| Model No |
OLED77C54LA |
75QNED99TUA |
| TV Type |
Smart TV |
Smart TV |
| Screen Size |
77 Inch (195.58 cm) |
75 Inch (191 cm) |
| Resolution |
4K 3840 x 2160 |
8K 7680 x 4320 |
| 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 |
: 3.0, 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 |
|
| Video |
| Backlight |
: 4K UHD OLED |
| HLG |
: Yes |
| HDR10 |
: Yes |
| Dolby Vision |
: Yes |
| AI Picture Pro |
: Yes |
| Auto Calibration |
: 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 |
: 8K UHD QNED MINI LED |
| HLG |
: Yes |
| HDR10 |
: Yes |
| AI Picture |
: Yes |
| Dolby Vision |
: Yes |
| Filmmaker Mode |
: Yes |
| 100% Color Volume |
: Yes |
| Dynamic Tone Mapping |
: Yes |
| Motion |
: Motion Pro |
| Wide Color Gamut |
: QNED Color Pro |
| Dimming Technology |
: Precision Dimming Pro+ |
| Picture Processor |
: α9 AI Processor 8K Gen7 |
| AI Upscaling |
: α9 AI Super Upscaling 8K |
|
| 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 ) |
: 60 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 |
: 4.2 Channel |
| Clear Voice Pro |
: Yes ( Auto Volume Leveling ) |
| AI Sound |
: α9 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 ( 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 ) |
|
| HDMI ( 2.1 ) |
: 4ea ( Supports 4K 120Hz, eARC, VRR, ALLM, QMS ( 4 Port )) |
| USB ( 3.0 + 2.0 ) |
: 3ea ( USB3.0 X 1, USB2.0 X 2 ) |
| Ethernet / LAN |
: 1ea |
| RF Input ( Antenna, Cable ) |
: 1ea |
| Optical Digital Audio Out ( SPDIF ) |
: 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 2 ) |
|
| 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 |
| The Security Update Is Supported Until |
: 31/12/2029 |
| Smartphone Remote App |
: Yes ( LG ThinQ ) |
|
| 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 |
| Works With Apple Airplay2 |
: Yes |
| Hands-Free Voice Control |
: Yes |
| Works With Amazon Alexa |
: Yes |
| ThinQ® Smart Technology |
: 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......... |
|
| 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 |
: Slim Screen Design |
| IP Control |
: Yes |
| Country Of Origin |
: Mexico |
| Limited Warranty |
: 1 Year Parts & Labor |
| TV Tuner |
: ATSC1.0 ( Terrestrial ), QAM ( Cable ) |
|
| 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 120V, 50 / 60Hz |
| Power Consumption |
: 265 W |
| Annual Power Consumption |
: 486 kWh/Y |
| Power Consumption Standby |
: Under 0.5 W |
| TV Weight Without Stand |
: 38.01 Kg |
| TV Weight With Stand |
: 39.00 Kg |
| Packaging Weight |
: 48.89 Kg |
| VESA Mounting |
: 400 mm X 400 mm |
|
| Supplied Accessories |
| Remote Control |
: Magic Remote MR25GA, MR25GB ( UK, Italy ) |
| Power Cable |
: Yes ( TV Attached ) |
|
| Remote Control |
: Yes |
| E-Manual |
: Yes |
| Power Cable |
: Yes |
| Quick Start Guide |
: Yes |
| Remote Control Batteries |
: Yes |
|
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Compare LG OLED77C54LA with:
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Compare LG 75QNED99TUA with:
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Overall, both models are capable choices in their segment, offering a balance between performance, features, and usability. Both TVs come with smart platforms that support popular streaming apps and voice control features. There is a difference in screen size (75 Inch (191 cm) vs 77 Inch (195.58 cm)), and a larger screen generally provides a more immersive viewing experience. Audio output differs between the two (60 W vs 40 W), which can influence overall sound clarity and loudness. LG 75QNED99TUA and LG OLED77C54LA differ in resolution (8K 7680 x 4320 vs 4K 3840 x 2160), which can affect overall clarity and sharpness of the display. LG 75QNED99TUA and LG OLED77C54LA are well-equipped smart TVs that aim to provide a balance of picture quality, performance, and smart capabilities. Both TVs offer adequate brightness levels suitable for most indoor lighting conditions. Both TVs provide decent motion handling, making them suitable for everyday viewing including sports and action content. Verdict: Both TVs are strong contenders, and your final choice should depend on your preference for screen size, motion performance, and smart features. Top Differences- Screen Size: 75 Inch (191 cm) Vs 77 Inch (195.58 cm)
- Resolution: 8K 7680 x 4320 Vs 4K 3840 x 2160
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