Stack them if you have them. Here we have the MacBook Pro 13" layered on top of today's main attraction, the MacBook Pro 15"—and apart from the size difference, they appear near identical. We're itching to see how similar (or not) they are inside.

The MacBook Pro 15" identifies as model A1707, which fits nicely between the A1706 and A1708 from our previous two teardowns.

Just like the previous MBP line, there are long air intake vents under the left and right sides. If this computer is anything like its little brother, these vents should serve double-duty as speaker outlets.