LG B4 OLED 55 leads Category Average overall by 66 points (66 vs 0 out of 100).
LG B4 OLED 55 stands out on Gaming HDMI 2.1 Ports: 4.
LG B4 OLED 55 leads overall
$1,399 at launch
Why it stands out
Gaming HDMI 2.1 Ports: 4
In-depth analysisAI
AI-generated from the cited sources — may be incomplete or inaccurate; verify important details before deciding · generated Jun 2026.
LG B4 OLED 55
The LG B4 OLED TV is described as an affordable premium model with various sizes available in 48, 55, 65, 77, and 83 inches. It features a super thin design, virtually non-existent bezels, and a broad range of connectivity options. The model offers high-quality picture capabilities suitable for multiple viewing environments.
Best for large group settingBest for gamingBest for movie viewing
Pros
Features super wide viewing angles, making it good for large group settings.
Includes a 120Hz refresh rate and OLED motion capability, providing smooth video play.
Equipped with four HDMI 2.1 ports, allowing connection of multiple high-refresh-rate devices.
Offers various connectivity options, including Wi-Fi 5, Bluetooth, Ethernet, and optical audio.
Features LG's WebOS 24 operating system with the Alpha 8 AI processor for smooth use.
Cons
The side inputs may require special consideration when choosing a thin profile wall mount.
Audio performance is limited by the necessity of connecting an external soundbar.
Video — reviews used (3)
Video overview covering features, specs, and usage scenarios.
Generated Jun 28, 2026
Physical Comparison
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Detailed Specifications
The full spec sheet, side by side
Panel
Feature
LG B4 OLED 55
Category Average
Screen Size
55 in
63 in
Resolution
3840 × 2160 px
3840 × 2160 px
Panel Technology
Refresh Rate
120 Hz
131 Hz
Dimensions
122.8 × 70.8 × 4.6 cm
81.43 × 139.93 × 7.29 cm
Screen-to-body ratio
96%
96%
Picture Quality
Feature
LG B4 OLED 55
Category Average
Peak Brightness (HDR)
650 nits
2,059 nits
Local Dimming
Yes
Yes
Processor
Alpha 8 AI Processor Gen7
XR Processor
HDR
Feature
LG B4 OLED 55
Category Average
HDR Formats
Dolby Vision, HDR10, HLG
Dolby Vision, HDR10, HLG
Dolby Vision
Yes
Yes
Gaming
Feature
LG B4 OLED 55
Category Average
Gaming Refresh Rate (VRR Max)
120 Hz
147 Hz
HDMI 2.1 Ports
4
3
ALLM
Yes
Yes
Connectivity
Feature
LG B4 OLED 55
Category Average
Total HDMI Ports
4
4
Wi-Fi
Wi-Fi 5
Wi-Fi 5
Bluetooth
Yes
Yes
Ethernet
Yes
Yes
Release Date
May 1, 2024
April 1, 2024
Specification Note
Specifications are compiled from official manufacturer data and other reliable internet sources. Some features may vary by region or model configuration.