So here's the big boy itself, the Fury X, and its smaller cousin. They both run off the new Fiji chip with onboard High Bandwidth Memory - which makes for a much smaller card.
AMD made a lot of noise about the small size of the Fury X, and it is pretty tiny - but that's not taking into account the added radiator for the cooling loop. With that added... it's actually very big. AMD insists that they can work well in CrossFire, though