| Model No |
OLED55CS3VA |
OLED55B42LA |
| TV Type |
Smart TV |
Smart TV |
| Screen Size |
55 Inch (139 cm) |
55 Inch (139 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 |
: AC4, AC3, EAC3, HE-AAC, AAC, MP2, MP3, PCM, WMA, apt-X |
| Supported Video Formats |
: MKV, DivX, MP4, AVI, ASF, MOV, FLV |
| Supported Picture Formats |
: JPEG, 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, PNG, BMP |
|
| Video |
| BackLight |
: 4K UHD OLED EVO |
| HLG |
: Yes |
| HDR10 |
: Yes |
| Dolby Vision |
: Yes |
| Filmmaker Mode ™ |
: Yes |
| AI Brightness Control |
: Yes |
| Display Type |
: 4K OLED |
| Wide Color Gamut |
: OLED Color |
| Motion |
: OLED Motion |
| AI Picture |
: AI Picture Pro |
| Dimming Technology |
: Pixel Dimming |
| AI Genre Selection |
: Yes ( SDR / HDR ) |
| AI Upscaling |
: AI Super Upscaling 4K |
| High Frame Rate ( HFR ) |
: 4K 120 fps ( HDMI, USB ) |
| Picture Processor |
: α9 AI Processor 4K Gen6 |
| Dynamic Tone Mapping |
: OLED Dynamic Tone Mapping Pro |
| Picture Mode |
: 10 Modes ( Personalized Picture Wizard, Vivid, Standard, Eco, Cinema, Sports, Game, Filmmaker, ( ISF ) Expert ( Bright Room ), ( ISF ) Expert ( Dark Room )) |
|
| Backlight |
: 4K UHD OLED |
| HLG |
: Yes |
| HDR10 |
: Yes |
| Dolby Vision |
: Yes |
| Filmmaker Mode™ |
: Yes |
| AI Brightness Control |
: Yes |
| Dynamic Tone Mapping Pro |
: Yes |
| Wide Color Gamut |
: OLED Colour |
| Motion |
: OLED Motion |
| Dimming Technology |
: Pixel Dimming |
| AI Genre Selection |
: Yes ( SDR / HDR ) |
| Picture Processor |
: α8 AI Processor 4K |
| High Frame Rate ( HFR ) |
: 4K 120 Fps ( HDMI ) |
| AI Upscaling |
: α8 AI Super Upscaling 4K |
| Picture Mode |
: 10 Modes ( Personalized Picture Wizard, Vivid, Standard, Eco, Cinema, Sports, Game, Filmmaker, ( ISF ) Expert ( Bright Room ), ( ISF ) Expert ( Dark Room )) |
|
| Audio |
| Audio Output ( RMS ) |
: 40 W |
| Dolby Atmos |
: Yes |
| LG Sound Sync |
: Yes |
| Clear Voice Pro |
: Yes |
| Sound Mode Share |
: Yes |
| AI Acoustic Tuning |
: Yes |
| Simultaneous Audio Output |
: Yes |
| Speaker Direction |
: Down Firing |
| Speaker System |
: 2.2 Channel |
| Bluetooth Surround Ready |
: Yes ( 2 Way Playback ) |
| WiSA Ready |
: Yes ( Up To 2.1 Channel ) |
| AI Sound |
: 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 ) |
: 20 W |
| LG Sound Sync |
: Yes |
| Dolby Atmos |
: Yes |
| AI Acoustic Tuning |
: Yes |
| Sound Mode Share |
: Yes |
| Simultaneous Audio Output |
: Yes |
| Speaker System |
: 2.0 Channel |
| Speaker Direction |
: Down Firing |
| Bluetooth Surround Ready |
: Yes ( 2 Way Playback ) |
| WiSA Ready |
: Yes ( Up To 2.1 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 ) |
|
| Connectivity Options |
| HDMI ( 2.1 ) |
: 4ea ( Supports 4K 120Hz, eARC, VRR, ALLM, QMS As Specified In HDMI 2.1 ( 4 Port )) |
| USB ( 2.0 ) |
: 3ea |
| Ethernet / LAN |
: 1ea |
| RF Input ( Antenna / Cable ) |
: 2ea |
| SPDIF ( Optical Digital Audio Out ) |
: 1ea |
| Wi-Fi 5 |
: Yes |
| Bluetooth 5.0 |
: Yes |
| Simplink ( HDMI CEC ) |
: Yes |
| HDMI Audio Return Channel |
: eARC ( HDMI 2 ) |
|
| HDMI 2.1 |
: 4ea ( Supports 4K 120Hz, eARC, VRR, ALLM, QMS ( 4 Port )) |
| USB 2.0 |
: 2ea |
| CI Slot |
: 1ea |
| Ethernet / LAN |
: 1ea |
| RF Input ( Antenna / Cable ) |
: 2ea |
| Optical Digital Audio Out ( SPDIF ) |
: 1ea |
| Wi-Fi 5 |
: Yes |
| Bluetooth 5.1 |
: Yes |
| Simplink ( HDMI CEC ) |
: Yes |
| HDMI Audio Return Channel |
: eARC ( HDMI 3 ) |
|
| Smart TV Features |
| Operating System |
: webOS 23 |
| ThinQ |
: Yes |
| Multi View |
: Yes |
| Art Gallery |
: Yes |
| Sports Alert |
: Yes |
| Always Ready |
: Yes |
| Family Settings |
: Yes |
| Full Web Browser |
: Yes |
| USB Camera Compatible |
: Yes |
| Hands-Free Voice Control |
: Yes |
| Magic Remote Control |
: Built-In |
| Smartphone Remote App |
: Yes ( LG ThinQ ) |
| Room To Room Share |
: Yes ( Sender / Receiver ) |
| Amazon Alexa |
: Yes ( Built-In, English Only ) |
| Intelligent Voice Recognition |
: Yes ( Arabic / Hebrew / Turkiyish ) |
|
| Operating System |
: WebOS 24 Smart TV |
| ThinQ |
: Yes |
| Multi View |
: Yes |
| LG Channels |
: Yes |
| Always Ready |
: Yes |
| Family Settings |
: Yes |
| Full Web Browser |
: Yes |
| USB Camera Compatible |
: Yes |
| Works With Apple Airplay2 |
: Yes |
| Intelligent Voice Recognition |
: Yes |
| Amazon Alexa |
: Built-in |
| Magic Remote Control |
: Built-In |
| The Security Update Is Supported Until |
: 31/12/2028 |
| Smartphone Remote App |
: Yes ( LG ThinQ ) |
|
| Other Features |
| Design |
: Wall Design |
| HGIG Mode |
: Yes |
| Gray Scale |
: Yes |
| Invert Colors |
: Yes |
| High Contrast |
: Yes |
| FreeSync Compatible ( AMD ) |
: Yes |
| Variable Refresh Rate ( VRR ) |
: Yes |
| G-Sync Compatible ( Nvidia ) |
: Yes |
| Auto Low Latency Mode ( ALLM ) |
: Yes |
| Game Optimizer |
: Yes ( Game Dashboard ) |
|
| Design |
: Slimeline Design |
| Gray Scale |
: Yes |
| Invert Colors |
: Yes |
| High Contrast |
: Yes |
|
| General Details |
| Power Supply ( Voltage, Hz ) |
: AC 100~240V 50-60Hz |
| Power Consumption Standby |
: Under 0.5 W |
| TV Weight Without Stand |
: 18.9 Kg |
| TV Weight With Stand |
: 19.9 Kg |
| Packaging Weight |
: 25.5 Kg |
| VESA Mounting |
: 300 mm X 200 mm |
|
| Power Supply |
: AC 100~240V 50-60Hz |
| Power Consumption Standby |
: Under 0.5 W |
| Weight Without Stand |
: 14.3 Kg |
| Weight With Stand |
: 14.5 Kg |
| Packaging Weight |
: 19.5 Kg |
| VESA Mounting |
: 300 mm X 200 mm |
|
| Supplied Accessories |
| Remote Control |
: Magic Remote Control |
| AA X 2EA Batteries |
: Yes |
| IR Blaster Cable |
: Yes |
| Power Cable Attached |
: Yes |
|
| Remote Control |
: Magic Remote MR24 With NFC |
| Power Cable |
: Yes ( Attached ) |
| AA X 2 Batteries |
: Yes |
|
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Compare LG OLED55CS3VA with:
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Compare LG OLED55B42LA with:
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Key Differences
Both models support 4K 3840 x 2160 resolution, ensuring sharp picture quality with detailed visuals for movies, shows, and gaming. Both TVs provide decent motion handling, making them suitable for everyday viewing including sports and action content. Audio output differs between the two (40 W vs 20 W), which can influence overall sound clarity and loudness. 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. If you're comparing LG OLED55CS3VA and LG OLED55B42LA, both models come with modern features and are designed to deliver a solid viewing experience across different use cases. Both TVs come in similar screen sizes, making them suitable for comparable viewing setups and room environments. Overall, both models are capable choices in their segment, offering a balance between performance, features, and usability. Verdict: Both models offer good value, and the better option depends on your specific requirements and viewing preferences.
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