The iPhone 5 is finally available to the public. And aside from the obvious design changes — thinner, taller, aluminum back — the biggest addition to Apple’s new device is the inclusion of LTE. Android users have been experiencing the next generation of wireless technology for some time now, so LTE is nothing new. But for iPhone owners, the step up will be hugely welcome, and put Apple’s device in the same league as some of its biggest competitors. So how does it hold up against, say, a Samsung Galaxy S III? Data speeds are hugely important when on the move, so we pitted the two head-to-head to see how their speeds compared.