LG B5 OLED Review
A discounted OLED favourite for dark-room movies and 4K gaming.
At a Glance
The B5 pairs OLED contrast with four HDMI 2.1 ports, 4K/120Hz support and a mature webOS interface. Its strongest appeal comes when sale pricing narrows the gap to conventional Mini-LED televisions.
LG B5 OLED Specifications
The 55-inch LG B5 is a 4K OLED TV with a 120Hz refresh rate, Alpha 8 AI Processor Gen2, Dolby Vision and Dolby Atmos, webOS 25, four HDMI inputs and Wi-Fi 6E.
Display
| Screen Sizes | 48", 55", 65", 77", 83"; reviewed size 55" |
| Panel Technology | OLED |
| Resolution | 4K UHD (3840 x 2160) |
| Native Refresh Rate | 120Hz |
| HDR Formats | Dolby Vision, HDR10, HLG |
| Processor | Alpha 8 AI Processor Gen2 |
Gaming
| VRR | NVIDIA G-Sync support |
| Max Gaming Refresh | 4K/120Hz |
| ALLM / Game Mode | Yes |
Audio
| Speakers | 2 built-in speakers |
| Audio Formats | Dolby Atmos |
Smart Platform
| Smart TV Platform | webOS 25 |
| Casting & Assistants | Apple AirPlay; Alexa built-in; works with Google Assistant; LG ThinQ |
Connectivity
| HDMI Inputs | 4 HDMI inputs |
| USB | 2 x USB-A 2.0 |
| Other Ports | Ethernet; ATSC/QAM tuner |
| Wireless | Wi-Fi 6E (802.11ax); Bluetooth 5.3 |
Dimensions & Weight
| Dimensions | With stand: 48.3 x 30.4 x 9.3 in (1228 x 772 x 235 mm) |
| Weight | With stand: 32 lb (14.5 kg); without stand: 31.5 lb (14.3 kg) |
Power
| Power Consumption | Typical 110.9W; standby under 0.5W |
Warranty & Support
| Warranty | 1-year limited warranty for parts and labor |
| Support | 24/7 chat support; phone, chat and email contact options; Premium Care extended service plans |
Summary
The reviewed 55-inch model combines self-lit OLED picture technology with 4K/120Hz gaming features and eARC. Its smart platform includes webOS 25, AirPlay and voice-assistant support, while wired connectivity includes four HDMI inputs, two USB ports and Ethernet.
Should You Buy the LG B5 OLED?
The LG B5 OLED ranks #3 of 10 in our Best Budget TVs ranking, with a CORE score of 90/100. It is strongest on picture & HDR quality and gaming & motion, where it ranks 2nd of 10 on both.
Buy it if
- You want a budget TV for dark-room film viewing and console gaming when strong B5 discounts are available.
- You want strong picture & HDR quality: it ranks 2nd of 10 on this measure.
- You want strong gaming & motion: it ranks 2nd of 10 on this measure.
Skip it if
- Value for money is your top priority. The Hisense U6SF Pro scores 96 there, against 80 for the LG B5 OLED.
How the LG B5 OLED Scored
CORE scores every model in this category on the factors below, listed from most to least important for budget TVs. The rank shows where the LG B5 OLED places among the 10 models in our Best Budget TVs ranking.
Technical Assessment
Performance
Current professional ranking/review evidence used for field-relative merits and limitations; no round-up claim was treated as a measured benchmark unless the underlying review was available. Strong color, webOS and gaming; low HDR brightness and reflective screen.
Reliability and Ownership
The B5 has a larger owner base and a mature webOS/OLED platform, giving better real-world evidence than the newest sets.
Pros and Cons
Pros
- Excellent OLED blacks
- Four HDMI 2.1 ports
- Strong webOS and gaming
Cons
- Value depends heavily on sale pricing and HDR brightness is modest
- Built-in audio is fairly basic for an OLED
What Reviewers and Owners Say
- OLED picture-quality outlier for budget shoppers when smaller/discounted sizes fall into range; price keeps value below LCD leaders.
Owners rate the LG B5 OLED 4.7 out of 5 on average, across 623 ratings at 2 US retailers.
LG B5 OLED Alternatives
Hisense U6SF Pro
Choose it for stronger value for money: it scores 96 there, against 80 for the LG B5 OLED.
LG B6 OLED
Choose it for stronger built-in sound: it scores 81 there, against 78 for the LG B5 OLED.
TCL QM7K
Choose it for stronger value for money: it scores 90 there, against 80 for the LG B5 OLED.
How We Evaluate
Last updated September 29, 2026.