008, there are so many different factors and changes to all the software involved, I’ve decided to take down this article as it has become really out of date.
If you want to learn more about MongoDB or get started using it, please consider checking out one of my courses:
MongoDB Quickstart with Python [free]
MongoDB for Developers with Python
If you happen to create a modern performance comparison, feel free to add a link and comment to this article.