Two different things.
A trusted device skips the second factor for a while, 30 days at most, and still asks for the password. You see those under My Profile > Security, with Revoke and Revoke all.
Remember me changes how long the session itself lives: every session has an absolute lifetime, and ticking remember me makes it longer. Ending sessions works as before, from Active Sessions on your profile, or an admin signing a member out of the organisation.