The CPU or (Central Processing Unit) is the most important part of your computer and keeping it updated is ideal for optimizing your computer. The Intel Core i3 CPU is one of intel's lower end prossesers. Although it is not the top of the line prosseser it will cover anything from streaming the web to mild gaming. Being a dual core hypertheaded proseser insures that your investment in upgrading with keep your computer running top of the line software for years to come.