Home » Product Reviews » Sound & Vision » TVs » LG C55LA 65″ 4K Ultra HD OLED Smart TV review
The LG OLED65C55LA is a 65-inch 4K OLED TV aimed squarely at those who want a cinematic picture and next‑gen gaming performance in the living room. With LG’s self-lit OLED panel, Brightness Booster and Perfect Black technology, it’s designed to deliver striking contrast and rich detail across films, sport and everyday TV.
This is very much a premium set rather than a budget option, but you are getting LG’s a9 AI Processor 4K Gen7, full-fat HDMI 2.1 support and a strong smart platform in webOS. Owners clearly rate it highly, with an average score of 4.8 out of 5 from well over 250 reviews, suggesting picture quality and day‑to‑day use live up to the spec sheet.
If you’re upgrading from an older LED or planning a living room centrepiece for movies, streaming and gaming, this model is positioned as one of LG’s key all‑rounders.
The LG OLED65C55LA is ideal for anyone building a main home cinema setup in a medium to large living room. At 65 inches, it’s big enough to make films, sport and boxsets feel immersive, especially when you sit a sensible distance away.
It suits buyers with a mid‑to‑high budget who are willing to pay more than entry‑level 4K sets to get the deeper blacks, faster response times and gaming features that OLED and HDMI 2.1 bring. If you simply want a cheap big screen for casual viewing, this may feel over‑specified.
Film and TV enthusiasts will appreciate the combination of Dolby Vision, Filmmaker Mode and Perfect Black. These features help preserve the director’s intent and bring out detail in dark scenes without the grey haze you often see on standard LED TVs.
It’s also an excellent match for console and PC gamers who want smooth 4K gameplay. With a 120 Hz panel, ultra‑fast 0.1 ms response time, VRR support via AMD FreeSync Premium and NVIDIA G‑Sync, plus Auto Low Latency Mode, it’s built to take full advantage of PS5, Xbox Series X and modern gaming PCs.
Outstanding OLED picture quality, with each pixel self‑lit for perfect blacks and impressive contrast. Dark scenes look truly inky rather than washed out, which makes films and high‑end dramas far more engaging.
Brightness Booster helps lift overall brightness versus older OLEDs, so HDR content has more punch and holds up better in brighter rooms, while Dynamic Tone Mapping Pro works to keep highlight detail looking natural.
Serious gaming credentials thanks to a 120 Hz panel, HDMI 2.1 across four ports, ultra‑low 0.1 ms response time, and support for AMD FreeSync Premium, NVIDIA G‑Sync and Auto Low Latency Mode. Fast‑paced games feel fluid and responsive.
Strong built‑in sound for a slim TV, with 40 W of power, a 2.2‑channel speaker system and support for Dolby Atmos. AI Sound Pro and AI Acoustic Tuning optimise audio to your room so dialogue stays clear without constant fiddling.
webOS is a mature, user‑friendly smart TV platform with all the big apps covered, including Netflix, Disney+, Prime Video, Apple TV, Now and a full line‑up of music services. Built‑in Wi‑Fi 6 keeps streaming stable, and the Magic Remote makes navigation quick and intuitive.
Energy efficiency is only rated F, and HDR power consumption is relatively high for long boxset sessions, so it’s not the most economical choice to run.
The manufacturer warranty is just one year, which feels a little short for a premium television at this price level. Many buyers may want to consider extended cover for peace of mind.
While the built‑in speakers are capable, a TV of this calibre really deserves a soundbar or surround system to match the picture quality, especially if you want to get the most from Dolby Atmos.
As with all OLEDs, there is a theoretical risk of image retention if you leave static elements on screen for prolonged periods. Sensible use and built‑in protection features reduce this, but it’s something cautious users should be aware of.
Day to day, the LG OLED65C55LA feels like a polished, modern TV. The ultra‑slim design and metallic finish look smart on a stand or wall, and the 300 x 200 mm VESA mounting pattern gives you flexibility with brackets. Once installed, it quickly becomes the visual focal point of the room without feeling bulky.
webOS keeps things straightforward. The home screen pulls together live TV, streaming apps and inputs in a way that’s easy to grasp, even if you’re not especially tech‑savvy. The Magic Remote, with its cursor‑style navigation and dedicated app buttons, makes jumping between services quick, and built‑in voice control via ThinQ simplifies searches and basic commands.
Sound setup is also relatively simple. AI Acoustic Tuning uses the TV’s microphone to analyse your room and tweak audio output, so you don’t need to dive into complex menus to get decent sound. For those adding a soundbar, eARC on HDMI and LG Sound Sync make it easy to integrate external audio gear.
Everyday features like Timeshift, USB recording and a full EPG make normal TV watching painless, while Wi‑Fi 6 and Bluetooth 5.3 ensure stable wireless connections for both streaming and pairing headphones or speakers. Overall, it’s a TV you can live with comfortably without constant tinkering.
Performance is the main attraction here. The 65-inch OLED panel, paired with LG’s a9 AI Processor 4K Gen7, delivers sharp 4K images with exceptional contrast and accurate colours. Perfect Black allows individual pixels to switch off entirely, giving dark scenes real depth and avoiding the light bleed you see on many LED sets.
HDR support is broad, including Dolby Vision, and Brightness Booster helps drive peak brightness higher than older OLED generations. Combined with Dynamic Tone Mapping Pro, HDR films and games gain vivid highlights and nuanced shadow detail, whether you’re watching a moody thriller or a colourful animated film.
Gamers are particularly well served. The 120 Hz refresh rate, 0.1 ms response time, variable refresh rate support via AMD FreeSync Premium and NVIDIA G‑Sync, and Auto Low Latency Mode all work together to minimise blur and tearing. The dedicated Game Optimiser menu makes it easy to tailor settings for different genres without digging through complex picture menus.
On the audio side, you get 40 W of power in a 2.2‑channel configuration, with four speakers and support for Dolby Atmos. AI Sound Pro processes incoming audio to enhance clarity and widen the soundstage, while WOW Orchestra and WOW Interface are ready to integrate neatly with compatible LG soundbars for a more cinematic setup.
Smart features are comprehensive. webOS supports a wide range of video apps including Netflix, Disney+, Prime Video, Apple TV, Now, Paramount+ and more, alongside leading music services such as Spotify, Apple Music and TIDAL. Screen Mirroring, Miracast and built‑in web browsing add flexibility, and Wi‑Fi 6 ensures smooth 4K streaming provided your broadband is up to it.
With a listed price of £1699 for the 65-inch model, the LG OLED65C55LA clearly sits in the premium bracket of 4K TVs rather than the budget end. However, the combination of OLED picture quality, HDMI 2.1 gaming features, a powerful processing engine and a polished smart platform does justify much of that asking price for the right buyer.
This is not the set to choose if you simply want the biggest screen for the lowest cost, or if you are particularly focused on keeping energy usage down. You’re paying for higher‑end picture technology and gaming performance, not bare‑bones functionality.
That said, the very strong user feedback – a 4.8 out of 5 rating from 275 reviews – suggests that most owners feel they’ve had good value once they see the picture quality and experience the day‑to‑day convenience. For film lovers and gamers who will actually use the advanced features, it represents solid value in the premium OLED space.
If your budget allows and you’re planning to keep your TV for several years, the feature set and performance level mean the cost is spread over a long period of use, making it a sensible investment rather than an indulgence.
The LG OLED65C55LA is a well‑rounded premium OLED TV that delivers on its promises. You get superb contrast, rich colours and strong HDR performance, backed up by a fast 120 Hz panel and comprehensive HDMI 2.1 support for gaming. webOS remains one of the most user‑friendly smart platforms, and AI‑driven picture and sound features help you get great results with minimal effort.
The main compromises are its F energy rating, relatively high running costs for heavy HDR use, and a basic one‑year warranty that feels short at this price point. The built‑in speakers are perfectly serviceable, but a separate sound system will be needed to genuinely match the quality of the screen.
If you’re a film fan or gamer looking for a 65-inch TV that can act as the heart of your home entertainment setup, and you have the budget for a premium model, this LG should be very high on your shortlist. Those prioritising lower upfront cost or ultra‑low energy use may be better off with a simpler LED set, but they’ll be giving up a significant step in picture and gaming performance.