Difference between Power BI and SSRS?

SQL Server Reporting Services (SSRS) is a server-based reporting platform that comes free with SQL Server 2012.It is one of the most powerful tool of microsoft.SSRS provides services into microsoft visual studio so that it can be connected in SQL Databases.We can not do data modeling in SSRS.

Power BI is a visualization tool that can connect to many Data sources.We can do data modeling In Power BI.

Below Picture can easily describe Power Vs SSRS