LG

LG OLED B3 55" 4K Smart TV

A 55 inch OLED from LG's value B-series, a 2023 set that brings perfect blacks, 40W sound and low input lag at a friendlier price than the C-series.

79/100
Strong value
Overall score · how we rate
55 inch OLED120Hz13ms input lag40W soundDolby Vision + AtmosFreeview Play
£1,694best price at Amazon
In stock at 1 retailer

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Why we rate it

  • Perfect OLED blacks
  • Low 13ms input lag
  • 40W sound system
  • Dolby Vision and Freeview Play
  • Dimmer than the C-series
  • Only two HDMI 2.1 ports
Score profile

Where the LG OLED B3 55" 4K Smart TV wins and loses

Scored against the tvs class
PictureGamingSoundSmartBrightness8684708068
Picture quality
86
Gaming
84
Sound
70
Smart features
80
Brightness
68
Full specification

Specifications

Grouped · supported features marked in blue

Panel

Size55 "
Panel typeOLED
Resolution4
Refresh rate120 Hz

HDR

Dolby VisionYes
HLGYes

Processor and image

Image processorIntelligent α7 AI processor
AI upscalingYes

Audio

Speaker output40 W
Dolby AtmosYes

Gaming

HDMI 2.1 ports2
VRRYes
Auto low latency modeYes

Platform and apps

Smart TV OSwebOS
Voice assistantGoogle Assistant
Freeview PlayYes

Release

Model year2023

More specs

AlllmYes
USB ports3
HDMI ports4
Input lag13 ms
Smart platformwebOS
Color depth bit10

Watch it in action

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Head to head

LG OLED B3 55" 4K Smart TV vs Sony Sony BRAVIA 8 II 55" QD-OLED

Highlighted cell = better in that row
PictureGamingSoundSmartBrightness
LG OLED B3 55" 4K Smart TVSony BRAVIA 8 II 55" QD-OLED
 LGLG OLED B3 55" 4K Smart TVThis pageSonySony BRAVIA 8 II 55" QD-OLED
Overall score79 /10082 /100Better
Size55 "55 "
Panel typeOLEDQD-OLED
Refresh120 Hz120 Hz
HDMI 2 1 count24Better
Who it's for

Is the LG OLED B3 55" 4K Smart TV right for you?

Buy it if
Value-first OLED buyers

If you want OLED's perfect blacks, low input lag and decent built-in sound without paying C-series money, the B3 is a smart, well-priced way into OLED.

Skip it if
Bright rooms and latest tech

If your room is very bright or you want the newest panel and the brightest highlights, the C-series or a high-brightness Mini-LED will suit you better.

Value OLED buyer
Wants perfect blacks and low input lag without paying C-series prices.
excellent
Dim-room film fan
Watches films in controlled light where OLED contrast shines.
good
Console gamer
Wants 120Hz, VRR and very low lag from a PS5 or Series X.
good
Bright-room viewer
Has a sunny room and wants maximum brightness and the newest panel.
skip
Common questions

Before you buy

How is the LG B3 different from the C-series?

Both are OLEDs with perfect blacks, but the C-series uses a brighter panel and the more powerful α9 processor. The B3 trades some brightness and processing for a lower price.

Is it good for gaming?

Yes. It has a 120Hz panel with VRR, ALLM and a low 13ms input lag, so it feels responsive for PS5 and Series X play.

How many HDMI 2.1 ports does it have?

Two of the four HDMI ports are 2.1, so plan which 4K 120Hz devices go into them if you run several next-gen sources.

Is a 2023 TV still worth buying?

It can be good value, since the core OLED picture holds up well. Just weigh the price against newer panels and check it suits your room.