| Model No |
OLED77C55LA |
75UP7750PTZ |
| TV Type |
Smart TV |
Smart TV |
| Screen Size |
77 Inch (195.58 cm) |
75 Inch (191 cm) |
| Resolution |
4K 3840 x 2160 |
4K 3840 x 2160 |
| Aspect Ratio |
16:9 |
16:9 |
| Motion Rate |
120 Hz |
60 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, JPS, MPO |
|
| 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 |
| Active HDR |
: Yes |
| HDR 10 Pro |
: Yes |
| HLG |
: Yes |
| HDR Dynamic Tone Mapping |
: Yes |
| Filmmaker Mode™ |
: Yes |
| True Color Accuracy |
: Yes |
| Resolution Upscaler |
: 4K Upscaler |
| Active Noise Reduction |
: Double Step NR |
| Color Enhancer |
: Advanced Color enhancer |
| Picture Processor |
: Intelligent Quad Core Processor 4K |
|
| 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 ) |
| WiSA Ready |
: Yes ( Up To 2.1 Channel ) |
| 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 ) |
: 20 W |
| Speaker System |
: 2.0 Channel Speaker |
| Clear Voice III |
: Yes |
| TV Sound Mode Share |
: Yes |
| AI Acoustic Tuning |
: Yes |
| AI Sound Pro / AI Sound |
: AI Sound |
| Speaker Direction |
: Down Firing |
| Bluetooth Audio Playback |
: Yes ( 2 Way Playback ) |
|
| 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 ( 2 Side ) |
| HDMI Version |
: HDMI 2.0 |
| USB Ports [ USB 2.0 ] |
: 1 ( 1 Side ) |
| Bluetooth |
: 5.0 |
| WiFi Direct |
: Yes |
| Simplink ( HDMI CEC ) |
: Yes |
| Mobile Connection Overlay |
: Yes |
| Share & Control |
: Yes |
| LAN |
: Yes ( Rear ) |
| Digital Audio Out ( Optical ) |
: Yes ( Rear ) |
| Headphone out |
: Yes ( Rear ) |
| RF Input |
: 1 ( Rear, RF ) |
| HDMI Audio Return Channel |
: eARC ( HDMI 2 ) |
| Wi-Fi Standard |
: Wi-Fi Certified 802.11ac |
|
| 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 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 ) |
|
| Operating System |
: LG webOS Smart TV |
| LG AI ThinQ™ |
: Yes |
| Amazon Alexa Built-In |
: Yes |
| Google Assistant Built-In |
: Yes |
| AI Brightness Control |
: Yes |
| Intelligent Voice Recognition |
: Yes |
| Home Dashboard |
: Yes |
| LG Content Store |
: Yes |
| Full Web Browser |
: Yes |
| Sports Alert |
: Yes |
| WebOS Home |
: New ( Full Screen ) |
| Apple |
: Apple Airplay 2, Apple HomeKit |
| CPU / Processor |
: Intelligent Quad Core Processor 4K |
| Direct Keys ( Apps ) |
: Netflix, Prime Video, Disney+ Hotstar |
| Magic Remote Control |
: Yes ( Universal Control, Point, Click, Scroll, Voice ) |
| AI Functions |
: AI UX, AI Home, AI Recommendation, Intelligent Edit, Conversational AI |
|
| 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 ) |
|
| Professional Game TV |
: Yes |
| HGIG Mode |
: Yes |
| Game Optimizer |
: Yes |
| ALLM ( Auto Low Latency Mode ) |
: Yes |
|
| 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 ( Voltage, Hz ) |
: AC 100~240V 50-60Hz |
| Power Consumption Standby Mode |
: Under 0.5 W |
| Set Weight ( Without Stand ) |
: 31.4 Kg |
| Set Weight ( With Stand ) |
: 32.1 Kg |
| Set Weight ( In Carton ) |
: 41.0 Kg |
|
| Supplied Accessories |
| Remote Control |
: Magic Remote MR25GA, MR25GB ( UK, Italy ) |
| Power Cable |
: Yes ( TV Attached ) |
|
| Magic Remote Control |
: Yes MR21 |
| Remote Control Batteries |
: Yes |
| E-manual |
: Yes |
| User Manual |
: Yes |
|
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Compare LG OLED77C55LA with:
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Compare LG 75UP7750PTZ with:
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Key Differences
LG 75UP7750PTZ and LG OLED77C55LA are well-equipped smart TVs that aim to provide a balance of picture quality, performance, and smart capabilities. Both models support 4K 3840 x 2160 resolution, ensuring sharp picture quality with detailed visuals for movies, shows, and gaming. Audio output differs between the two (20 W vs 40 W), which can influence overall sound clarity and loudness. 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. In general, both TVs cater to modern entertainment needs, including streaming, gaming, and everyday viewing. Both TVs offer adequate brightness levels suitable for most indoor lighting conditions. LG 75UP7750PTZ and LG OLED77C55LA offer different motion rates (60 Hz vs 120 Hz), which can impact smoothness during fast-moving scenes like sports and gaming. Both TVs come with smart platforms that support popular streaming apps and voice control features. Verdict: Both models offer good value, and the better option depends on your specific requirements and viewing preferences.
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