Photo illustration showing the Samsung Group company logo displayed on a smartphone screen.Sopa Images | Lightrocket | Getty ImagesSamsung Electronics on Friday reported better-than-expected fourth-quarter revenue, though its operating profit dropped sharply from the previous three months due to higher R&D expenses in its chips segment.Here are Samsung's fourth-quarter results compared with LSEG SmartEstimate, which is weighted toward forecasts from analysts who are more consistently accurate:Re...