Since these models are somehow similar, you should be familiar with identifiers to easily differentiate them. On the other hand, the higher-end models from the same period feature modestly faster graphics than their predecessors.

The higher capacity battery, advanced trackpad, and faster flash storage of the “Mid 2015” models make them different. As a matter of fact, they both have “Haswell” processors as well. This is evident in models like the MacBook Pro Core i7 2.5 15” IG, Core i7 2.2 15” IG, Core i7 2.5 15” DG, Core i7 2.8 15” IG, and the Core i7 2.8 15” DG. Check this comparison:Īt first glance, the differences between the Mid 2015 and Mid 2014 are barely noticeable. Apart from this, they also have their own price points and identifiers. However, they are also unique in other aspects for they may have varying standard storage and processor. We can categorize them into IG and DG models – or the Integrated Graphics or Dual Graphics versions. The graphics systems of these two standard 15-In “Mid 2015” models set them apart from one another.

2015 macbook pro 13 with external gpu