LG Class ThinQ CX 55 TV OLED Smart AI
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Our take on the LG Class ThinQ CX 55 TV OLED Smart AI
The LG CX is a 55-inch 4K OLED smart TV built on LG's ThinQ AI platform, with a 120 Hz panel, HDR support and a dedicated Game Mode. OLED's self-lit pixels give it per-pixel contrast and near-instant response, which is why reviewers rate it among the best sets for dark-room movies and gaming. It suits buyers who want deep blacks and wide viewing angles over the higher peak brightness of LED rivals, and its HDMI 2.1-era feature set made it a reference gaming TV of its generation.
- Per-pixel contrast with true blacks
- 120 Hz panel with low input lag
- Wide viewing angles
- Strong HDR and Dolby Vision support
- ThinQ AI apps and voice control built in
- Lower peak brightness than good LED sets
What reviewers say
Owners and reviewers rate the CX highly for picture quality, contrast and gaming performance. Common complaints are brightness in bright rooms, the risk of burn-in with static logos and news tickers, and average built-in sound.
- Picture qualityPraisedOwners call the contrast and black levels the standout, especially in dark rooms.
- BrightnessCriticisedReviewers say it cannot match bright LED sets in a sunlit room.
- GamingPraisedLow lag and 120 Hz support make it a favorite for console players.
Questions and answers
- Is the LG CX 55 good for gaming?
- Yes. It has a 120 Hz panel, low input lag and a Game Mode, which made it a reference gaming TV of its generation.
- Does it support HDR?
- Yes. It supports HDR formats including Dolby Vision, which suits streaming movies and shows.
- Is burn-in a real risk?
- OLED pixels can retain static images over long periods. Mixed varied content and avoiding constant logos and tickers lowers the risk.
- How does it compare with LG's later OLEDs?
- Later models add more brightness and processing. The CX still delivers the core OLED contrast and gaming features at a lower tier.
- What is in the box?
- The TV and a remote control.
- Can I wall-mount it?
- Yes, it uses a standard VESA wall mount, and its slim panel suits wall mounting.
