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LG OLED42C55LA Televisions - Review and opinions

LG OLED42C55LA
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Review updated on
8.2 Overall

Score

Picture quality 9.4/10
Gaming readiness 7.6/10
Smart features and sound 7.8/10
Design and connectivity 7.6/10
Customer reviews 7.8/10

Is it worth it?

If you want a 42-inch TV that behaves like a compact cinema screen and a capable gaming display rather than a basic lounge set, the LG OLED42C55LA lands in a very attractive lane. Its OLED panel, 120Hz refresh rate, Dolby Vision and Dolby Atmos support, plus VRR, G-Sync and FreeSync make it especially relevant for dark-room film watching and console or PC gaming. The main trade-off is that this is a premium, picture-first choice, so it makes less sense if you mainly want a brighter-room all-rounder or a cheap second TV.

I would put this in front of buyers who care most about black level, motion smoothness and a smart platform that gets out of the way. It is less convincing for anyone who wants the biggest screen for the money or a set that is obviously built around loud built-in audio, because the appeal here is the panel and the gaming feature set rather than raw size or speaker muscle. If your room is small to medium and you want top-tier image quality without jumping to a much larger panel, this is a very strong route.

Screen size 42 Inches
Panel type OLED
Resolution 4K
Refresh rate 120
HDMI ports 4
Smart OS webOS

OLED contrast and black level

The OLED panel uses self-lit pixels, which is the main reason this TV can deliver the deep blacks and strong contrast that make films, streaming drama and darker game scenes look convincing. In practical terms, it gives shadow detail and night scenes more impact than a typical LED set at this size.

The caveat is that this strength matters most in controlled lighting. If your viewing space is bright for much of the day, the premium black-level advantage is still there, but it is not the same as having a screen designed first around high-room brightness.

Gaming-ready motion

The 120Hz refresh rate, VRR, G-Sync and FreeSync support put this model in the right lane for smooth motion and reduced tearing with modern consoles and gaming PCs. That is the kind of specification set that turns a TV from merely adequate into something that feels properly responsive for fast-paced play.

The practical implication is clear: this is a better buy for someone who will actually use those gaming features than for a viewer who only watches broadcast TV. The panel size also keeps it desk-friendly for a gaming setup, especially if you want a large monitor-like experience without moving to a giant screen.

Smart platform and connections

webOS, Freeview Play, AirPlay 2 and support for the major streaming apps make this an easy TV to live with every day, while four HDMI ports and Bluetooth, Wi-Fi, USB and Ethernet connections give it a flexible route for consoles, streamers and sound equipment. It is the sort of setup that reduces friction once the TV is in place.

The useful part is not just the app list but the fact that the set is built to sit at the centre of a room without demanding much effort. The trade-off is that built-in convenience does not remove the case for better external audio if sound quality matters to you.

Use evaluation

In a small living room or den, the first thing that matters is how much picture quality you get without the TV overwhelming the space, and this 42-inch OLED fits that brief neatly. The self-lit pixel design and high contrast give dark scenes the kind of depth that makes films and prestige drama feel properly cinematic, while the 4K panel keeps the image sharp at this size. The trade-off is simple enough: if your room is bright all day and you want a screen that fights glare first, this is not the most obvious route.

For gaming, the appeal is more immediate. A 120Hz panel with VRR, G-Sync and FreeSync support gives this set the right shape for smooth console play and PC use, and the four HDMI ports make it easier to keep a console, sound system and another source connected without constant swapping. That combination matters more than the AI branding on the box, because the real win is motion control and flexibility. The limitation is that this is still a 42-inch screen, so if you want a huge living-room gaming wall, the format itself sets the ceiling.

Daily use looks sensible rather than flashy. webOS, Freeview Play, AirPlay 2 and the usual streaming services mean the TV is built to be a straightforward entertainment hub, and the included remote, stand and wall-mount support keep setup practical. The sound package is respectable on paper with Dolby Atmos processing, but the safer expectation is that built-in audio will be serviceable rather than a reason to skip a soundbar. That makes the set feel well judged for buyers who want a premium picture and easy day-to-day control, not a one-box home cinema replacement.

Pros

  • Excellent OLED contrast and black levels for films and dark scenes.
  • 120Hz panel with VRR, G-Sync and FreeSync for gaming.
  • Four HDMI ports and webOS make everyday setup and source switching easy.
  • Compact 42-inch size suits smaller rooms and desk-style gaming setups.

Cons

  • Built-in sound is unlikely to replace a proper soundbar for buyers who care about audio.
  • Bright-room performance is not the main reason to buy this model.
  • The premium picture-first positioning makes it less compelling if you only want the cheapest large-screen option.

Community

User reviews

The recurring message is straightforward: picture quality is what wins people over, while setup, brightness and audio are the places where expectations need to stay realistic. That makes this a TV for buyers who want the display itself to do the heavy lifting, not a model to choose if built-in sound or a bright-room punch are the main priorities.

Roscoe

★ ★ ★ ★ ★

I have only had this a few days, however, what a TV.

Digitalspirit

★ ★ ★ ★ ★

Fantastic picture, great as a gaming monitor for me too. Colours just pop and HDR looks fantastic as this TV gets really bright.

Velocity

★ ★ ★ ★ ★

I upgraded from the C2 and expected a much bigger improvement, but the picture is only slightly better and the gaming performance is improved.

Matt

★ ★ ★ ★ ★

I have been using a Panasonic plasma for the last 12 years, and this is the kind of upgrade that makes the old set feel dated.

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Comparison

Attribute LG OLED42C55LA Current LG OLED48C45LA Samsung S84F LG C5
Price £729.00 £819.00 £683.00 Out of stock
Screen size 42 Inches 48 inches 55 Inches 65 Inches
Resolution 4K 4K 4K 4K
Panel type OLED OLED OLED OLED
Refresh rate 120 120Hz 120 120 Hz
HDMI ports 4 Bluetooth, Ethernet, HDMI, USB, Wi-Fi - -
Smart OS webOS webOS - -
Editorial score 8.2/10 8.5/10 7.6/10 8.2/10

Against the LG OLED48B56LA, this 42-inch C5 is the neater choice if you want the same OLED family strengths in a smaller footprint. The 48-inch alternative makes more sense if you want a bit more screen without moving up to a huge set, but the 42-inch model is easier to place in a tighter room or on a desk-like gaming setup.

Compared with the Samsung S84F, the LG leans more clearly into the familiar webOS route and the broader LG OLED gaming ecosystem, while both sit in the premium OLED lane with 4K and 120Hz. The Samsung route is the one to look at if brand preference or a different smart-TV feel matters more, but this LG is the cleaner fit for buyers who want a compact OLED with a strong all-round feature mix.

The TCL 65T8C-UK is the alternative if screen size and a more aggressive size-for-money approach matter more than OLED black level. Its QLED panel and 144Hz refresh rate put it in a different value and motion conversation, but the LG remains the better pick for buyers who prioritise true OLED contrast, a smaller footprint and a more cinema-like picture in a modest room.

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Is the LG OLED42C55LA TV worth it?

The LG OLED42C55LA is at its best for buyers who want a compact premium TV that can do cinema and gaming properly without taking over the room. The OLED panel, 120Hz motion, four HDMI ports and webOS platform make it a very sensible choice for a small-to-medium space, and the current offer only makes that route more attractive if you are checking value against other OLEDs. The reservation is equally clear: if your priority is bright-room punch, larger-screen scale or stronger built-in audio, this is not the most convincing lane. In that case, a bigger QLED or a more speaker-focused TV makes more sense. For everyone else, especially film and gaming buyers who want deep blacks in a manageable size, this is the better-documented buy.

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FAQ

Is this better for films or gaming?

Both, but it is especially strong for dark-room films and modern gaming because the OLED panel, 120Hz refresh rate and VRR support all work in the same direction.

Will the built-in speakers be enough on their own?

They are fine for everyday viewing, but the Dolby Atmos processing is not a substitute for a soundbar if you want fuller room-filling audio.

Editorial team

DigitalCritic editorial team

The DigitalCritic editorial team reviews product specs, prices, availability, visible customer feedback, and buying signals to keep reviews useful and up to date.