This year's flagship smartphones from Samsung—the Galaxy S20, S20+, S20 Ultra—are packed. But can you tell them apart? WSJ’s Joanna Stern explains how they differ in size, cameras ...

Let’s take a closer look ... mode. Samsung also touts these cameras’ impressive new “Space Zoom” capabilities, up to 30X with the S20 and S20+ and up to 100X with the S20 Ultra’s cutting ...