• Display Type: 4K UHD
• Refresh Rate: 60Hz Native
• Picture Processor: α5 AI Processor 4K Gen7
• HDR (High Dynamic Range): HDR10 / HLG
• Audio Output: 20W
• Speaker System: 2.0 channel

full specification here:
55inch 55UT8050PSB
55inch 50UT8050PSB
43inch 43UT8050PSB