There were a number of big smartphone announcements today, but in the end, all eyes were on Samsung to see what it would do for the Galaxy S5, the latest in its incredibly popular line of phones. The device is bigger, faster, and more powerful than ever, but like usual, Samsung is hoping that some of its phones more unique features — like a heart rate monitor and fingerprint scanner — will help it to stand out. Were taking a look at the top smartphones around to see whether or not those features will be enough. First things first: the Galaxy S5 is plenty capable when it comes to speed.