Microsoft have a very comprehensive guide on all of the different Dynamics 365 licenses available and exactly what you are entitled to. It is 60 pages in total and available from here: Microsoft Dynamics 365 Licensing guide.
However if you would like a quick comparison of the key differences we have created a very easy to follow comparison below. This doesn't cover all aspects but it does give a good flavor on the most important restrictions on the Team Member License versus the Sales Enterprise.
Full Read Access of all Dynamics 365 Data
Write access to Contacts, Notes and Activities
Access by web, mobile, tablet and via Outlook
Associate a Contact or Account with a Marketing List
Create, update and delete email and Word templates