The Dell XPS 15 OLED features a 15.6-inch 3.5K OLED touchscreen with vibrant colors, deep blacks, and excellent color accuracy. It supports multi-touch gestures, enhancing user interaction and productivity. The screen is protected by Gorilla Glass 6 and framed by ultra-thin bezels for a modern look. Despite minor drawbacks like fingerprint smudges and battery impact, the OLED touchscreen significantly improves the user experience, especially for creative professionals.