The LG C4 OLED is a 4K Ultra HD Smart TV and the successor to the LG C3 OLED, manufactured by LG. It sits between the LG B4 and G4 OLED models in LG's 2024 TV lineup. The C4 leverages OLED evo technology with self-lit pixels for perfect blacks, vibrant colors, and a wide viewing angle. It also features the Alpha 9 Gen7 AI Processor for improved image processing and AI upscaling.
Key features include a 120Hz native refresh rate (upgradable to 144Hz for PC gaming), low input lag, and support for NVIDIA G-Sync, AMD FreeSync Premium, and VRR for smooth gaming. It also supports Dolby Vision, HDR10, and HLG formats, including a Dolby Vision Filmmaker Mode for accurate movie reproduction. The LG C4 runs on webOS 24, offering a streamlined interface, multiple user profiles, and access to streaming apps and LG Channels. Brightness Booster technology magnifies individual pixels (except on 42" and 48" models). Audio features include Dolby Atmos support and AI Sound Pro for virtual 9.1.2 channel upmixing.
The LG C4 OLED is available in a range of sizes, including 42-inch, 48-inch, 55-inch, 65-inch, 77-inch, and 83-inch models. As of February 2026, the price ranges are as follows: 42" ($1,499.99), 48" ($1,599.99), 55" ($1,999.99), 65" ($2,699.99), 77" ($3,699.99), and 83" ($5,399.99). Availability can vary by retailer, but it is generally available through major electronics retailers and online marketplaces.