What is the main difference between CMMS and EAM?

The Difference between EAM and CMMS. Enterprise Asset Management (EAM) and Computerized Maintenance Management Systems (CMMS) are alike in many ways but they also have slightly different sets of functionalities, according to their most common uses. ... On the other hand, EAM includes the term ‘asset management’. Its focus is generally on preserving an asset for its full life cycle and maximizing its potential for enterprise use.