The i5 processors come with two (Dual Core), as well as four cores (Quad Core).The i3 processors allow Hyper-Threading for efficient processing. Thus, it entails having two processors on one chip. The i3 processors are the entry-level processors featuring dual cores.These are the processors you usually deal with today. Let us now understand the primary differences between the i3, i5, and i7 processors. Related Posts The Basics of i3, i5, and i7 processors