| Model No |
75SM9400PTA |
OLED77C54LA |
| TV Type |
Smart TV |
Smart TV |
| Screen Size |
75 Inch (191 cm) |
77 Inch (195.58 cm) |
| Resolution |
4K 3840 x 2160 |
4K 3840 x 2160 |
| Aspect Ratio |
16:9 |
16:9 |
| Motion Rate |
100 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, 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 |
: Slim LED |
| Digital TV Reception |
: Terrestrial DVB-T2 |
| Wide Color Gamut |
: NanoCell Color Pro |
| Analog TV Reception |
: Yes |
| Billion Rich Color |
: Yes |
| Technicolor Expert Mode ( HDR ) |
: Yes |
| Dolby Vision HDR |
: Yes |
| Advance HDR By Technicolor |
: Yes |
| Professional Game TV |
: Yes |
| HLG |
: Yes |
| HDR 10 Pro |
: Yes |
| HDR Effect |
: Yes |
| AI Brightness |
: Yes |
| AI Picture |
: Yes |
| Object Depth Enhancer |
: Yes |
| HDR Dynamic Tone Mapping |
: Yes |
| True Color Accuracy |
: Yes |
| NanoCell Display™ |
: Yes |
| Ultra Luminance |
: Ultra Luminance Pro |
| Active Noise Reduction |
: Quad Step NR |
| Resolution Upscaler |
: 4K Upscaler |
| HDR |
: 4K Cinema HDR |
| HEVC Codec |
: 4K@120P, 10 bit |
| Color Enhancer |
: Advanced |
| Dimming |
: Full Array Local Dimming Pro |
| Picture Mode |
: Vivid, Standard, Eco, Cinema, Sports, Game, HDR Effect, Technicolor Expert, ( ISF ) Expert ( Bright Room ), ( ISF ) Expert ( Dark Room ) |
|
| 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 )) |
|
| Audio |
| Audio Output ( RMS ) |
: 40 W |
| Speaker System |
: 2.2 Channel Speaker |
| Sub Woofer |
: Yes ( 20 W ) |
| Dolby Digital Decoder |
: Yes |
| DTS Decoder |
: Yes |
| Dolby Atmos |
: Yes |
| Clear Voice III |
: Yes |
| AI Sound |
: Yes |
| AI Acoustic Tuning |
: Yes |
| Optical Sound Sync |
: Yes |
| Wireless Sound Sync ( TV To LG Media Device ) |
: Yes |
| Wireless Sound Sync |
: Yes |
| WiSA Speakers |
: Yes |
| Sound Type |
: Down Firing |
| Bluetooth Audio Playback |
: Yes ( 2 Way Playback ) |
| Surround Sound |
: Dolby Surround / OLED Surround |
| Sound Mode |
: Standard, Cinema, Clear Vioce III, Cricket, Music, Game |
|
| 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 |
: 4 ( 4 Side ) |
| HDMI Version |
: 2.1 |
| USB Ports [ USB 2.0 ] |
: 3 ( 2 Side, 1 Rear ) |
| Bluetooth |
: 5.0 |
| WiFi Direct |
: Yes |
| LAN |
: Yes |
| Composite In ( CVBS + Audio ) |
: Yes |
| RF In |
: Yes ( Rear ) |
| Digital Audio Out ( Optical ) |
: Yes ( Optical ) Rear |
| Headphone out |
: Yes ( Phone Jack Type ) |
| Component In (Y,Pb,Pr + Audio) |
: Yes ( Composite, Component Common ) Rear |
|
| 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 Smart TV |
| Smart TV Platform |
: ThinQ AI |
| CPU / Processor |
: α9 Gen 2 Intelligent |
| ThinQ AI |
: Voice Command & Voice Search |
| Google Assistant |
: Yes |
| Amazon Alexa |
: Yes |
| Conversational AI |
: Yes |
| Launcher ( Recent / Home / My Apps ) |
: Yes |
| Wi-Fi ( Built IN / Optional ) |
: Yes |
| Magic Remote Built IN / Optional |
: Yes |
| Smart Phone Remote Controller ( Remote App ) |
: Yes |
| App Store |
: Yes |
| Cloud Photo & Video |
: Yes |
| Premium Content ( India Specific Apps ) |
: Yes |
| Full Web Browser |
: Yes |
| 360 VR |
: Yes |
| Quick ( 1 Click ) Access |
: Yes |
| Gallery Mode |
: Yes |
| LG Store |
: Yes |
| Mobile Connection Overlay |
: Yes |
| Magic Mobile Connection |
: Yes |
| Home Dashboard |
: Yes |
| Music Player |
: Yes |
| Multi View |
: Yes |
| Apple Air Play |
: Yes |
| Apple Homekit |
: Yes |
| DLNA |
: Yes |
| Miracast™ |
: Yes |
| Share & Control |
: Yes |
| Network File Browser |
: Yes |
| Voice Recognition - Language |
: US English |
| Voice Recognition |
: Yes ( Speech To Text ) |
| Direct Keys ( Apps ) |
: Netflix, Amazon Prime Video |
| Voice Recognition - Usage In |
: Voice Command / Search / Web browsing / SNS |
| AI Functions |
: AI Home, AI Recommendation, Intelligent Edit |
| Magic Remote Modes |
: 4 modes ( Universal Control, Point, Wheel, Voice ) |
|
| 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 ) |
|
| Other Features |
| Smart Energy Saving |
: Yes |
| e-Manual |
: Yes |
| OSD Language |
: 26 |
| Simplink ( HDMI CEC ) |
: Yes |
| External HDD Recording Support |
: Yes |
| Scheduled Recording |
: Yes |
| Time Shift ( On External HDD ) |
: Yes |
| DivX ( SD / HD ) |
: DivX HD |
| Recording Input Modes |
: RF and Composite AV input |
| Subtitle For DivX ( Language ) |
: English, French, Spanish, Portuguese, Italian, Vietnamese, Bulgarian, Russian, Maori, Ukrainian, Kazakh, Thai, Hebrew, Arab, Korean |
|
| 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 ( Voltage, Hz ) |
: AC 100~240V 50-60Hz |
| Power Consumption Standby Mode |
: 0.5 W |
| Set Weight ( Without Stand ) |
: 37.9 Kg |
| Set Weight ( With Stand ) |
: 40.8 Kg |
| Set Weight ( In Carton ) |
: 52.0 Kg |
|
| 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 MR25GA, MR25GB ( UK, Italy ) |
| Power Cable |
: Yes ( TV Attached ) |
|
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Compare LG 75SM9400PTA with:
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Compare LG OLED77C54LA with:
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Both TVs offer adequate brightness levels suitable for most indoor lighting conditions. Both models support 4K 3840 x 2160 resolution, ensuring sharp picture quality with detailed visuals for movies, shows, and gaming. 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. Both TVs come with smart platforms that support popular streaming apps and voice control features. Overall, both models are capable choices in their segment, offering a balance between performance, features, and usability. LG 75SM9400PTA and LG OLED77C54LA offer different motion rates (100 Hz vs 120 Hz), which can impact smoothness during fast-moving scenes like sports and gaming. Both TVs provide standard built-in audio performance suitable for regular usage, though external speakers can enhance the experience. If you're comparing LG 75SM9400PTA and LG OLED77C54LA, both models come with modern features and are designed to deliver a solid viewing experience across different use cases. Verdict: Both models offer good value, and the better option depends on your specific requirements and viewing preferences. Top Differences- Screen Size: 75 Inch (191 cm) Vs 77 Inch (195.58 cm)
- Refresh Rate: 100 Hz Vs 120 Hz
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