Experience vibrant picture quality in incredible detail with 4K clarity.
LG UT73 features the smart ?5 AI Processor: the brain of the TV. Which intelligently optimises picture and sound.
LG UT73 features webOS, LG's smart platform which hosts a huge variety of the best streaming services – including Freeview Play, NOW, Netflix, Prime Video, Disney+ and much more - while making browsing and searching for what to watch completely hassle-free. What’s more, with LG’s webOS Re:new program, you’ll enjoy upgrades to the latest version for five years*.
*Customers will receive 4 upgrades over time, starting from the launch version.
Enjoy movies just as the director intended thanks to Filmmaker Mode and HDR.
Tweak your settings with ease to ensure the best gaming experience with the Game Optimiser, and ensure the most responsive gameplay with ALLM – putting you into the best game mode automatically when powering up your console.
| Display |
| Display diagonal | 139.7 cm (55") |
| HD type | 4K Ultra HD |
| Display resolution | 3840 x 2160 pixels |
| Display technology | LED |
| Screen shape | Flat |
| Native aspect ratio | 16:9 |
| LED backlighting type | Direct-LED |
| Native refresh rate | 60 Hz |
| Display diagonal (metric) | 139 cm |
| |
| Audio |
| Number of speakers | 2 |
| RMS rated power | 20 W |
| Audio output channels | 2.0 channels |
| Built-in subwoofer | No |
| Audio decoders | Dolby Digital |
| Sound modes | AI Acoustic Tuning, AI Sound Pro, Clear Voice Pro |
| Enhanced Audio Return Channel (eARC) | Yes |
| |
| Ports & interfaces |
| HDMI ports quantity | 3 |
| PC in (D-Sub) | No |
| USB 2.0 ports quantity | 2 |
| Common interface (CI) | Yes |
| Common interface Plus (CI+) | Yes |
| HDMI version | 2.0 |
| Audio Return Channel (ARC) | Yes |
| Ethernet LAN (RJ-45) ports | 1 |
| Digital audio optical out | 1 |
| RF ports quantity | 2 |
| Common interface Plus (CI+) version | 1.4 |
| Consumer Electronics Control (CEC) | SimpLink |
| |
| Weight & dimensions |
| Width (with stand) | 1226 mm |
| Depth (with stand) | 287 mm |
| Height (with stand) | 777 mm |
| Weight (with stand) | 11.1 kg |
| Width (without stand) | 1226 mm |
| Depth (without stand) | 80.5 mm |
| Height (without stand) | 712 mm |
| Weight (without stand) | 10.9 kg |
| Stand width | 99.9 cm |
| Stand depth | 29.6 cm |
| |
| Power |
| Power consumption (standby) | 0.5 W |
| Energy efficiency class (SDR) | G |
| Energy efficiency class (HDR) | G |
| Energy consumption (SDR) per 1000 hours | 84 kWh |
| Energy consumption (HDR) per 1000 hours | 110 kWh |
| AC input voltage | 100 - 240 V |
| AC input frequency | 50/60 Hz |
| Energy saving mode | Yes |
| Energy efficiency scale | A to G |
| |
| Network |
| Wi-Fi | Yes |
| Bluetooth | Yes |
| Ethernet LAN | Yes |
| Wi-Fi standards | Wi-Fi 5 (802.11ac) |
| Bluetooth version | 5.0 |
| Bluetooth profiles | A2DP |
| Web browser | Yes |
| |
| Packaging data |
| Package width | 1350 mm |
| Package depth | 144 mm |
| Package height | 837 mm |
| Package weight | 14.8 kg |
| Package type | Box |
| |
| TV tuner |
| Tuner type | Analog & digital |
| Digital signal format system | DVB-C, DVB-S, DVB-S2, DVB-T, DVB-T2 |
| |
| Management features |
| Voice control | Yes |
| Electronic Programme Guide (EPG) | Yes |
| Programming period | 8 day(s) |
| On Screen Display (OSD) | Yes |
| Number of OSD languages | 37 |
| Picture-in-Picture | No |
| Hotel mode | No |
| Basic hotel mode | No |
| Works with Amazon Alexa | Yes |
| Works with the Google Assistant | No |
| Works with Samsung Bixby | No |
| Works with Apple Siri | No |
| |
| Packaging content |
| Desktop stand | Yes |
| Cables included | AC |
| Remote control included | Yes |
| Soundbar included | No |
| |
| Brand-specific features |
| LG technologies (AV/TV) | AI Sound Pro, ThinQ™ |
| |
| Other features |
| Digital Living Network Alliance (DLNA) certified | No |
| Warranty period | 2 year(s) |
| |
| Design |
| Product colour | Blue |
| VESA mounting | Yes |
| Colour name | Ashed Blue |
| Panel mounting interface | 300 x 300 mm |
| Frameless design | No |
| Stand type | Legs stand |
| |
| Performance |
| High Dynamic Range (HDR) supported | Yes |
| High Dynamic Range (HDR) technology | High Dynamic Range 10 (HDR10), Hybrid Log-Gamma (HLG) |
| Teletext function | Yes |
| Subtitles function | Yes |
| Video formats supported | HEVC, VP9 |
| Processor cores | 4 |
| Game features | Auto Low Latency Mode (ALLM), Game Optimizer, HGiG |
| WiSA Ready | No |
| 4K Ultra HD upscaling | Yes |
| Multi View | No |
| USB recording | Yes |
| DVD player | No |
| |
| Smart TV |
| Smart TV | Yes |
| Internet TV | Yes |
| Operating system installed | Web OS |
| Operating system version | 24 |
| Timeshift | Yes |
| Apple AirPlay 2 support | Yes |
| Smart modes | Cinema, Energy saving, Filmmaker, Game, Sports, Vivid |
| Built-in Chromecast | Yes |
| Video apps | Amazon Prime Video, Apple TV, DAZN, Disney+, RaiPlay, Rakuten TV, YouTube |
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