@brunobarao vê este artigo, particularmente nos pontos 6 e 7 ;
Node.js VS Python: Which is Better? / Habr
Performance is directly related to the speed of the application. This speed is the rate at which your code can be executed. This is the chief feature that we look for in any programming tool.
The comparison of Python and Node.js on this parameter is not tough. We all know that NodeJS is based on Google Chrome’s version 8. It is a very powerful and fast engine. This has made the speed and performance of NodeJS extremely high.
In comparison to Python, NodeJS wins in speed and performance. This is why it is preferred for chatting or messaging app development. While Python is not recommended in data-intensive run-time applications.
Therefore, if your idea revolves around chatting functionalities then NodeJS is a better choice than Python. Select according to the core purpose of your web development project.
Summary: NodeJS is significantly faster than Python.