• Display Type: 4K OLED
• Wide Color Gamut: OLED Color
• Refresh Rate: 120Hz Native
• Picture Processor: α9 AI Processor 4K Gen7
• G-Sync Compatible (Nvidia): Yes
• HDR (High Dynamic Range): Dolby Vision / HDR10 / HLG
• FreeSync Compatible (AMD): Yes
• Audio Output: 40W
• Speaker System: 2.2 channel
• Dolby Atmos: Yes

Full specification here:
83inch OLED83C4PSA
77inch OLED77C4PSA
65inch OLED65C4PSA
55inch OLED55C4PSA
42inch OLED42C4PSA