Best For
Best for Gaming
LG OLED77C56LB
Better Long-Term Support
LG OLED77C56LB
Best Home Cinema Experience
LG OLED77C56LB
Best Smart TV Features
LG OLED77C56LB
Best Value
LG OLED77C56LB
The LG OLED77C56LB and LG OLED77C5ELB are two premium 77-inch OLED TVs that share nearly identical core specifications, including a 4K OLED panel, α9 AI Processor 4K Gen8, 120Hz native refresh rate, VRR up to 144Hz, Dolby Vision, Dolby Atmos, and extensive gaming features. Both models are designed for home cinema enthusiasts and gamers who want exceptional picture quality and responsive performance. The differences between them are minimal, but the OLED77C56LB offers a few small advantages, including a clearly stated security update support period and slightly broader accessory coverage, making it a more attractive long-term purchase.
Verdict
For most buyers, the LG OLED77C56LB is the better choice because it delivers the same flagship OLED picture quality, gaming performance, smart features, and audio capabilities while providing clearer long-term software support information. The OLED77C5ELB remains an excellent alternative if pricing is significantly lower in your market. However, when prices are similar, the OLED77C56LB is the safer and more future-proof investment.
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| Model No |
OLED77C5ELB |
OLED77C56LB |
| 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 |
|
| 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 |
| HLG |
: Yes |
| HDR10 |
: Yes |
| Dolby Vision |
: Yes |
| AI Picture Pro |
: Yes |
| Filmmaker Mode™ |
: Yes |
| AI Brightness Control |
: Yes |
| Quick Media Switching ( QMS ) |
: Yes |
| OLED 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 |
: α9 AI Processor 4K Gen8 |
| AI Upscaling |
: α9 AI Super Upscaling 4K |
| Refresh Rate |
: 120Hz Native ( VRR 144Hz ) |
| High Frame Rate ( HFR ) |
: 4K 120 Fps ( HDMI, RF, USB ) |
| 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 |
| AI Picture Pro |
: Yes |
| Filmmaker Mode™ |
: Yes |
| AI Brightness Control |
: Yes |
| Quick Media Switching ( QMS ) |
: Yes |
| LED 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 |
: α9 AI Processor 4K Gen8 |
| AI Upscaling |
: α9 AI Super Upscaling 4K |
| Refresh Rate |
: 120Hz Native ( VRR 144Hz ) |
| High Frame Rate ( HFR ) |
: 4K 120 Fps ( HDMI, RF, USB ) |
| 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 |
| WOW Orchestra |
: Yes |
| AI Acoustic Tuning |
: Yes |
| Sound Mode Share |
: Yes |
| Simultaneous Audio Output |
: Yes |
| Speaker System |
: 2.2 Channel |
| Speaker Direction |
: Down Firing |
| Bluetooth Surround Ready |
: Yes ( 2 Way Playback ) |
| Clear Voice Pro |
: Yes ( AI Voice Remastering ) |
| AI Sound |
: α9 AI Sound Pro ( Virtual 11.1.2 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 |
| Dolby Atmos |
: Yes |
| LG Sound Sync |
: Yes |
| WOW Orchestra |
: Yes |
| AI Acoustic Tuning |
: Yes |
| Sound Mode Share |
: Yes |
| Simultaneous Audio Output |
: Yes |
| Speaker System |
: 2.2 Channel |
| Speaker Direction |
: Down Firing |
| Bluetooth Surround Ready |
: Yes ( 2 Way Playback ) |
| Clear Voice Pro |
: Yes ( AI Voice Remastering ) |
| AI Sound |
: α9 AI Sound Pro ( Virtual 11.1.2 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 ( 4 Port )) |
| USB 2.0 |
: 3ea |
| CI Slot |
: 1ea |
| Ethernet / LAN |
: 1ea |
| RF Input ( Antenna / Cable ) |
: 2ea |
| Optical Digital Audio Out ( SPDIF ) |
: 1ea |
| Wi-Fi 6 |
: Yes |
| Bluetooth 5.3 |
: 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 |
: 3ea |
| Ethernet / LAN |
: 1ea |
| RF Input ( Antenna / Cable ) |
: 2ea |
| Optical Digital Audio Out ( SPDIF ) |
: 1ea |
| Wi-Fi 6 |
: Yes |
| Bluetooth 5.3 |
: Yes |
| Simplink ( HDMI CEC ) |
: Yes |
| HDMI Audio Return Channel |
: eARC ( HDMI 2 ) |
| CI Slot |
: 1ea ( Except For UK,Ireland ) |
|
| Smart TV Features |
| Operating System |
: WebOS 25 Smart TV |
| Voice ID |
: Yes |
| Multi View |
: Yes |
| Home Hub |
: Yes |
| AI Chatbot |
: Yes |
| Google Cast |
: Yes |
| LG Channels |
: Yes |
| Always Ready |
: Yes |
| Full Web Browser |
: Yes |
| Google Home, Hub |
: Yes |
| Works With Apple Home |
: Yes |
| USB Camera Compatible |
: Yes |
| Works With Apple Airplay2 |
: Yes |
| Hands-Free Voice Control |
: Yes |
| Intelligent Voice Recognition |
: Yes |
| Magic Remote Control |
: Built-In |
| Smartphone Remote App |
: Yes ( LG ThinQ ) |
| The Security Update Is Supported Until |
: Definable Spec Only in LG.COM |
|
| Operating System |
: WebOS 25 Smart TV |
| Voice ID |
: Yes |
| Multi View |
: Yes |
| Home Hub |
: Yes |
| AI Chatbot |
: Yes |
| Google Cast |
: Yes |
| LG Channels |
: Yes |
| Always Ready |
: Yes |
| Full Web Browser |
: Yes |
| Google Home, Hub |
: Yes |
| Works With Apple Home |
: Yes |
| USB Camera Compatible |
: Yes |
| Works With Apple Airplay |
: Yes |
| Hands-Free Voice Control |
: Yes |
| Intelligent Voice Recognition |
: Yes |
| Magic Remote Control |
: Built-In |
| The Security Update Is Supported Until |
: 31/12/2029 |
| Smartphone Remote App |
: Yes ( LG ThinQ ) |
|
| Other Features |
| Design |
: Ultra Slim Design |
| Gray Scale |
: Yes |
| Invert Colors |
: Yes |
| High Contrast |
: Yes |
| Analog TV Reception |
: Yes |
| Digital TV Reception |
: DVB-T2/T ( Terrestrial ), DVB-C ( Cable ), DVB-S2/S ( Satellite ) |
|
| Design |
: Ultra Slim Design |
| Gray Scale |
: Yes |
| Invert Colors |
: Yes |
| High Contrast |
: Yes |
| Analog TV Reception |
: Yes |
| Digital TV Reception |
: DVB-T2/T ( Terrestrial ), DVB-C ( Cable ), DVB-S2/S ( Satellite ) |
|
| General Details |
| Power Supply |
: AC 100~240V 50-60Hz |
| Power Consumption Standby |
: Under 0.5 W |
| Weight Without Stand |
: 23.5 Kg |
| Weight With Stand |
: 27.1 Kg |
| Packaging Weight |
: 38.5 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 |
: 23.5 Kg |
| Weight With Stand |
: 27.1 Kg |
| Packaging Weight |
: 38.5 Kg |
| VESA Mounting |
: 300 mm X 200 mm |
|
| Supplied Accessories |
| Remote Control |
: Magic Remote MR25GB |
| Power Cable |
: Yes ( TV Attached ) |
|
| Remote Control |
: Magic Remote MR25GA, MR25GB ( UK, Italy ) |
| Power Cable |
: Yes ( TV Attached ) |
|
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Compare LG OLED77C5ELB with:
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Compare LG OLED77C56LB with:
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Frequently Asked Questions
Which product is better for gaming?
Both TVs offer HDMI 2.1, 4K 120Hz gaming, VRR up to 144Hz, FreeSync Premium support, G-Sync compatibility, ALLM, and Dolby Vision Gaming. Gaming performance is essentially identical.
Does Product 1 support Dolby Atmos?
Yes, the LG OLED77C56LB includes Dolby Atmos support along with a 40W 2.2-channel speaker system and AI Sound Pro processing.
Is there any picture quality difference between these TVs?
No significant picture quality difference is listed. Both use a 4K OLED panel, α9 AI Processor 4K Gen8, Dolby Vision, OLED Dynamic Tone Mapping, and advanced AI picture enhancements.
Which TV is better for long-term ownership?
The LG OLED77C56LB has a published security update support period through December 2029, making it a more reassuring choice for long-term ownership.
Do both models support 144Hz VRR?
Yes, both TVs support Variable Refresh Rate up to 144Hz, making them suitable for high-refresh-rate gaming on compatible PCs and consoles.
Should I choose the OLED77C5ELB if it is cheaper?
Yes. Since the feature sets are nearly identical, the OLED77C5ELB can be the better purchase if it is available at a noticeably lower price than the OLED77C56LB.
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