Here are is the full exact size comparison between the new Fuji X-T2 and the “older” Fuji X-T1 (images via Camerasize). As you can see the X-T2 did grow bigger and has some minor design and button layout changes all around the camera.
Preorder the X-T2:
in USA at BHphoto, Adorama.
in EU at Calumet, Fotomundus, WexUK.