From their series name, we can guess that LG B1 is introduced as the successor of LG BX. Both of LG B1 and BX are positioned as the more affordable 4K OLED TV series from LG. LG B1 is from LG’s 2021 TV lineup while LG BX is from LG’s 2020 TV lineup. We can also find that both of LG B1 and BX come with 3 screen size options : 77-Inch (OLED77B1PUA & OLED77BXPUA), 65-Inch (OLED65B1PUA & OLED65BXPUA) and 55-Inch (OLED55B1PUA & OLED55BXPUA). What is improved in LG B1 that comes as part of the newer 2021 TV lineup? It’s important for us to know more about the differences of LG B1 and BX before we can find out any improvement in the newer LG B1.
LG B1

LG B1
LG B1 is introduced as affordable 4K OLED TV series from LG’s 2021 TV lineup. LG B1 is positioned between the higher LG C1 and the basic LG A1. LG B1 comes with OLED display that allows us to enjoy perfect black and infinite contrast since its pixels can be completely powered off and dimmed autonomously. OLED panel is also able to delivers wide color gamut with 100% color fidelity that allows us to enjoy rich and accurate color details on the screen of LG B1. LG B1 comes with AI 4K Upscaling that integrated on top of its 4K UHD resolution 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 with AI technology. LG B1 is powered by α7 Gen4 AI Processor 4K. It can optimizes the color, clarity and contrast of the picture delivered on the screen of this TV. The picture quality of LG B1 is also enhanced by AI Picture that integrated with this TV. LG B1 already supports HDR10, HLG and Dolby Vision (Cinema HDR) as well as Dolby Vision IQ so that we can enjoy enhanced details and expanded contrast from wide range of HDR content sources. The motion technology of LG B1 is OLED Motion Pro that based on 120Hz native refresh rate. It’s able to delivers smooth motion images for our favorite action movies and sports while also can brings minimum input lag when we use this TV as our gaming monitor. LG B1 also supports G-SYNC, FreeSync Premium, VRR (Variable Refresh Rate), ALLM (Auto Low Latency Mode) and HGiG that allows us to enjoy more immersive gaming experience. WebOS 6.0 is the operating system of LG B1. It can delivers wide range of premium entertainment from our favorite content providers with fast internet connection provided by 802.11ac wireless attached to this TV. WebOS is also connected to LG Contents/Apps store that allows us to run additional smart apps on the screen of this TV. LG B1 comes with Magic Remote that allows us to control this TV conveniently with its smart functions such as Point, Click, Scroll and Voice. We can also use Google Assistant, Amazon Alexa and Apple HomeKit/AirPlay2 to control this TV since they are already compatible. The speaker system that integrated with LG B1 is 2.2Ch 40W. It’s able to delivers rich and quite powerful sound quality. The sound quality is also enhanced by AI Sound and OLED Surround integrated with LG B1. We can also setup more advanced AV system to enjoy higher quality audio since LG B1 already supports eARC (Enhanced Audio Return Channel).
LG B1 Prices | |
77-Inch (OLED77B1PUA) | Check Today’s Price (LG.com)… |
65-Inch (OLED65B1PUA) | Check Today’s Price (LG.com)… |
55-Inch (OLED55B1PUA) | Check Today’s Price (LG.com)… |
LG BX

LG BX
LG BX is the affordable 4K OLED TV series from LG’s 2020 TV lineup. It’s positioned below LG CX. LG BX comes with 4K UHD resolution that completed with 4K Upscaler to brings excellent picture clarity from both of original 4K content sources and non 4K contents that upscaled into near 4K picture quality. LG BX comes with OLED display technology that can delivers perfect black and infinite contrast with its pixel level dimming. OLED panel is also able to brings rich and accurate color details on the screen of LG BX with its ability to delivers intense Billion Rich Colors. HDR10, HLG and Dolby Vision (Cinema HDR) as well as Dolby Vision IQ are already supported by LG BX so that we can enjoy enhanced details and expanded contrast from wide range of HDR content sources. α7 Gen 3 Processor 4K is the picture processor integrated with LG BX. It can optimizes the color, clarity and contrast of the picture delivered on the screen of this TV. The picture quality is also enhanced by AI Picture that already integrated with this TV. OLED Motion Pro that based on 120Hz native refresh rate is already integrated as the motion technology of LG BX. It allows us to enjoy smooth motion images for our favorite action movies and sports as well as non lagging gaming experience when we use this TV as our gaming monitor. G-SYNC, FreeSync, VRR (Variable Refresh Rate), ALLM (Auto Low Latency Mode) and HGiG are already supported by LG BX to bring more immersive gaming experience. We can enjoy wide range of premium entertainment on the screen of LG BX with WebOS that integrated as the operating system of LG BX. WebOS 5.0 of LG BX is also linked with LG Contents/Apps store to allows us running our favorite smart apps on the screen of this TV. 802.11ac wireless is already integrated with LG BX to brings fast and stable internet connection. LG BX can be controlled conveniently with its included magic remote (Point, Click, Scroll, Voice) as well as Google Assistant, Amazon Alexa and Apple HomeKit/AirPlay2. LG BX comes with 2.2Ch 40W speaker system that completed with AI Sound and OLED Surround so that we can enjoy rich and quite powerful sound. eARC (Enhanced Audio Return Channel) is also integrated with LG BX that allows us to enjoy higher quality audio with additional AV system.
LG BX Prices | |
77-Inch (OLED77BXPUA) | Check Today’s Price… |
65-Inch (OLED65BXPUA) | Check Today’s Price (BestBuy.com)… |
55-Inch (OLED55BXPUA) | Check Today’s Price (BestBuy.com)… |
Similarities & Differences Table of LG B1 and BX
We need to look at the specs and features of LG B1 and BX before we can talk more about their differences. The key specs and features of LG B1 and BX can be found in the similarities and differences table below.
LG B1 | LG BX | |||||||
Similarities | ||||||||
Resolution | 4K UHD | 4K UHD | ||||||
Display Technology | OLED | OLED | ||||||
Dimming Technology | Pixel Level Dimming | Pixel Level Dimming | ||||||
Color Technology |
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HDR Support |
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Motion Technology | OLED Motion Pro (120Hz Native) | OLED Motion Pro (120Hz Native) | ||||||
Gaming Technology |
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AI Picture | YES | YES | ||||||
Smart TV Platform | WebOS powered by LG ThinQ AI | WebOS powered by LG ThinQ AI | ||||||
Remote Control | Magic Remote | Magic Remote | ||||||
Control Support |
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Built-in Wifi | 802.11ac | 802.11ac | ||||||
Sound Technology |
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HDMI/USB | 4/3 | 4/3 | ||||||
Differences | ||||||||
Introduced | 2021 | 2020 | ||||||
Picture Processor | α7 Gen 4 AI Processor 4K | α7 Gen 3 Processor 4K | ||||||
Upscaling Technology | AI 4K Upscaling | 4K Upscaler | ||||||
WebOS Version | WebOS 6.0 | WebOS 5.0 | ||||||
FreeSync Version | FreeSync Premium | FreeSync | ||||||
Price | Higher | Lower | ||||||
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The Differences of LG B1 and BX
There are few differences between LG B1 and BX that we can find in the similarities and differences table above. Let’s talk more about those differences together.
1. Picture Processor
While LG B1 and BX are both powered by α7 picture processor, we can find that they are different in version. LG B1 is powered by α7 Gen 4 AI Processor 4K while LG BX is powered by α7 Gen 3 Processor 4K. LG B1 is powered by α7 Gen 4 AI Processor 4K is the newer version of α7 Gen 3 Processor 4K that can delivers better picture optimization on the screen of LG B1 with more advanced AI technology.
2. Upscaling Technology
The upscaling technology that integrated with LG B1 and BX are different. LG B1 comes with AI 4K Upscaling while LG BX comes with 4K Upscaler. AI 4K Upscaling is able to delivers better upscaling result on the screen of LG B1 as it’s powered by better AI technology of α7 Gen 4 AI Processor 4K than 4K Upscaler that powered by α7 Gen 3 Processor 4K on the screen of LG BX.
3. WebOS Version
While both of LG B1 and BX come with similar WebOS as their operating system, we can find that the version of WebOS integrated with LG B1 and BX are different. LG B1 comes with WebOS 6.0 while LG BX comes with WebOS 5.0. Although they are basically similar, we can find that WebOS 6.0 comes with improvements from WebOS 5.0 that makes relatively user-friendly and more responsive.
4. FreeSync Version
Both of LG B1 and BX already support FreeSync. But they are different in version. LG B1 already supports FreeSync Premium while LG BX only supports FreeSync. FreeSync Premium allows us to enjoy better gaming experience than standard FreeSync.
5. Price
When we look at the price of LG B1 and BX, we can find that LG B1 is usually offered at the higher price than LG BX for similar screen size option. In order to know the latest price difference of LG B1 and BX, it’s important to check the price of those two TVs as TV prices often change from time to time.
What is Improved in LG B1?
Since it comes as the newer model, we expect some improvement in LG B1. What is improved in LG B1? We can find that the main improvement of LG B1 comes from its newer α7 picture processor version. The newer picture processor version is able to delivers better optimization for the color, clarity and contrast on the screen of LG B1. We can also find another improvement in the Upscaling technology of LG B1. It comes with AI 4K Upscaling that can delivers better upscaling result on the screen of LG B1. There’s also improvement in the version of WebOS integrated with LG B1. LG B1 comes with WebOS 6.0 that comes as improvement of WebOS 5.0. We can also find that LG B1 comes with better version of FreeSync (FreeSync Premium) that can brings better gaming experience on its screen. So if you don’t mind to spend higher for the newer processor and Operating system as well as improved upscaling technology and better FreeSync version, then LG B1 is the one that you should choose.
LG B1 Prices | |
77-Inch (OLED77B1PUA) | Check Today’s Price (LG.com)… |
65-Inch (OLED65B1PUA) | Check Today’s Price (LG.com)… |
55-Inch (OLED55B1PUA) | Check Today’s Price (LG.com)… |
LG BX is a good alternative of LG B1 if you have more limited budget. It’s basically similar except that it comes with the older α7 picture processor version that brings less excellent picture optimization, 4K Upscaler that provides less excellent upscaling result, older version of WebOS and standard FreeSync version. If your budget is more limited and you don’t mind the the older α7 picture processor version, less advanced upscaling technology, older version of WebOS as well as less advanced FreeSync version, then LG BX is a good choice for you.
LG BX Prices | |
77-Inch (OLED77BXPUA) | Check Today’s Price… |
65-Inch (OLED65BXPUA) | Check Today’s Price (BestBuy.com)… |
55-Inch (OLED55BXPUA) | Check Today’s Price (BestBuy.com)… |