In LG’s 2024 TV lineup, LG B4 is positioned as the basic OLED 4K TV series. It’s positioned below LG C4 and G4. As the basic 4K OLED TV series, LG B4 becomes the most affordable OLED 4K TV series from LG’s 2024 TV lineup. There are 5 screen size options available for LG B4: 83-Inch (OLED83B4PUA), 77-Inch (OLED77B4PUA), 65-Inch (OLED65B4PUA), 55-Inch (OLED55B4PUA) and 48-Inch (OLED48B4PUA). Should You Choose LG B4? It’s recommended to know more about the pros and cons of LG B4 before we can find out whether LG B4 is the OLED 4K TV series that you should choose.
LG B4 Short Review
LG B4 is introduced as the basic 4K OLED TV series from LG’s 2024 TV lineup. It’s the successor of LG B3 from LG’s 2023 TV lineup. As a basic 4K OLED TV series, LG B4 comes with WOLED panel type. Although it’s less excellent than QD OLED, WOLED panel of LG B4 is still an OLED panel that can deliver perfect black and infinite contrast with its pixel level dimming.
With OLED panel, LG B4 also can deliver wide color gamut so that we can enjoy rich and accurate color details on its screen. OLED Panel also can deliver wide viewing angle so that we can enjoy accurate details from any angle we are watching this TV. 4K UHD resolution of LG B4 is completed with α8 AI Super Upscaling 4K that allows us to enjoy excellent picture clarity not only from original 4K content sources but also from non 4K contents that upscaled into near 4K picture quality.
LG B4 already supports HDR10, Dolby Vision and HLG so that we can enjoy enhanced details and expanded contrast from wide range of HDR content sources. The color, clarity and contrast of LG B4 are optimized by α8 AI Processor 4K integrated as the picture processor of this TV.
LG B4 comes with 120Hz native refresh rate on top of its OLED panel. It can deliver smooth motion images for our favorite action movies and sports. It also can bring low input lag when we use this TV as our gaming monitor. LG B4 already supports Variable Refresh Rate (VRR), Auto Low Latency Mode (ALLM), FreeSync, G-Sync and HGiG on top of its 120Hz native refresh rate that allows us to enjoy more immersive gaming experience.
WebOS 24 is the operating system integrated with LG B4. It can deliver wide range of premium entertainment from our favorite content providers. We can also run wide collection of smart apps with access to LG Contents/Apps Store. Wi-Fi 5 is already attached with LG B4 that allows us to connect this TV to our home network easily. We can control LG B4 conveniently with the smart functions of its included Magic Remote. We can also use Google Assistant, Amazon Alexa and Apple Airplay 2/Apple Home to control this TV since they are already supported.
The speaker system integrated with LG B4 is quite basic. It only comes with 2CH 20W speaker system. But it’s already completed with α8 AI Sound Pro and LG Sound Sync that support Dolby Atmos so that we can still enjoy good sound quality. We can also easily connect additional soundbar or speaker system to LG B4 since it’s already Bluetooth Surround Ready and WiSA Ready. We can also setup more advanced AV system with eARC (Enhanced Audio Return Channel) to enjoy higher quality audio formats.
| LG B4 Prices | |
| 83-Inch (OLED83B4PUA) | Check Today’s Price (LG.com)… |
| 77-Inch (OLED77B4PUA) | Check Today’s Price (LG.com)… |
| 65-Inch (OLED65B4PUA) | Check Today’s Price (LG.com)… |
| 55-Inch (OLED55B4PUA) | Check Today’s Price (LG.com)… |
| 48-Inch (OLED48B4PUA) | Check Today’s Price (BestBuy.com)… |
Specs & Features Table of LG B4
The key specs and features of LG B4 can be summarized with the specs and features table below.
| Key Features | |
| Introduced | 2024 |
| Brand | LG |
| Series Name | B4 |
| Screen Size Options |
|
| Resolution | 4K UHD |
| Display Technology | WOLED |
| Upscaling Technology | α8 AI Super Upscaling 4K |
| Dimming Technology | Pixel Dimming |
| Color Technology |
|
| HDR Support |
|
| Motion Technology | OLED Motion (120Hz Native) |
| Gaming Technology |
|
| Picture Processor |
|
| TV Software | |
| Operating System | WebOS 24 |
| App Store | LG Content/Apps Store |
| ThinQ Smart Technology | YES |
| Full Web Browser | YES |
| Remote Control | Magic Remote |
| Smartphone Remote App | YES |
| Control Support |
|
| Connections | |
| HDMI/USB |
|
| USB Type | v 2.0 |
| HDMI Audio Return Channel (ARC) | eARC (4 ports) |
| Built-in Wi-Fi | 802.11ac (Wi-Fi 5) |
| IP Control | YES |
| Bluetooth | Version 5.1 |
| Ethernet Input | 1 |
| RF Input (Antenna/Cable) | 1 |
| TV Tuner | ATSC1.0 (Terrestrial), QAM (Cable) |
| Smart Phone Connectivity | YES |
| Simplink (HDMI CEC) | YES |
| RS-232C Input (Mini Jack) | YES |
| Audio | |
| Speaker System | 2CH 20W |
| Sound Technology |
|
| Dimensions | |
| Product Size with Stand (W x H x D) |
|
| Product Size Without Stand (W x H x D) |
|
| Stand Width |
|
| Shipping Size (W x H x D) |
|
| Weight | |
| Product Weight with Stand |
|
| Product Weight Without Stand |
|
| Shipping Weight |
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| Power | |
| Power Requirements (voltage, frequency) | AC 120V, 50/60Hz |
| Power Consumption |
|
| Standby Power Consumption | Under 0.5W |
| Price | |
| 83-Inch (OLED83B4PUA) | Check Today’s Price (LG.com)… |
| 77-Inch (OLED77B4PUA) | Check Today’s Price (LG.com)… |
| 65-Inch (OLED65B4PUA) | Check Today’s Price (LG.com)… |
| 55-Inch (OLED55B4PUA) | Check Today’s Price (LG.com)… |
| 48-Inch (OLED48B4PUA) | Check Today’s Price (BestBuy.com)… |
LG B4 Pros & Cons
We can find that there are few pros and cons of LG B4 after we shortly review and look at its specs & features. Let’s continue our discussion with the pros and cons of this LG OLED 4K TV series.
Pros
1. Perfect Black with Infinite Contrast
LG B4 comes with OLED panel. OLED pixels can be completely powered off and dimmed autonomously (pixel level dimming) that allows us to enjoy perfect black with infinite contrast on the screen of this TV.
2. Wide Color Gamut
OLED panel of LG B4 can deliver wide color gamut that allows us to enjoy rich and accurate color details on the screen of this TV.
3. Wide Viewing Angle
LG B4 with OLED panel can deliver wide viewing angle on its screen. With wide viewing angle, we can enjoy accurate details from any angle we are watching this TV.
4. Wide Range of HDR Support
LG B4 already supports wide range of HDR formats. It already supports HDR10, Dolby Vision and HLG. With wide range of HDR formats, we can enjoy enhanced details and expanded contrast from wide range of HDR content sources.
5. Low Input Lag
LG B4 already comes with 120Hz native refresh rate on top of its OLED panel. 120Hz native refresh rate on top of OLED panel can bring low input lag so that we can enjoy smooth motion images for our favorite action movies and sports and non-lagging gaming experience.
6. Advanced Gaming Technology
LG B4 already supports Variable Refresh Rate (VRR), Auto Low Latency Mode (ALLM), FreeSync, G-Sync and HGiG on top of its 120Hz. With VRR, ALLM, FreeSync, G-Sync and HGiG support, we can enjoy more immersive gaming experience on the screen of this TV.
Cons
1. Lower Peak Brightness
LG B4 comes with WOLED panel type. WOLED panel only can deliver lower peak brightness than QD OLED panel that we can find in LG C4 as the higher series of LG B4. So we can only enjoy less excellent contrast ratio on the screen of LG B4 than the one of the LG C4 with QD OLED panel.
2. No ATSC 3.0 and Wi-Fi 6
LG B4 doesn’t come with ATSC 3.0 and Wi-Fi 6. It only comes with standard ATSC and Wi-Fi 5. Without ATSC 3.0, we can’t enjoy 4K HDR OTA (Over the Air) entertainment on the screen of LG B4. While Wi-Fi 5 can’t handle faster internet connection for LG B4.
The pros and cons of LG B4 can be summarized in the table below.
| LG B4 Pros & Cons | |
| PROS | CONS |
|
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Should You Choose LG B4?
Based on our discussion about pros and cons of LG B4, we can find that LG B4 is the one to choose if you are looking for OLED 4K TV but you have more limited budget. As the most affordable OLED 4K TV series from LG’s 2024 TV lineup, LG B4 is also one of the most affordable OLED 4K TV series in the market nowadays. If you are looking for affordable 4K OLED TV while you don’t mind with the lower peak brightness as well as the absence of ATSC 3.0 and Wi-Fi 6 then LG B4 is the one that you should choose.
| LG B4 Prices | |
| 83-Inch (OLED83B4PUA) | Check Today’s Price (LG.com)… |
| 77-Inch (OLED77B4PUA) | Check Today’s Price (LG.com)… |
| 65-Inch (OLED65B4PUA) | Check Today’s Price (LG.com)… |
| 55-Inch (OLED55B4PUA) | Check Today’s Price (LG.com)… |
| 48-Inch (OLED48B4PUA) | Check Today’s Price (BestBuy.com)… |