It has a 5.1-inch display with glass both front and back, and with a metal edge running all the way along the outer edge of the phone. The Galaxy S6 and S6 edge both eschew the usual plastic Samsung has favored for flagships in the past for glass and metal, but the S6 has a more traditional flat front face, as well as a design that can’t help but be compared to iPhone devices, resembling something of a cross between the iPhone 5/5S and the iPhone 6 or 6 Plus.