| Model No |
OLED77B4AUA |
OLED77CXPVA |
| TV Type |
Smart TV |
Smart TV |
| Screen Size |
77 Inch (195.58 cm) |
77 Inch (195.58 cm) |
| Resolution |
4K 3840 x 2160 |
4K 3840 x 2160 |
| Aspect Ratio |
16:9 |
16:9 |
| Motion Rate |
120 Hz |
120 Hz |
| Viewing Angle |
178°/178° |
178°/178° |
| USB |
| USB Version |
: 2.0 |
| Supported Audio Formats |
: MP3, AC4, AC3, EAC3, AAC, MP2, PCM, WMA |
| Supported Video Formats |
: MKV, DivX, MP4, AVI, ASF, MOV, FLV |
| Supported Picture Formats |
: JPEG, PNG, BMP, WebP, JPS, MPO |
|
| USB Version |
: 2.0 |
| Supported Audio Formats |
: MP3, AC4, AC3, EAC3, AAC, MP2, PCM, WMA |
| Supported Video Formats |
: MKV, DivX, MP4, AVI, ASF, MOV, FLV |
| Supported Picture Formats |
: JPEG, JPS, MPO |
|
| Video |
| BackLight |
: 4K UHD OLED |
| HLG |
: Yes |
| HDR10 |
: Yes |
| AI Picture |
: Yes |
| Dolby Vision |
: Yes |
| Perfect Black |
: Yes |
| Filmmaker Mode |
: Yes |
| Wide Color Gamut |
: Yes |
| 100% Color Fidelity |
: Yes |
| 100% Color Volume |
: Yes |
| Dynamic Tone Mapping Pro |
: Yes |
| Motion |
: OLED Motion |
| Dimming Technology |
: Pixel Dimming |
| Picture Processor |
: α8 AI Processor 4K |
| Upscaling |
: α8 AI Super Upscaling 4K |
|
| Backlight |
: 4K UHD OLED |
| 2K HFR |
: Yes |
| 4K HFR |
: Yes |
| Filmmaker Mode™ |
: Yes |
| Billion Rich Colors |
: Yes |
| Wide Viewing Angle |
: Yes |
| AI Brightness Control |
: Yes |
| Display Type |
: 4K OLED |
| Upscaler |
: 4K Upscaler |
| AI Upscaling |
: AI Upscaling |
| HDR |
: Cinema HDR |
| Perfect Black |
: Perfect Black |
| Wide Color Gamut |
: Perfect Color |
| HLG |
: Yes ( 4K / 2K ) |
| HDR Effect |
: Yes ( 4K / 2K ) |
| HDR10 Pro |
: Yes ( 4K / 2K ) |
| Dolby Vision |
: Yes ( 4K / 2K ) |
| Dolby Vision IQ |
: Yes ( 4K / 2K ) |
| AI Picture Pro |
: AI Picture Pro |
| Dimming |
: Pixel Dimming |
| Video Decoder AV1 |
: 4K@60P, 10Bit |
| Video Decoder VP9 |
: 4K@60P, 10Bit |
| Video Decoder HEVC |
: 4K@120P, 10Bit |
| Motion Pro |
: OLED Motion Pro |
| Ultra Luminance |
: Ultra Luminance Pro |
| Picture Processor |
: α9 Gen3 AI Processor 4K |
| Image Enhancing |
: Image Enhacing On SQM |
| AI Genre Selection |
: Yes ( SDR / HDR / Dolby HDR ) |
| Face Enhancing |
: AI Picture Pro - Face Enhancing |
| Dynamic Tone Mapping / Pro |
: HDR Dynamic Tone Mapping Pro |
| Picture Mode |
: Yes 10 Modes ( Vivid, Standard, Eco, Cinema, Sports, Game, HDR Effect, Filmmaker, ( ISF ) Expert ( Bright Room ), ( ISF ) Expert ( Dark Room )) |
|
| Audio |
| Audio Output ( RMS ) |
: 20 W |
| WiSA Ready |
: Yes |
| Dolby Atmos |
: Yes |
| LG Sound Sync |
: Yes |
| Sound Mode Share |
: Yes |
| DTS:X ( By-Pass Only ) |
: Yes |
| Bluetooth Surround Ready |
: Yes |
| Speaker Direction |
: Down Firing |
| Speaker System |
: 2.0 Channel |
| Clear Voice Pro |
: Yes ( Auto Volume Leveling ) |
| AI Sound |
: α8 AI Sound Pro ( Virtual 9.1.2 Up-Mix ) |
| Audio Codec |
: AC4, AC3 ( Dolby Digital ), EAC3, HE-AAC, AAC, MP2, MP3, PCM, WMA, apt-X ( Refer To Manual ) |
|
| Audio Output ( RMS ) |
: 40 W ( WF : 20 W, 10 W Per Channel ) |
| Sound Share |
: Yes |
| Dolby Atmos |
: Yes |
| Clear Voice IV |
: Yes |
| LG Sound Sync |
: Yes |
| AI Acoustic Tuning |
: Yes |
| Bluetooth Surround Ready |
: Yes |
| Auto Notification ( Bluetooth Easy Paring ) |
: Yes |
| Speaker System |
: 2.2 Channel |
| Speaker Direction |
: Front Firing |
| AI Sound / Pro |
: AI Sound Pro |
| Surround Mode |
: OLED Surround |
| WiSA Speakers |
: Yes ( WiSA 2.0 Channel ) |
| Simultaneous Audio Output ( Optic and HP Output Jack Output ) |
: Yes ( Optical Output Or HP Support Model ) |
| Audio Codec |
: AC4, AC3 ( Dolby Digital ), EAC3, HE-AAC, AAC, MP2, MP3, PCM, WMA, apt-X ( Refer To Manual ) |
|
| Connectivity Options |
| HDMI ( 2.1 ) |
: 4ea ( Supports 4K 120Hz, eARC, VRR, ALLM, QMS (4 Port )) |
| USB ( 2.0 ) |
: 2ea |
| Ethernet / LAN |
: 1ea |
| RF Input ( Antenna, Cable ) |
: 1ea |
| Wi-Fi 6E |
: Yes |
| Bluetooth® 5.1 |
: Yes |
| HDMI-CEC ( Simplink ) |
: Yes |
| RS-232C Input ( Min Jack ) |
: Yes |
| HDMI Audio Return Channel |
: eARC ( HDMI 3 ) |
|
| HDMI 2.1 |
: 4 ( 1 Rear, 3 Side ) |
| USB 2.0 |
: 3 ( 2 Rear, 1 Side ) |
| Bluetooth 5.0 |
: Yes |
| Simplink ( HDMI CEC ) |
: Yes |
| Ethernet / LAN |
: Yes Rear |
| Headphone Out |
: Yes Rear |
| Optical Digital Audio Out ( SPDIF ) |
: Yes Rear |
| WiFi |
: Yes ( 802.11ac ) |
| Audio Return Channel ( eARC / ARC ) |
: eARC ( HDMI 2 ) |
| RF In |
: 2 ( Rear, RF / Sat ) |
| Composite In ( AV ) |
: Yes ( Rear, Gender Type ) |
| Line Out |
: Yes ( Rear, Headphone Out Common ) |
|
| Smart TV Features |
| Operating System |
: WebOS 24 Smart TV |
| Matter |
: Yes |
| App Store |
: Yes |
| Multi View |
: Yes |
| Home Hub |
: Yes |
| Sports Alert |
: Yes |
| Home Office |
: Yes |
| AI Concierge |
: Yes |
| LG Channels |
: Yes |
| Music Service |
: Yes |
| Always Ready |
: Yes |
| Family Settings |
: Yes |
| Full Web Browser |
: Yes |
| Who. Where. What? |
: Yes |
| Google Cast Built-In |
: Yes |
| Amazon Alexa Built-In |
: Yes |
| Works With Hey Google |
: Yes |
| USB Camera Compatible |
: Yes |
| Works With Apple Home |
: Yes |
| Smartphone Remote App |
: Yes |
| ThinQ® Smart Technology |
: Yes |
| Works With Apple Airplay2 |
: Yes |
| Works With Amazon Alexa |
: Yes |
| Intelligent Voice Recognition |
: Yes |
| Magic Remote Control |
: Included |
| Room To Room Share |
: Yes ( Sender, Receiver ) |
| Content Partners |
: Netflix, Max, Disney+, YouTube, Prime Video, ESPN, Apple TV, Sling TV & More......... |
|
| Operating System |
: WebOS Smart TV |
| CPU |
: Quad |
| DIAL |
: Yes |
| ThinQ |
: Yes |
| LG Store |
: Yes |
| AI Home |
: Yes |
| ThinQ App |
: Yes |
| Art Gallery |
: Yes |
| Hotel Mode |
: Yes |
| Sports Alert |
: Yes |
| Wi-Fi TV On |
: Yes |
| 360° VR Play |
: Yes |
| Music Player |
: Yes |
| Screen Share |
: Yes |
| Quick Access |
: Yes |
| Web Browser |
: Yes |
| Intelligent Edit |
: Yes |
| Speech To Text |
: Yes |
| Music Discovery |
: Yes |
| LG Voice Search |
: Yes |
| Universal Control |
: Yes |
| Home Dashboard |
: Yes |
| TV On With Mobile |
: Yes |
| Mobile Connectivity |
: Yes |
| Network File Browser |
: Yes |
| Auto Device Detection |
: Yes |
| Related Content Search |
: Yes |
| AI Recommendation / AI |
: Yes |
| Bluetooth Low Energy On |
: Yes |
| Remote Voice Recognition |
: Yes |
| Block Access To Harmful Site |
: Yes |
| Intelligent Voice Recognition |
: Yes |
| Magic Remote Control |
: Built-In |
|
| Other Features |
| Design |
: Thin Sleek Design |
| IP Control |
: Yes |
| Country Of Origin |
: Mexico |
| Limited Warranty |
: 1 Year Parts & Labor |
| TV Tuner |
: ATSC1.0 ( Terrestrial ), QAM ( Cable ) |
|
| Design |
: 4K Cinema Screen Design |
| Time Shift |
: Yes |
| HGiG Mode |
: Yes |
| Analog DVR |
: Yes |
| FreeSyncTM |
: Yes |
| EPG ( 8 Days ) |
: Yes |
| Teletext Page |
: Yes |
| Subtitle [ DVB ] |
: Yes |
| Auto Calibration |
: Yes |
| Digital Recording |
: Yes |
| G-Sync Compatible |
: Yes |
| Analog TV Reception |
: Yes |
| Time Machine ( DVR ) |
: Yes |
| Audio Description ( AD ) |
: Yes |
| Teletext (Top / Flof / List ) |
: Yes |
| Data Broadcasting ( Country Spec ) |
: Yes |
| Digital TV Reception ( Terrestrial, Cable, Satellite ) |
: Yes |
| Cable |
: DVB-C |
| Satellite |
: DVB-S2 |
| Terrestrial |
: DVB-T2 |
| Instant Game Response ( VRR / ALLM ) |
: Yes / Yes |
|
| General Details |
| Power Supply |
: AC 120V, 50 / 60Hz |
| Power Consumption |
: 160.6 W |
| Annual Power Consumption |
: 296 kWh/Y |
| Power Consumption Standby |
: Under 0.5 W |
| TV Weight Without Stand |
: 22.90 Kg |
| TV Weight With Stand |
: 23.49 Kg |
| Packaging Weight |
: 34.20 Kg |
| VESA Mounting |
: 300 mm X 200 mm |
|
| Power Supply |
: AC 100 ~240 V 50-60 Hz |
| Standby Power Consumption |
: Under 0.5 W |
| Energy Standard |
: Yes |
| Energy Saving Mode |
: Yes |
| Illuminance Green Sensor |
: Yes |
|
| Supplied Accessories |
| Remote Control |
: Yes |
| E-Manual |
: Yes |
| Power Cable |
: Yes |
| Quick Start Guide |
: Yes |
| Remote Control Batteries |
: Yes |
|
| Remote Control |
: MR20 |
| User Manual |
: Yes |
| Component / AV Gender |
: - / Yes |
| Batteries |
: AA X 2EA |
| Power Cable |
: Yes ( TV Attached ) |
|
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Compare LG OLED77B4AUA with:
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Compare LG OLED77CXPVA with:
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Key Differences
Both TVs come in similar screen sizes, making them suitable for comparable viewing setups and room environments. In general, both TVs cater to modern entertainment needs, including streaming, gaming, and everyday viewing. Audio output differs between the two (40 W ( WF : 20 W, 10 W Per Channel ) vs 20 W), which can influence overall sound clarity and loudness. Both TVs provide decent motion handling, making them suitable for everyday viewing including sports and action content. If you're comparing LG OLED77CXPVA and LG OLED77B4AUA, both models come with modern features and are designed to deliver a solid viewing experience across different use cases. Both TVs come with smart platforms that support popular streaming apps and voice control features. Both TVs offer adequate brightness levels suitable for most indoor lighting conditions. Both models support 4K 3840 x 2160 resolution, ensuring sharp picture quality with detailed visuals for movies, shows, and gaming. Verdict: Both models offer good value, and the better option depends on your specific requirements and viewing preferences.
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