Quick/Comparisons
| 77 in 4K, 3840 x 2160 pixels | Display | 65 in 4K, 3840 x 2160 pixels |
| Yes | Wi-Fi | Yes |
| Yes | Internet Access In Remote | Yes |
Compare with something else?
Compare LG Signature OLED with another →| 77 in | Size (Diagonal) | 65 in |
| 4K, 3840 x 2160 pixels | Screen Resolution | 4K, 3840 x 2160 pixels |
| 120 Hz | Refresh Rate | 60 Hz |
| 16:9 | Aspect Ratio | 16:09 |
| — | Viewing Angle | 178 ° Horizontal |
| Yes | HDR | Yes |
| HDR10, HDR10+, HLG, Dolby Vision | HDR Format Types | HDR10, HDR10+, HLG, Dolby Vision |
| Yes | Anti Reflection | — |
| — | Other Display Features | — |
| 2 | USB Ports | 2 |
| 4 | HDMI Ports | 3 |
| — | RF Input (Analog Co-axial) Ports | 1 |
| — | Headphone/Speaker Output Ports | 1 |
| Yes | HDMI Audio Return Channel | Yes |
| Yes | Optical Digital Audio Out | Yes |
| Yes | Screen Mirroring | Yes |
| Yes | Apple AirPlay | Yes |
| — | Miracast | — |
| — | Built-In Chromecast | — |
| Yes | Ethernet | — |
| — | Audio Formats Supported | — |
| — | Number Of Speakers | — |
| — | Total Speaker Output | 49 W |
| — | Output Per Speaker | — |
| Dolby Atmos, DTS:X | Sound Technology | Dolby Audio, Dolby Atmos, DTS HD |
| — | Sound Modes | — |
| Signature T | Model | 65M550NP |
| OLED | Type | QLED |
| — | Warranty | 1 Year |
| — | In The Box | — |
| — | Launch Year | 2024 |
| Yes | Variable Refresh Rate | Yes |
| Yes | HGiG | — |
| Yes | Auto Low Latency Mode (ALLM) | Yes |
| — | Weight (without Stand) | — |
| — | Dimensions | — |
| 1767.84 (W) x 1043.94 (H) x 261.62 (D) mm | Dimensions With Stand | — |
| — | Voltage Requirement | AC 100 - 240 V, 50, 60 Hz |
| — | Power Consumption | — |
| — | Power Consumption (Stand-by) | 0.5 W |
| Yes | Universal Control Remote | Yes |
| Yes | Internet Access In Remote | Yes |
| Yes | Smart TV | Yes |
| webOS | Operating System (OS) | Google TV |
| — | APP Store Type | Google Play Store |
| Yes | Wi-Fi | Yes |
| — | Band Support | — |
| Yes | Voice Assistant | Yes, Google Assistant |
| Yes | Voice Search | — |
| Yes, v5.1 | Bluetooth | Yes, v5 |
| — | Processor Cores | — |
| — | Graphics Processor (GPU) | — |
| — | RAM | — |
| — | Storage | 16 GB |
| — | Supported Apps | Netflix, Prime Video, Hotstar, YouTube, etc. |
| — | Other Smart Features | — |
| — | Video Formats Supported | — |
| — | Image Formats Supported | — |
| — | Filmmaker Mode | — |
| Alpha 11 | Picture Processor | Regza Engine ZR |
| Yes | Upscaling | Yes, AI 4K Upscaling |
| Yes | Wide Color Gamut | Yes, Quantum Dot Color |