<P> Apple released the third generation of MacBook Pro with a 15 - inch screen during WWDC 2012 and discontinued the 17 - inch variant . The previous generation 13 - and 15 - inch unibody models continued to sell with updated processors . The third generation model was a quarter thinner than its predecessor and introduced the Retina Display with a much higher screen resolution . A 13 - inch variant was released in October 2012 . </P>
<P> Apple released the third generation of MacBook Pro with a 15 - inch screen during WWDC 2012 and discontinued the 17 - inch variant . The previous generation 13 - and 15 - inch unibody models continued to sell with updated processors . The third generation model was a quarter thinner than its predecessor and introduced the Retina Display with a much higher screen resolution . A 13 - inch variant was released in October 2012 . </P>
when did retina display come out for macbook pro
when did retina display come out for macbook pro
2012
2012