| Revew | LG OLED77C66LA OLED evo AI 4K Smart TVThe LG OLED77C66LA is a 77-inch (about 195 cm) smart TV from the OLED evo AI C6 series (2026), with a 4K Ultra HD OLED evo display and a native 120Hz refresh rate with VRR up to 165Hz. The α11 AI Processor 4K Gen3 enhances picture and sound with artificial intelligence. It supports Dolby Vision, HDR10, HLG, offers 4 HDMI inputs (4K 120Hz, eARC, VRR, ALLM, QMS, QFT) and runs webOS 26 with streaming apps and a web browser. 
Key features- OLED evo display with 4K resolution - A 77-inch screen with 3840 x 2160 resolution and a native 120Hz refresh rate with VRR up to 165Hz.
- α11 AI Processor 4K Gen3 - The processor enhances picture and sound with artificial intelligence, upscales content to 4K and adapts the picture to the type of content.
- HDR support - Supports Dolby Vision, HDR10, HLG, plus FILMMAKER MODE, which shows films as close as possible to the creators' intent.
- Gaming - Supports NVIDIA G-SYNC, AMD FreeSync, VRR 165Hz, HGiG, ALLM, QMS, QFT, Dolby Vision Gaming 4K 120Hz for smooth gaming with consoles and PCs.
- Sound and connectivity - A 2.2-channel, 40W speaker system with Dolby Atmos, 4 HDMI inputs (4K 120Hz, eARC, VRR, ALLM, QMS, QFT), 2 USB ports and Wi-Fi 6, Bluetooth 5.3.
- Brightness Booster Pro and Pixel Dimming - Every pixel lights and switches off individually, and Brightness Booster Pro with Dynamic Tone Mapping Ultra raises brightness and detail even in a lit room.
Specifications| Manufacturer | LG | | Model | OLED77C66LA (OLED evo AI C6, 2026) | | Screen size | 77 inches (about 195 cm) | | Display technology | OLED evo | | Resolution | 4K Ultra HD, 3840 x 2160 | | Refresh rate | 120Hz native, VRR up to 165Hz | | Processor | α11 AI Processor 4K Gen3 | | HDR | Dolby Vision, HDR10, HLG, FILMMAKER MODE | | Gaming | NVIDIA G-SYNC, AMD FreeSync, VRR 165Hz, HGiG, ALLM, QMS, QFT, Dolby Vision Gaming 4K 120Hz | | Audio | 40W, 2.2 channels, Dolby Atmos | | Operating system | webOS 26 | | HDMI ports | 4 x HDMI (4K 120Hz, eARC, VRR, ALLM, QMS, QFT) | | USB ports | 2 x USB 2.0 | | Network | Wi-Fi 6, Bluetooth 5.3, Ethernet | | Other ports | 2 x RF input, optical audio output | | Wall mount | VESA 300 x 200 | | Dimensions without stand | 171.1 x 98.2 x 4.71 cm | | Dimensions with stand | 171.1 x 103.5 x 26.7 cm | | Weight | 23.5 kg without stand, 27 kg with stand | | Remote control | AI Magic Remote MR26 |
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