I couldn't place it on a scale or give you figures, but it seems good to me in use. I certainly never feel its stopping me from doing anything. As well as brow

I couldn't place it on a scale or give you figures, but it seems good to me in use. I certainly never feel its stopping me from doing anything. As well as browsing, maps etc., I also use it to listen to (low bandwidth, admittedly) radio streams while jogging and iTunes Match occasionally with no problems.