What is the difference between a "Celeron" and "Pentium 4" Processor?

What is the difference between a "Celeron" and "Pentium 4" Processor?

Ali Nasri (Computer Specialist, Mac 911 Inc.) gives expert video advice on: How important is the type of processor in my machine?; What is the difference between an "Intel" and "AMD" processor? and more...

A "Celeron" is a lower end Intel chip. A Celeron is generally in the cheaper, less expensive computers. The "Pentium" chip is the higher end chip, and is made by Intel.