Pentium Centrino What Is The Difference Between “Pentium 4” And “CENTRINO” Processors? And Which One Suits AutoCAD Better?

What is the difference between "Pentium 4" and "CENTRINO" processors? And which one suits AutoCAD better? - pentium centrino

I am an architect and my work focuses on the design and drawing programs like AutoCAD, ArchCAD, 3dmax and similar programs, and a 1.8 MHz Pentium 4 laptop and I think the transition to a higher grade. I found that most of the available processors on the market Centrino processor, and nobody could give a satisfactory answer, I'm looking at the difference between the two processors?