FTP vs TFTP

FTP	TFTP
Uses TCP (20 for data, 21 for control) for connection-based communication	Used UDP (69) for connectionless communication (although a basic form of 'connection' is used within the protocol itself)
Clients can use FTP commands to perform various actions, not just copy files	Clients can only copy files to or from the server.
Usernames/password authentications	No authentication
More complex	Simpler