A:Answer Our new 5-Series offers fantastic features including a 4K UHD resolution, HDR and Dolby Vision support, have a Roku operating system, wide color gamut, auto-game mode, an edge-to-edge glass display, CCZ technology and Quantum Dot Technology, and more! You can also visit www.tcl.com/us/en/products/home-theater/5-series and scroll down to "Compare All Models" to see all models compared. Hope this helps! Thank you, TCL Customer Support