    Sentence’ MacBook Pro’ (preduct): Whaf's better: Core  (7 2.0 GH3 or Core iS 2.6 GHz?.~-    Sentence’ 2: Are there’ Significat differerices bétween 2,0  GHz Duat Intet Core #5 anid 2,9 Dual Intét Core tS if Lneed  the laptop for prograinininig? Should T take 177.