TIMESTAMP vs UNIQUEIDENTIFIER

Difference between TIMESTAMP and UNIQUEIDENTIFIER in SQL Server

S.No	Timestamp	UniqueIdentifier
1	Size of TIMESTAMP value is 8 bytes.	Size of UNIQUEIDENTIFIER is 16 bytes.
2	TIMESTAMP is not based on system date or time.	UNIQUEIDENTIFIER value is based on the computer's MAC addresses and system date time.
3	The purpose to TIMESTAMP is to track the operation in tables on the database level.	The purpose of UNIQUEIDENTIFIER is to have a unique value assigned to a row (maybe as primary key). It remains unique in any system in the world.