Quick/Comparisons
| 43 in 4K, 3840 x 2160 pixels | Display | 55 in 4K, 3840 x 2160 pixels |
| Yes | Wi-Fi | Yes |
| Yes | Internet Access In Remote | Yes |
Compare with something else?
Compare LG UT73 43 with another →| 43 in | Size (Diagonal) | 55 in |
| 4K, 3840 x 2160 pixels | Screen Resolution | 4K, 3840 x 2160 pixels |
| 60 Hz | Refresh Rate | 60 Hz |
| 16:9 | Aspect Ratio | 16;9 |
| — | Viewing Angle | — |
| Yes | HDR | Yes |
| HDR10, HLG | HDR Format Types | HDR10, HDR10+, HLG, Dolby Vision |
| — | Anti Reflection | — |
| — | Other Display Features | — |
| 2 | USB Ports | 2 |
| 3 | HDMI Ports | 3 |
| 2 | RF Input (Analog Co-axial) Ports | 1 |
| — | Headphone/Speaker Output Ports | — |
| Yes, eARC (HDMI 2) | HDMI Audio Return Channel | Yes, ARC |
| Yes | Optical Digital Audio Out | Yes |
| Yes | Screen Mirroring | Yes |
| Yes | Apple AirPlay | — |
| — | Miracast | — |
| Yes | Built-In Chromecast | Yes |
| Yes | Ethernet | Yes |
| — | Sound Technology | — |
| — | Sound Modes | — |
| AC4, AC3(Dolby Digital), EAC3, HE-AAC, AAC, MP2, MP3, PCM, WMA, apt-X | Audio Formats Supported | — |
| 2 | Number Of Speakers | 2 |
| 20 W | Total Speaker Output | 20 W |
| 10 W | Output Per Speaker | 10 W |
| 43UT73506LA | Model | TH-55PX800DX |
| LED | Type | LED |
| 1 Year | Warranty | 3 Year |
| 1 x Television, 1 x Remote, 2 x Battery, 2 x Stand, 1 x User Manual, 1 x Warranty Card | In The Box | TV, Power Cable, Remote Control, Stand, Warranty Card, Power Adapter |
| 2024 | Launch Year | 2025 |
| — | Variable Refresh Rate | — |
| Yes | HGiG | — |
| Yes | Auto Low Latency Mode (ALLM) | Yes |
| 6.7 kg | Weight (without Stand) | — |
| 957 (W) x 559 (H) x 72 (D) mm | Dimensions | 1227 (W) x 706 (H) x 75 (D) mm |
| 957 (W) x 609 (H) x 229 (D) mm | Dimensions With Stand | 1227 (W) x 777 (H) x 261 (D) mm |
| AC 110~240V 50-60Hz | Voltage Requirement | — |
| — | Power Consumption | — |
| 0.5 W | Power Consumption (Stand-by) | — |
| Yes | Universal Control Remote | — |
| Yes | Internet Access In Remote | Yes |
| Yes | Smart TV | Yes |
| webOS 24 (Re:New) | Operating System (OS) | Google TV |
| — | APP Store Type | Google Play Store |
| Yes | Wi-Fi | Yes |
| 2.4GHz, 5GHz | Band Support | 2.4GHz / 5GHz |
| — | Voice Assistant | Yes, Google Voice Assistant |
| — | Voice Search | — |
| Yes, v5.1 | Bluetooth | Yes, v5 |
| — | Processor Cores | — |
| — | Graphics Processor (GPU) | — |
| — | RAM | 2 GB |
| — | Storage | 16 GB |
| Netflix, Prime Video, Jio Hotstar, YouTube, Sony Liv, etc. | Supported Apps | Netflix, Prime Video, Jio Hotstar, YouTube, etc. |
| — | Other Smart Features | Hands-Free Voice Control |
| — | Video Formats Supported | — |
| — | Image Formats Supported | — |
| Yes | Filmmaker Mode | — |
| α5 AI Processor 4K Gen7 | Picture Processor | 4K Color Engine |
| Yes, 4K Upscaling | Upscaling | Yes, 4K Upscaling |
| — | Wide Color Gamut | Yes |