Differences Between Early 2013/Late 2013 Retina MacBook Pro @ EveryMac.com
Compares and contrasts all differences between the Early 2013 and Late 2013 Retina Display MacBook Pro. Processors, specs, battery life, upgrades and more. ... 15" Early 2013 15" Late 2013 Processor Speeds: 2.4 GHz, 2.7 GHz, 2.8 GHz 2.0 GHz, 2.3 GHz ......