The lg b4 oled is one of LG’s most attractive OLED televisions for users who want premium picture quality, modern gaming features, and an immersive smart TV experience without paying flagship prices. Although the product specification discussed in this guide is based on the LG OLED B1 Series 65-inch OLED65B1PUA, many of its technologies remain relevant when comparing newer OLED televisions in the B-series lineup.
If you’re researching the lg b4 oled, comparing it with the lg c4, or reading an lg c4 review before making a purchase decision, this guide explains everything you need to know. We’ll explore display quality, AI processing, gaming performance, smart features, sound quality, connectivity, and value for money.
Whether you’re a movie enthusiast, competitive gamer, or someone looking for a premium smart TV for everyday entertainment, this detailed guide will help you determine whether the is the right television for your home.
Product Information Table
| Specification | Details |
|---|---|
| Product Name | LG OLED B1 Series Smart TV |
| Display Size | 65 Inches |
| Display Type | OLED |
| Resolution | 4K Ultra HD (3840 × 2160) |
| Refresh Rate | 120Hz |
| Processor | α7 Gen 4 AI Processor 4K |
| HDR Formats | Dolby Vision IQ, HDR10, HLG |
| Audio | Dolby Atmos |
| Gaming Support | NVIDIA G-SYNC, FreeSync Premium |
| Smart Platform | webOS |
| Voice Assistant | Alexa Built-in & Google Assistant |
| HDMI | HDMI 2.1 |
| Wi-Fi | Yes |
| Bluetooth | Yes |
| Streaming Apps | Netflix, Prime Video, Disney+, Apple TV+ |
| Model | OLED65B1PUA |
| Release Year | 2021 |
Why the LG B4 OLED Continues to Attract Buyers
The popularity comes from its excellent balance between price and premium OLED performance. LG has spent years refining OLED display technology, resulting in televisions that offer exceptional contrast, vibrant colors, and industry-leading viewing angles.
Unlike traditional LED televisions that rely on backlighting, OLED panels illuminate each pixel individually. This allows every pixel to switch completely off, creating true blacks and virtually infinite contrast.
For viewers who enjoy watching movies in dark rooms, this technology makes a dramatic difference. Black scenes appear truly black instead of gray, while bright highlights remain vivid and detailed.
The lg b4 oled also appeals to gamers because it combines smooth motion, low input lag, and HDMI 2.1 features in one package.
Key Features
Some of the standout technologies include:
- OLED self-lit pixels
- 4K Ultra HD resolution
- 120Hz native refresh rate
- α7 Gen 4 AI Processor
- Dolby Vision IQ
- Dolby Atmos
- HDMI 2.1
- NVIDIA G-SYNC Compatible
- FreeSync Premium
- AI Picture Pro
- AI Sound Pro
- webOS Smart TV platform
- Built-in Alexa
- Google Assistant support
- WiSA Ready
These premium technologies combine to deliver a high-end entertainment experience suitable for movies, sports, gaming, and everyday television viewing.
OLED Display Technology
The biggest strength of the lg b4 oled is undoubtedly its OLED display.
Instead of using a traditional LED backlight, OLED panels allow each pixel to generate its own light. This results in several major advantages:
- Perfect black levels
- Infinite contrast
- Better HDR performance
- Exceptional viewing angles
- Faster pixel response
- More accurate colors
Because every pixel can turn completely off, scenes set in space, nighttime environments, or dark movies appear incredibly realistic.
This is one of the reasons OLED displays continue to dominate premium television rankings.
Picture Quality
Picture quality is where the truly shines.
Its OLED panel produces over eight million individually controlled pixels that work together to deliver stunning realism.
Key improvements include:
Deep Blacks
OLED creates perfect blacks because inactive pixels emit no light.
Brilliant Colors
The television reproduces more than one billion colors, creating natural skin tones and vibrant landscapes.
Infinite Contrast
Bright highlights remain brilliant while dark regions retain impressive detail.
Sharp 4K Resolution
Native Ultra HD resolution delivers exceptional clarity for movies, sports, documentaries, and gaming.
Wide Viewing Angles
Unlike many LED televisions, color and brightness remain consistent even when viewed from the side.
α7 Gen 4 AI Processor 4K
The heart of the television is LG’s α7 Gen 4 AI Processor.
This intelligent processor improves nearly every aspect of viewing.
Its responsibilities include:
- AI Picture optimization
- AI Sound optimization
- Motion enhancement
- Noise reduction
- Object recognition
- Scene analysis
- AI 4K Upscaling
The processor automatically analyzes every frame before displaying it.
Instead of applying one universal setting, it adjusts picture characteristics based on what you’re watching.
Sports receive smoother motion.
Movies gain cinematic contrast.
Animation becomes brighter and more colorful.
Documentaries preserve realistic detail.
AI Picture Technology
One of the smartest features inside the lg b4 oled is AI Picture.
Artificial intelligence continuously analyzes content and adjusts:
- Brightness
- Contrast
- Sharpness
- Color
- Object depth
- Facial details
The result is a more realistic viewing experience without requiring manual adjustments.
Even older HD content benefits from improved sharpness through intelligent processing.
AI 4K Upscaling
Not every piece of content is available in native 4K resolution.
Fortunately, AI 4K Upscaling significantly improves lower-resolution videos.
The processor intelligently enhances:
- DVDs
- HD broadcasts
- Older TV shows
- YouTube videos
- Streaming content
Rather than simply enlarging the image, the AI processor reconstructs detail for a sharper appearance.
HDR Performance
High Dynamic Range dramatically improves image quality.
The lg b4 oled supports several popular HDR standards.
These include:
- Dolby Vision IQ
- HDR10
- HLG
HDR expands:
- Brightness
- Contrast
- Shadow detail
- Color volume
The result is more lifelike movies and games.
Dolby Vision IQ
Dolby Vision IQ goes beyond traditional HDR.
Instead of applying one brightness setting, the television measures ambient room lighting.
If you’re watching during daylight:
- Brightness increases.
If you’re watching at night:
- Brightness adjusts downward.
This intelligent optimization preserves cinematic accuracy regardless of room conditions.
Movies maintain excellent visibility without washing out dark scenes.
Cinema Experience
The lg b4 oled is designed for home theater enthusiasts.
Movie lovers benefit from:
- Dolby Vision IQ
- Dolby Atmos
- OLED contrast
- Filmmaker Mode
- Accurate colors
- Smooth motion
These technologies recreate the director’s intended presentation as closely as possible.
Watching blockbuster films becomes much more immersive compared to standard LED televisions.

Filmmaker Mode
Many televisions apply excessive image processing by default.
Filmmaker Mode disables unnecessary enhancements such as:
- Artificial sharpening
- Motion interpolation
- Over-saturated colors
Instead, movies appear exactly as directors intended.
This is particularly valuable for cinema enthusiasts seeking an authentic viewing experience.
Smart TV Features
The lg b4 oled includes LG’s intuitive webOS platform.
Users can easily access popular streaming services, including:
- Netflix
- Disney+
- Prime Video
- Apple TV+
- YouTube
- LG Channels
Navigation is quick and responsive, while personalized recommendations make discovering new content simple.
The interface also supports user profiles, allowing different family members to maintain separate watchlists and recommendations.
Built-in Voice Assistants
Convenience is another major advantage of the lg b4 oled.
It includes:
- Alexa Built-in
- Google Assistant support
You can use voice commands to:
- Search movies
- Launch apps
- Control playback
- Check weather
- Set reminders
- Control compatible smart home devices
- View shopping lists
- Ask general questions
This hands-free functionality reduces the need to navigate menus manually.
Why Many Buyers Compare It with LG C4
When shopping for an OLED television, many consumers also compare the lg b4 oled with the lg c4. While the C-series generally offers a more powerful processor and some additional premium features, the B-series remains an outstanding value for users who want OLED picture quality at a lower price point.
A detailed lg c4 review often highlights its brightness improvements and upgraded processing, but for many households, the viewing experience of the lg b4 oled is already excellent for movies, streaming, sports, and gaming. Buyers looking at the lg c4 65 model should consider whether the extra features justify the additional cost based on their viewing habits.
Gaming Performance of the LG B4 OLED
Gaming has become one of the biggest reasons people invest in an OLED television, and the lg b4 oled delivers an outstanding experience for both casual and competitive players. Thanks to its OLED panel, 120Hz refresh rate, HDMI 2.1 support, and advanced gaming technologies, this TV is designed to keep up with fast-paced action.
Whether you enjoy first-person shooters, racing games, sports titles, or open-world adventures, the lg b4 oled provides responsive gameplay with stunning image quality.
120Hz Refresh Rate
A native 120Hz refresh rate allows the TV to display up to 120 frames per second when connected to compatible gaming hardware.
Benefits include:
- Smoother motion
- Reduced blur
- Better tracking during fast movement
- Improved responsiveness
- More immersive gameplay
Players using modern gaming systems will appreciate how fluid games appear during high-speed action.
NVIDIA G-SYNC Compatibility
One of the premium gaming features included with the lg b4 oled is NVIDIA G-SYNC compatibility.
Screen tearing occurs when the graphics card and display refresh at different speeds. G-SYNC synchronizes both devices to eliminate visual tearing while keeping gameplay smooth.
Advantages include:
- Stable frame pacing
- Minimal screen tearing
- Smooth camera movement
- Better competitive gaming experience
- Improved visual consistency
Gamers with NVIDIA graphics cards can take full advantage of this feature.
AMD FreeSync Premium
In addition to G-SYNC, the lg b4 oled supports AMD FreeSync Premium.
This technology benefits gamers using AMD graphics cards and compatible consoles by reducing:
- Screen tearing
- Stuttering
- Frame inconsistencies
- Motion artifacts
The result is smoother gameplay regardless of the hardware platform.
HDMI 2.1 Support
HDMI 2.1 unlocks many next-generation gaming features.
Key advantages include:
- 4K at 120Hz
- Variable Refresh Rate (VRR)
- Auto Low Latency Mode (ALLM)
- Enhanced Audio Return Channel (eARC)
- Higher bandwidth
These capabilities ensure the lg b4 oled remains compatible with modern gaming systems and future entertainment devices.
Auto Low Latency Mode
Input lag is critical in competitive gaming.
Auto Low Latency Mode automatically switches the television into Game Mode whenever a gaming device is detected.
Benefits include:
- Faster controller response
- Reduced processing delay
- More accurate gameplay
- Improved reaction time
Players no longer need to manually adjust picture settings every time they begin gaming.
HGiG Support
The lg b4 oled also supports HGiG, a standard designed specifically for HDR gaming.
Rather than applying excessive HDR processing, HGiG allows games to display HDR exactly as developers intended.
Advantages include:
- Better shadow detail
- Improved highlight accuracy
- More realistic lighting
- Consistent HDR performance
Many modern games now include dedicated HGiG calibration options.
Game Optimizer
LG’s Game Optimizer provides a centralized menu where players can quickly access gaming settings.
Without leaving gameplay, users can adjust:
- Black Stabilizer
- VRR settings
- Input lag
- Audio presets
- Genre-specific picture modes
- Refresh rate information
This makes gaming adjustments much simpler than navigating multiple settings menus.
Audio Performance
Picture quality often receives the most attention, but audio is equally important.
The lg b4 oled delivers immersive sound through advanced processing and premium technologies.
Although many users eventually pair the television with a soundbar, the built-in speakers perform well for everyday viewing.
Dolby Atmos
Dolby Atmos creates a three-dimensional soundstage that enhances immersion.
Instead of limiting sound to left and right channels, Atmos places effects around the viewer.
This creates a more cinematic experience during:
- Movies
- TV shows
- Sports
- Video games
- Live concerts
Dialogue remains clear while action scenes gain additional impact.
AI Sound
The α7 Gen 4 processor also improves audio through AI Sound.
It automatically analyzes content and adjusts:
- Dialogue clarity
- Bass response
- Surround effect
- Volume balance
Whether watching news broadcasts or action movies, audio settings adapt automatically.
WiSA Ready
Another premium feature is WiSA compatibility.
WiSA allows compatible wireless speakers to connect without running speaker cables throughout the room.
Benefits include:
- Cleaner installation
- High-quality wireless audio
- Low latency
- Multi-channel surround sound
For users planning a home theater setup, this feature adds flexibility.

Design and Build Quality
The lg b4 oled features a clean, minimalist design that fits well in almost any living room.
Its ultra-thin OLED panel gives the television a premium appearance while reducing visual bulk.
Highlights include:
- Slim bezels
- Thin OLED display
- Modern stand
- Premium finish
- Cable management support
The nearly borderless design helps viewers focus entirely on the content.
Viewing Angles
One of OLED’s greatest strengths is wide viewing angles.
Unlike many LCD televisions, colors remain consistent even when viewed from the side.
This makes the lg b4 oled ideal for:
- Family movie nights
- Large living rooms
- Sports parties
- Group gaming sessions
Everyone enjoys nearly identical picture quality regardless of seating position.
Connectivity Options
Modern entertainment requires flexible connectivity.
The lg b4 oled includes numerous connection options.
HDMI Ports
Multiple HDMI inputs support:
- Gaming consoles
- Blu-ray players
- Streaming devices
- AV receivers
USB Ports
USB connections allow playback from:
- External hard drives
- USB flash drives
- Digital cameras
Wireless Connectivity
Wireless features include:
- Wi-Fi
- Bluetooth
Users can connect wireless headphones, speakers, keyboards, and compatible smart devices.
Smart Home Integration
The lg b4 oled functions as more than just a television.
Using Alexa and Google Assistant, it can control compatible smart home devices.
Examples include:
- Smart lights
- Smart plugs
- Security cameras
- Thermostats
- Smart speakers
Voice commands make everyday tasks more convenient.
Streaming Experience
Streaming remains one of the primary uses for modern televisions.
The lg b4 oled offers smooth access to popular platforms including:
- Netflix
- Disney+
- Prime Video
- Apple TV+
- YouTube
- LG Channels
Fast navigation and responsive menus help reduce waiting time between shows and movies.
LG B4 OLED vs LG C4
Many buyers compare the lg b4 oled with the lg c4 before making a purchase. Both models offer OLED technology and excellent picture quality, but they target slightly different audiences.
| Feature | LG B4 OLED | LG C4 |
|---|---|---|
| OLED Display | Yes | Yes |
| 4K Resolution | Yes | Yes |
| 120Hz Refresh Rate | Yes | Yes |
| HDMI 2.1 | Yes | Yes |
| Gaming Features | Excellent | Excellent |
| Processor | Strong AI Processing | More Advanced AI Processor |
| Peak Brightness | Very Good | Higher |
| Price | More Affordable | Premium |
If your priority is value for money, the lg b4 oled remains an excellent choice. However, users seeking maximum brightness and the latest processing enhancements may prefer the lg c4.
LG OLED C4 Comparison
The lg oled c4 is often positioned as the step above the B-series. It typically includes a more powerful processor, improved brightness management, and enhanced image refinement.
For many households, though, the visual difference is modest during everyday streaming and television viewing. The lg b4 oled continues to deliver exceptional OLED contrast, deep blacks, and impressive gaming performance at a more accessible price.
Is the LG C4 65 Worth the Extra Cost?
The lg c4 65 model is an attractive option for users building a premium home theater. Its larger screen and upgraded processing can enhance HDR content and bright-room performance.
However, if budget is a key consideration, the lg b4 oled offers many of the same core strengths, including OLED picture quality, HDMI 2.1, Dolby Vision IQ, and advanced gaming features, making it an outstanding value.

LG C4 Review Highlights
Reading an review often reveals praise for its brighter panel, refined processor, and premium feature set. Even so, reviewers frequently note that the B-series remains one of the best-value OLED options for users who want cinematic visuals and responsive gaming without paying flagship prices.
Pros of the LG B4 OLED
The lg b4 oled offers numerous strengths that make it one of the best OLED televisions in its price category.
Outstanding Picture Quality
The OLED panel produces:
- Perfect black levels
- Infinite contrast
- Rich colors
- Excellent HDR performance
- Superb detail
Whether you’re watching movies, sports, or documentaries, the image remains consistently impressive.
Excellent Gaming Features
Gamers will appreciate:
- HDMI 2.1
- 120Hz refresh rate
- NVIDIA G-SYNC
- AMD FreeSync Premium
- Auto Low Latency Mode
- Game Optimizer
- HGiG Support
These features make the lg b4 oled suitable for both casual and competitive gaming.
Smart TV Experience
LG’s webOS platform offers:
- Fast navigation
- Personalized recommendations
- Voice search
- Popular streaming apps
- Smart home integration
Premium Build Quality
The television features:
- Ultra-slim OLED panel
- Modern design
- Thin bezels
- High-quality construction
Dolby Vision IQ and Dolby Atmos
Together, these technologies create a cinematic viewing experience with impressive visuals and immersive sound.
Cons of the LG B4 OLED
No television is perfect, and the lg has a few limitations.
Lower Peak Brightness Than Premium Models
Compared with flagship OLED televisions, peak brightness is slightly lower.
Premium Price Compared with LED TVs
Although competitively priced for an OLED television, it still costs more than many standard LED models.
Built-in Audio Is Good but Not Exceptional
While Dolby Atmos improves immersion, dedicated soundbars or home theater systems provide noticeably better audio performance.
Who Should Buy the LG B4 OLED?
The lg is an excellent choice for a wide variety of users.
Movie Lovers
If you enjoy:
- Netflix
- Disney+
- Apple TV+
- Blu-ray movies
OLED picture quality will dramatically improve your viewing experience.
Gamers
Players using:
- Gaming PCs
- Modern consoles
will benefit from HDMI 2.1, VRR, G-SYNC, FreeSync Premium, and low input lag.
Sports Fans
Fast motion handling and vibrant colors make live sports look smooth and detailed.
Families
Its wide viewing angles allow everyone in the room to enjoy consistent picture quality.
Buying Guide
Before purchasing the lg b4 oled, consider the following factors.
Room Size
Choose the screen size based on your viewing distance.
For larger living rooms, a 65-inch model provides an immersive experience.
Lighting Conditions
OLED performs exceptionally well in:
- Dark rooms
- Controlled lighting environments
Bright rooms may benefit from higher brightness settings or premium OLED models.
Gaming Requirements
If gaming is a priority, verify that your console or PC supports HDMI 2.1 to fully utilize the television’s capabilities.
Budget
The lg provides an excellent balance between premium features and overall value.
Installation Tips
To get the best experience:
- Place the TV at eye level.
- Avoid direct sunlight on the screen.
- Use certified HDMI 2.1 cables.
- Connect to high-speed internet for streaming.
- Update the TV firmware regularly.
- Enable Filmmaker Mode for movies.
- Use Game Optimizer for gaming.

Picture Settings Recommendations
For Movies
- Filmmaker Mode
- Dolby Vision IQ
- Warm color temperature
For Gaming
- Game Optimizer
- VRR Enabled
- ALLM Enabled
For Sports
- Standard or Sports Mode
- AI Picture Enabled
For Streaming
- Cinema Home
- AI Brightness Enabled
Maintenance Tips
Proper care helps extend the lifespan of your OLED television.
Recommendations include:
- Keep the screen clean using a microfiber cloth.
- Avoid harsh cleaning chemicals.
- Do not leave static images displayed for extended periods.
- Install firmware updates when available.
- Use built-in OLED panel care features.
LG B4 OLED vs LG C4: Which Should You Buy?
Many buyers hesitate between the lg b4 oled and the lg c4.
Choose the Ig if you want:
- Excellent OLED quality
- Outstanding gaming performance
- Better overall value
- Lower purchase price
Choose the lg c4 if you want:
- Higher brightness
- Newer image processing
- Premium flagship features
- Enhanced HDR performance
Reading multiple lg c4 review articles can help identify whether those additional features justify the extra investment for your needs.
Similarly, buyers considering the lg c4 65 should evaluate their room size, viewing habits, and budget before making a final decision.
Frequently Asked Questions
Is the LG B4 OLED good for gaming?
Yes. The lg b4 oled supports HDMI 2.1, 120Hz, G-SYNC Compatible, FreeSync Premium, ALLM, VRR, and HGiG, making it an excellent gaming television.
Does the LG B4 OLED support Dolby Vision?
Yes.
It supports Dolby Vision IQ, HDR10, and HLG for enhanced HDR performance.
Can I use Alexa without additional hardware?
Yes.
Alexa is built directly into the television.
Does it support Google Assistant?
Yes.
Google Assistant is fully supported for voice commands and smart home control.
Is OLED better than LED?
For most users, yes.
OLED offers:
- Better contrast
- Perfect black levels
- Faster response times
- Wider viewing angles
- Superior HDR performance
Does it work well for movies?
Absolutely.
Its OLED panel, Dolby Vision IQ, Dolby Atmos, and Filmmaker Mode provide an excellent home theater experience.
Is the LG C4 better?
The lg c4 offers improvements in processor performance and brightness. However, the lg b4 oled remains a strong choice for users who prioritize value while still enjoying premium OLED quality.
Final Verdict
The lg b4 oled stands out as one of the most compelling OLED televisions for users seeking premium image quality, advanced gaming features, and a polished smart TV experience at a competitive price. Its OLED panel delivers deep blacks, vibrant colors, and exceptional contrast that elevate movies, sports, and everyday streaming.
Gamers benefit from HDMI 2.1, 120Hz refresh rate, NVIDIA G-SYNC compatibility, AMD FreeSync Premium, Auto Low Latency Mode, and Game Optimizer, ensuring smooth and responsive gameplay. Movie enthusiasts will appreciate Dolby Vision IQ, Dolby Atmos, and Filmmaker Mode, which combine to create a cinematic experience at home.
Although models like the lg c4, lg oled c4, and lg c4 65 provide higher brightness and newer processing technology, the lg b4 oled continues to offer outstanding value. For many households, the difference in everyday viewing is modest, making the B-series an excellent investment.
Whether you are upgrading an older television or entering the world of OLED for the first time, the lg b4 oled is a dependable option that balances performance, features, and affordability. After reading this guide and comparing it with an lg c4 review, you can confidently choose the model that best matches your budget and entertainment needs.
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