LG B4 Series 55" 4K Ultra HDR Smart OLED TV
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Our take on the LG B4 Series 55" 4K Ultra HDR Smart OLED TV
The LG B4 is LG's entry-level OLED, a 55-inch 4K set with a 120Hz panel, four HDMI 2.1 ports and the webOS smart platform. It uses the same self-lit OLED panel technology as LG's pricier C-series, so it delivers the same perfect blacks and wide viewing angles, but with a dimmer picture and a less advanced processor. It suits movie watchers and console gamers who want true OLED contrast without stepping up to the C-series, and it competes closely with Samsung's S90D and Sony's A75L/Bravia 8 at this size.
- Self-lit OLED panel gives perfect blacks and near-infinite contrast
- Four HDMI 2.1 ports support 4K 120Hz, VRR and ALLM on consoles
- Wide viewing angles keep the picture consistent off-axis
- webOS is fast and carries all major streaming apps
- 120Hz panel handles motion well for sports and games
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What reviewers say
Reviewers treat the B4 as the value pick of LG's OLED lineup: same deep blacks and gaming features as the C-series, with brightness and processing as the main compromises. Owners praise the picture in dark rooms and the four HDMI 2.1 ports, while some wish it were brighter in daylight.
- BrightnessCriticisedReviewers say peak brightness is lower than the C-series, so bright rooms and HDR highlights look less punchy.
- Picture qualityPraisedOwners highlight perfect blacks and rich contrast, especially for movies watched in dim rooms.
- GamingPraisedFour HDMI 2.1 ports with 4K 120Hz and VRR are called out as a strong set for consoles.
Questions and answers
- How does the B4 compare with the LG C4?
- Both use OLED panels with the same perfect blacks and four HDMI 2.1 ports. The C4 is brighter and has the newer Alpha 9 processor, so it handles HDR highlights and upscaling better; the B4 trades that for a lower tier in LG's lineup.
- Is the B4 good for PS5 and Xbox Series X?
- Yes. It has four HDMI 2.1 ports with 4K at 120Hz, VRR and ALLM, so current consoles run at their full frame rates with low lag.
- Is it bright enough for a sunny living room?
- It is dimmer than the C-series and Samsung's QD-OLEDs, so it looks best in dim or controlled light. In a bright room, expect reflections and less punchy HDR.
- Does it support Dolby Vision and Dolby Atmos?
- Yes, it supports Dolby Vision HDR and Dolby Atmos passthrough. The built-in speakers are modest, so a soundbar or AV receiver gets more from Atmos content.
- What is in the box?
- The TV, its stand, a remote and the power cable. A wall mount and HDMI cables are not included.
- What size is this model?
- This is the 55-inch screen size, the smallest in the B4 range, which suits bedrooms and smaller living rooms.
