The same, there's no difference besides the plug. At least for current graphics cards (there are some with lame audio support). HDMI 1.3 will allow for >32bit color, but it's unknown if anything will take advantage of that.
To the best of my knowledge there are no HDMI 1.3 devices available yet.
To the best of my knowledge there are no HDMI 1.3 devices available yet.