TM4C123BH6PGE: TM4C123BH6PGEI

Does [FAQ] What does the '7' or '7R' the end of TM4C123x part numbers signify? answer the question?

If your application uses the EEPROM, you may may be impacted by a functional difference as that FAQ says:

The key difference between Revision 6 and Revision 7 is with various EEPROM errata items.