It’s easy to notice that LG B4 was introduced as the successor to LG B3. Both LG B4 and B3 are positioned as the basic OLED 4K TV series of LG. LG B4 from LG’s 2024 TV lineup while LG B3 was released as part of LG’s 2023 TV lineup. LG B4 is offered in 5 screen size options: 83-Inch (OLED83B4PUA), 77-Inch (OLED77B4PUA), 65-Inch (OLED65B4PUA), 55-Inch (OLED55B4PUA) and 48-Inch (OLED48B4PUA) while LG there are only 3 screen size options available for LG B3: 77-Inch (OLED77B3PUA), 65-Inch (OLED65B3PUA) and 55-Inch (OLED55B3PUA). Is LG B4 a better choice? It’s important for us to know more about similarities and differences between LG B4 and B3 before we can find out whether LG B4 is a better choice.
LG B4 and B3 Similarities
LG B4
As the successor-predecessor series, there are a number of similarities between LG B4 and B3. Let’s talk more about similarities between LG B4 and B3 together.
1. OLED Panel
Both LG B4 and B3 come with OLED panel (WOLED). With OLED panel, LG B4 and B3 can deliver perfect black and infinite contrast since their pixels can be completely powered off and dimmed autonomously. We can also find that the OLED panel of those two TVs can deliver wide color gamut so that we can enjoy rich and accurate color details on their screen. We can also enjoy accurate details when we are watching LG B4 and B3 from any side viewing angle since their OLED panel can deliver wide viewing angle.
2. 4K UHD Resolution with AI Upscaling
Both LG B4 and B3 come with 4K UHD resolution that completed with AI Upscaling. With AI Upscaling, we can enjoy excellent picture clarity not only from original 4K content sources.
3. HDR Support
Both LG B4 and B3 already support Dolby Vision, HDR10 and HLG. With Dolby Vision, HDR10 and HLG support, we can enjoy enhanced details and expanded contrast from wide range of HDR content sources.
4. Refresh Rate and Gaming Technology
120Hz native refresh rate is already integrated with the OLED panel of LG B4 and B3. With 120Hz native refresh rate, we can enjoy fluid motion images for our favorite action movies and sports. Both LG B4 and B3 already support FreeSync, G-SYNC, VRR (Variable Refresh Rate), ALLM (Auto Low Latency Mode) and HGiG that allows us to enjoy more immersive gaming experience on the screen of those two TVs.
5. Smart TV and Remote Control
Both LG B4 and B3 comes with WebOS as their operating system although they come with different version of WebOS. WebOS can deliver wide range of premium entertainment from our favorite content providers while also allows us to run wide collection of smart apps with access to LG contents/Apps Store. 802.11ac (Wi-fi 5) is already attached with LG B4 and B3 that allows us to connect this TV to our home network conveniently. Magic Remote is already included with LG B4 and B3 that allows us to control this TV with its smart functions conveniently. We can also use Google Assistant, Amazon Alexa and Apple AirPlay/HomeKit to control these two TVs since they are already supported.
6. Sound Technology
The speaker system integrated with LG B4 and B3 are similar. They both come with 2CH 20W speaker system. Although it’s quite basic speaker system, we can still enjoy good sound quality since both LG B4 and B3 already comes with AI Sound Pro that support Dolby Atmos. We can also easily attach additiona soundbar or speaker system to LG B4 and B3 since they are already Bluetooth Surround Ready and WiSa ready. We can also setup advanced AV system with eARC (Enhanced Audio Return Channel) of those two TVs to enjoy higher quality audio formats.
The table below can summarize the similarities between LG B4 and B3.
| LG B4 | LG B3 | |
| Brand | LG | LG |
| Introduced | 2024 | 2023 |
| Screen Size |
|
|
| Resolution | 4K UHD | 4K UHD |
| Display Technology | OLED (WOLED) | OLED (WOLED) |
| Upscaling Technology | AI Super Upscaling | AI Super Upscaling |
| Dimming Technology | Pixel Level Dimming | Pixel Level Dimming |
| Color Technology |
|
|
| HDR Support |
|
|
| Refresh Rate |
120Hz Native
|
120Hz Native
|
| Gaming Technology |
|
|
| AI Picture | YES | YES |
| Smart TV Platform | WebOS 23 | WebOS 22 |
| Built-in Wifi | 802.11ac (Wi-Fi 5) | 802.11ac (Wi-Fi 5) |
| Remote Control | Magic Remote | Magic Remote |
| TV Tuner | ATSC, Clear QAM | ATSC, Clear QAM |
| Sound Technology |
|
|
| HDMI/USB | 4/2 | 4/2 |
LG B4 and B3 Differences
LG B3
There are also few differences between LG B4 and B3 besides the similarities that we have talked before. Let’s talk more about those differences together.
1. Picture Processor
The picture processor integrated with LG B4 and B3 are different. LG B4 is powered by α8 AI Processor 4K while LG B3 is powered by α7 AI Processor Gen6. α8 AI Processor 4K is the more advanced picture processor that can deliver better picture optimization for the color, clarity and contrast of LG B4 than AI Processor Gen6 of LG B3.
2. WebOS Version
While both LG B4 and B3 come with WebOS as their operating system, we can find that the WebOS integrated with LG B4 and B3 are different. LG B4 as the 2024 series comes with WebOS 24 while LG B3 that comes from 2023 lineup comes with WebOS 23. Although they are basically similar in functions, WebOS 24 comes with minor improvements that make it more intuitive and faster.
3. Price
LG B4 is normally offered at a higher price than LG B3 since it comes as the successor series. To know the latest price difference between LG B4 and B3, it’s necessary to check the price of LG B4 and B3 since TV prices often change from time to time.
We can summarize the differences between LG B4 and B3 with the table below.
| LG B4 | LG B3 | |||||||||
| Introduced | 2024 | 2023 | ||||||||
| Picture Processor | α8 AI Processor 4K | α7 AI Processor Gen6 | ||||||||
| WebOS Version | WebOS 24 | WebOS 23 | ||||||||
| Price | More Expensive | Less Expensive | ||||||||
|
|
Is LG B4 a Better Choice?
LG B4 is basically a better choice than LG B3. As the successor series, LG B4 comes with better picture processor and newer version of WebOS. With better picture processor, we can enjoy better picture optimization on the screen of LG B4. We can also get minor improvements with WebOS 24 in LG B4 although its functions are basically similar to WebOS 23 of LG B3. So, if you are interested in better picture optimization and the newer version of WebOS, 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)… |
LG B3 is a good alternative choice of LG B4 if you have more limited budget for your 4K OLED TV. As the predecessor series, we can find that LG B3 is often offered at a discount price that make it more affordable than LG B4. Although it comes with less advanced picture processor, LG B3 basically still can deliver good picture quality on top of its OLED panel. We can also find that the older WebOS 23 also can deliver the smart functions without any problems.
| LG B3 Prices | |
| 77-Inch (OLED77B3PUA) | Check Today’s Price (LG.com)… |
| 65-Inch (OLED65B3PUA) | Check Today’s Price (LG.com)… |
| 55-Inch (OLED55B3PUA) | Check Today’s Price (LG.com)… |