The LG 27UD88 and 27UD68-W are two of LG's top 4K monitors, both awesome for gamers and graphic designers alike. In fact, they're nearly identical in almost every way, but there are a few differentiating factors that should help you decide which one is best for you. What isn't the same? Both monitors sport 4K resolutions, 178-degree viewing angles, 2 HDMI ports, and a DisplayPort port. The dimensions are all but the same, save for a few millimeters here and there.