Samsung has just outed its shiny new Galaxy S5 at Mobile World Congress, but you may be curious how it stacks up against flagships from other outfits. Well folks, we've lined it up side-by-side with the Sony Xperia Z2, LG G Pro 2 and HTC One on the other side of the break. While the GS5 and Xperia Z2 appear to be neck and neck, it may come down to those standout features to see which handset gets the edge.