Next-level visual detail with the brilliant alpha 9 AI Processor Gen8
LG 77" OLED evo AI C5 4K Smart TV 2025 | OLED77C54LA.AEK
Cheaper elsewhere? Our Pricematch Promise
Key Features
- 4K picture quality, upscaled visual and surround sound from the alpha 9 AI Processor Gen8
- True black levels in every pixel create stunning contrast, depth, and detail
- 100% Colour Fidelity for accurate lifelike colours. 100% Colour Volume for richer hues
- Brighter visuals from the new light boosting algorithm of Brightness Booster
- New AI button, voice controls, drag and drop functions on the AI Magic Remote
Our processor's AI engine analyzes and upscales every frame in detail. By recognizing faces, it delivers not only 4K visual quality, but enhanced facial expressions and depth.
*Compared to the same year entry level Smart TV alpha 7 AI Processor Gen8 based on internal spec comparison.
Brighter visuals with Brightness Booster
The alpha 9 AI Processor Gen8 and our new light boosting algorithm deliver brighter visuals.
*Brightness may vary based on model, screen size, and market region.
Perfect Black & Colour whether it's bright or dark, only with LG OLED TV
Perfect Black is UL-verified and delivers true black levels to enhance perceived brightness and contrast. Also has earned UL eyesafe verification for a more comfortable watching experience by reducing blue light emissions.

*LG OLED Display is verified by UL and Perfect Black measured to IDMS 11.5 Ring-light Reflection, based on typical indoor lighting environment (200 lux to 500 lux).
*Actual performance may vary depending on the ambient lighting and viewing environment.
*LG OLED Display is verified by UL for Perfect Colour measured to IDMS 11.5 Ring-light Reflection standards.
*LG OLED TV displays have been certified as Circadian Performance Factor by eyesafe®
*Screen images simulated for illustrative purposes.
Perfect Colour
100% Colour Volume and 100% Colour Fidelity certified. Enjoy accurate, vibrant colours even in sunlight or dark environments.

*'100% Colour Fidelity' and '100% Colour Volume to DCI-P3' applies to 2025 OLED TVs.
*LG OLED Display is verified by UL for Perfect Colour measured to IDMS 11.5 Ring-light Reflection standards.
*The LG OLED Display is certified by Intertek for 100% Colour Fidelity, measured according to the CIE DE2000 standard with 125 colour patterns.
*Display Colour Gamut Volume (CGV) is equivalent or exceeds the CGV of the DCI-P3 colour space as verified independently by Intertek.
Technical Specifications:
PICTURE (DISPLAY)
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Display Type: 4K OLED
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Display Resolution: 4K Ultra HD (3,840 x 2,160)
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Refresh Rate: 120Hz Native (VRR 144Hz)
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Wide Colour Gamut: OLED Colour
PICTURE (PROCESSING)
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AI Genre Selection: Yes (SDR/HDR)
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AI Brightness Control: Yes
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Picture Processor: α9 AI Processor 4K Gen8
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HDR (High Dynamic Range): Dolby Vision / HDR10 / HLG
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AI Upscaling: α9 AI Super Upscaling 4K
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FILMMAKER MODE™: Yes
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Dynamic Tone Mapping: Yes (OLED Dynamic Tone Mapping Pro)
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HFR (High Frame Rate): 4K 120 fps (HDMI, RF, USB)
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Picture Mode: 10 modes
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Dimming Technology: Pixel Dimming
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Motion: OLED Motion
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AI Picture Pro: Yes
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Auto Calibration: Yes
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QMS (Quick Media Switching): Yes
GAMING
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FreeSync Compatible (AMD): Yes
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HGIG Mode: Yes
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Game Optimiser: Yes (Game Dashboard)
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ALLM (Auto Low Latency Mode): Yes
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VRR (Variable Refresh Rate): Yes (Up to 144Hz)
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G-Sync Compatible (Nvidia): Yes
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Dolby Vision for Gaming (4K 120Hz): Yes
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Response Time:Less than 0.1ms
SMART TV
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Operating System (OS): webOS 25
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USB Camera Compatible: Yes
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Works with Apple Airplay2: Yes
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AI Chatbot: Yes
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Always Ready: Yes
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Full Web Browser: Yes
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Google Cast: Yes
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Google Home / Hub: Yes
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Hands-free Voice Control: Yes
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Home Hub: Yes
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Intelligent Voice Recognition: Yes
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LG Channels: Yes
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Magic Remote Control: Built-In
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Multi View: Yes
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Smartphone Remote App: Yes (LG ThinQ)
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The security update is supported until: Definable Spec Only in LG.COM
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Voice ID: Yes
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Works with Apple Home: Yes
AUDIO
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LG Sound Sync: Yes
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Sound Mode Share: Yes
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Simultaneous Audio Output: Yes
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Bluetooth Surround Ready: Yes (2 Way Playback)
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Dolby Atmos: Yes
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AI Sound: α9 AI Sound Pro (Virtual 11.1.2 Up-mix)
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Clear Voice Pro: Yes (AI Voice Remastering)
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Audio Output: 40W
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AI Acoustic Tuning: Yes
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Audio Codec: AC4, AC3(Dolby Digital), EAC3, HE-AAC, AAC, MP2, MP3, PCM, WMA, apt-X (Refer to manual)
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Speaker Direction: Down Firing
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Speaker System: 2.2 channel
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WOW Orchestra: Yes
CONNECTIVITY
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SPDIF (Optical Digital Audio Out): 1ea
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Simplink (HDMI CEC): Yes
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HDMI Audio Return Channel: eARC (HDMI 2)
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Bluetooth Support: Yes (v 5.3)
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Ethernet Input: 1ea
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HDMI Input: 4ea (supports 4K 120Hz, eARC, VRR, ALLM, QMS (4 port))
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CI Slot: 1ea (Except for UK,Ireland)
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RF Input (Antenna/Cable): x2
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USB Input: x3 (v 2.0)
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Wi-Fi: Yes (Wi-Fi 6)
ACCESSIBILITY
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High Contrast: Yes
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Gray Scale: Yes
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Invert Colors: Yes
DIMENSIONS AND WEIGHTS
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TV Dimensions without Stand (WxHxD): 1711 x 982 x 47.1
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Packaging Dimensions (WxHxD): 1879 x 1130 x 228
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Packaging Weight (kg): 38.5
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TV Dimensions with Stand (WxHxD): 1711 x 1035 x 267
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TV Stand (WxD): 520 x 267
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TV Weight without Stand: 23.5
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TV Weight with Stand: 27.1
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VESA Mounting (WxH): 300 x 200