LG OLED - B5 series LG - 48" Class B5 Series OLED AI 4K UHD Smart Review

The LG B5 OLED packs 120Hz gaming and perfect blacks into a 48-inch screen for $650. Our data shows it's a powerhouse for gamers, but picture quality isn't its strongest suit.

Screen Size 48
Resolution 4K (2160p)
Panel Type OLED
Refresh Rate 120
Hdr Dolby Vision, HDR10, HLG
Smart Platform webOS
Dolby Vision Yes
Dolby Atmos Yes
Hdmi Version 2.1
LG OLED - B5 series LG - 48" Class B5 Series OLED AI 4K UHD Smart tv
84 综合评分

The 30-Second Version

The LG B5 OLED delivers 93rd percentile gaming and audio performance for just $650. You get four HDMI 2.1 ports, 120Hz, and perfect OLED blacks. The catch? Its picture quality sits at the 47th percentile, so it's not the brightest star in the TV sky, but it's a stellar value for the right setup.

Overview

The LG B5 is a 48-inch OLED that punches way above its price tag in a few key areas. It lands in the 93rd percentile for gaming performance and audio, and its connectivity is in the 96th percentile. That means you're getting a TV that's built for modern consoles and sound systems without any compromises. For $650, that's a lot of TV. But it's not perfect across the board. Its picture quality percentile is a more modest 47th, which tells us it's good, but not the absolute best in its class. Think of it as the enthusiast's entry point into OLED.

Performance

Let's talk about where this thing shines. Gaming performance is its superpower, sitting in the 93rd percentile. That 120Hz panel with FreeSync and G-Sync compatibility means buttery smooth gameplay with no tearing. The Alpha 8 AI Processor Gen2 kicks in to optimize the picture on the fly, which is a nice touch. Audio is another high point, also in the 93rd percentile, thanks to Dolby Atmos support. It sounds way better than most built-in TV speakers. The four HDMI 2.1 ports put its connectivity in the 96th percentile, so hooking up a PS5, Xbox, soundbar, and a spare port is no problem. The trade-off? While OLED inherently delivers perfect blacks, its overall picture quality score is only at the 47th percentile. That means other TVs, even some non-OLEDs, might offer more pop or brightness in a bright room.

Performance Percentiles

Hdr 93.5
Audio 90.3
Smart 95.8
Gaming 95.3
Display 33
Connectivity 97.4
Social Proof 95.5
Picture Quality 43.2

Pros & Cons

Pros

  • Gaming-ready specs: 120Hz, VRR, and HDMI 2.1 put it in the 93rd percentile for gamers. 97th
  • Top-tier connectivity: Four HDMI 2.1 ports land it in the 96th percentile for hooking up gear. 96th
  • Impressive built-in audio: Dolby Atmos support helps it score in the 93rd percentile for sound. 96th
  • Smart platform is solid: webOS is smooth and feature-rich, placing it in the 87th percentile. 95th
  • OLED contrast is a given: You get those infinite blacks and perfect per-pixel lighting.

Cons

  • Picture quality is mid-pack: Its 47th percentile ranking means brighter competitors exist. 33th
  • It's a smaller screen: At 48 inches, it's great for a bedroom or office, but not a main living room centerpiece.
  • No EyeSafe certification: A noted concern for some users with light sensitivity.
  • The stand design is basic: Some buyers wish for a more premium or adjustable base.
  • It's not the brightest OLED: HDR impact might be less dramatic in very sunny rooms.

The Word on the Street

4.7/5 (1738 reviews)
👍 Owners are consistently blown away by the deep black levels and color vibrancy, especially for the price, calling it a stunning entry into OLED.
👍 Many highlight it as the perfect TV for gaming, praising the smooth 120Hz performance and lack of input lag.
👎 A recurring note is the desire for a more premium or adjustable stand, with some finding the included feet too basic.

Specifications

Full Specifications

Display

Size 48"
Resolution 4K (2160p)
Panel Type OLED
Curved No
Year 2025

Picture Quality

Contrast Ratio Infinite
Motion Tech OLED Motion
Processor Dynamic Tone Mapping Pro

HDR

HDR Formats Dolby Vision, HDR10, HLG
Dolby Vision Yes
HDR10+ No
HLG Yes

Gaming

Refresh Rate 120 Hz
VRR FreeSync, G-Sync Compatible

Smart TV

Platform webOS
Voice Assistant Alexa
Screen Mirroring Apple AirPlay 2, Google Cast
Works With Amazon Alexa, Google Home, Apple Home

Audio

Dolby Atmos Yes
Surround Sound Dolby Atmos
eARC Yes

Connectivity

HDMI Ports 4
HDMI Version 2.1
USB Ports 2
Wi-Fi Wi-Fi
Bluetooth 5.3
Ethernet Yes
Optical Audio Yes
VESA Mount 300x200

Power & Size

Energy Star Yes
Annual Energy 176
Weight 11.5 kg / 25.4 lbs

Value & Pricing

At $650, the value proposition is pretty clear. You're getting near-top-tier gaming features, excellent connectivity, and great audio in an OLED package. That's a combo you usually have to pay a lot more for. Compared to its bigger, more expensive siblings like the LG C5, you're giving up some peak brightness and maybe a few processor tricks, but you're saving a significant chunk of change. For the price, it's one of the most compelling ways to get into the OLED world.

Price History

New Refurbished
US$500 US$550 US$600 US$650 US$700 3月11日3月20日3月28日4月6日 US$650

vs Competition

Stacked against the competition, the B5 carves out a niche. The LG C5 evo will have better picture quality and brightness, but costs more. The Samsung S85D OLED is a direct competitor, often trading blows on price and performance; the B5 might have a slight edge in smart features with webOS. Against mini-LED TVs like the Hisense U6 or TCL QM8, you lose sheer brightness and size-for-dollar, but you gain the perfect blacks and pixel-level control that only OLED can offer. For a dedicated gaming setup or a media room where lights are controlled, the B5's strengths outweigh its weaknesses.

Spec LG OLED - B5 series LG - 48" Class B5 Series OLED AI 4K UHD Smart Sony BRAVIA 5 Sony BRAVIA 5 98" 4K HDR Smart Mini-LED TV LG OLED evo - G5 series LG - 77" Class G5 Series OLED evo AI 4K UHD Smart Hisense U65QF Mini-LED Hisense - 75" Class U6 Series MiniLED QLED UHD 4K Samsung Neo QLED Samsung QN800D 75" 8K HDR Smart Neo QLED Mini-LED Roku Mini-LED QLED 4K - Pro Roku - 55" Class Pro Series 4K QLED Mini-LED Smart
Screen Size 48 98 77 75 75 55
Resolution 4K (2160p) 3840x2160 3840x2160 3840x2160 7680x4320 3840x2160
Panel Type OLED Mini-LED OLED Mini-LED QLED Mini-LED Mini-LED QLED
Refresh Rate 120 120 120 144 120 120
Hdr Dolby Vision, HDR10, HLG Dolby Vision, HDR10, HLG Dolby Vision, HDR10, HLG Dolby Vision, HDR10+, HLG HDR10+, HLG Dolby Vision, HDR10+, HLG
Smart Platform webOS Google TV webOS Fire TV Tizen Roku TV
Dolby Vision true true true true false true
Dolby Atmos true false true true true true
Hdmi Version 2.1 2.1 2.1 2.1 2.1 2.1
Compare Compare Compare Compare Compare

Common Questions

Q: How does the B5's picture quality compare to more expensive OLEDs?

The data shows its picture quality is in the 47th percentile, which is solid but not class-leading. More expensive models like the LG C5 will have better processors and higher peak brightness, but you still get the core OLED benefit of perfect blacks.

Q: Is this TV good for next-gen gaming consoles?

Absolutely. With a 93rd percentile gaming score, it has everything you need: a 120Hz refresh rate, HDMI 2.1 ports for 4K/120Hz signals, and support for both FreeSync and G-Sync to eliminate screen tearing.

Q: Does this TV have any features to reduce eye strain?

Based on customer Q&A, this specific model does not have an EyeSafe certification. If you are sensitive to light, you may want to look at other LG models that specifically advertise that feature.

Who Should Skip This

If your main living room is flooded with sunlight, you might want to think twice. The B5's picture quality percentile of 47th means it can't compete with the peak brightness of high-end mini-LED TVs. Also, if you're looking for a massive 75-inch-plus centerpiece for movie nights, the 48-inch screen size simply isn't the right fit. This TV is built for more intimate, controlled environments.

Verdict

If you're a gamer or a movie watcher who values perfect blacks and responsive performance over sheer, blinding brightness, this TV is a fantastic buy. The data shows it excels exactly where it needs to for those use cases. Its weaknesses in overall picture quality percentile (47th) are real, but they're the trade-off for getting OLED tech at this price. We'd recommend it in a heartbeat for a bedroom, office, or secondary living space where its 48-inch size and gaming chops make perfect sense.