Both are based on the same 3 Series platform, have nearly identical designs, and, most obviously, have 4 doors. (cnet.com)
While the new Surface 2 is a different color than the original, it maintains an almost identical design, with one exception. (technologyguide.com)
The diagrams show the original with a nearly identical design (though some ports and the stylus had slightly different placement), but the analog stick was raised. (nintendoworldreport.com)