<Tr> <Th> Related articles </Th> <Td> MacBook, MacBook Air </Td> </Tr> <Tr> <Th> Website </Th> <Td> www.apple.com/macbook-pro </Td> </Tr> <P> The MacBook Pro (sometimes abbreviated MBP) is a line of Macintosh portable computers introduced in January 2006 by Apple Inc . Replacing the PowerBook G4, the MacBook Pro was the second model to be announced during the Apple--Intel transition, after the iMac . It is the high - end model of the MacBook family and is currently available in 13 - and 15 - inch screen sizes . A 17 - inch version was available between April 2006 and June 2012 . </P> <P> The first generation MacBook Pro appeared externally similar to the PowerBook G4, but used Intel Core processors instead of PowerPC G4 chips . The 15 - inch model was introduced first, in January 2006; the 17 - inch model followed in April . Both received several updates and Core 2 Duo processors later that year . </P>

When did the mac book pro come out