| Model No |
75SM9400PTA |
QN75QN90AAFXZC |
| TV Type |
Smart TV |
Smart TV |
| Screen Size |
75 Inch (191 cm) |
75 Inch (191 cm) |
| Resolution |
4K 3840 x 2160 |
4K 3840 x 2160 |
| Aspect Ratio |
16:9 |
16:9 |
| Motion Rate |
100 Hz |
240 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, FLAC, OGG, WMA, WAV, MIDI, APE, AIFF, ALAC, M4A, MPA, AAC, SVAF, WEBM, RMVB |
| Supported Video Formats |
: AVI, MKV, MP4, ASF, MOV, 3GP, FLV, VRO, VOB, SVI |
| Supported Picture Formats |
: JPG, JPEG, PNG, BMP, MPO |
|
| 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 |
: Neo QLED |
| Film Mode |
: Yes |
| HDR10+ Certified |
: Yes |
| Adaptive Picture |
: Yes |
| AI Upscale |
: Yes |
| Filmmaker Mode ( FMM ) |
: Yes |
| HDR |
: Quantum HDR 32x |
| Viewing Angle |
: Ultra Viewing Angle |
| Color |
: 100% Color Volume |
| Micro Dimming |
: Ultimate UHD Dimming |
| Picture Engine |
: Neo Quantum Processor 4K |
| Contrast |
: Quantum Matrix Technology |
|
| 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 |
|
| Sound Output ( RMS ) |
: 60 W |
| Dolby Digital Plus |
: Yes |
| Dolby Decoder |
: Yes |
| Dolby 5.1 Decoder |
: Yes |
| Object Tracking Sound OTS+ |
: Yes |
| Q-Symphony |
: Yes |
| Active Voice Amplifier |
: Yes |
| Speaker Type |
: 4.2.2 Channel |
|
| 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 |
: 4 |
| USB |
: 2 |
| Bluetooth 4.2 |
: Yes |
| Ethernet / LAN |
: Yes |
| Digital Audio Out ( Optical ) |
: Yes |
| HDMI A / Return Ch. Support |
: Yes |
| Wireless LAN Built-In WiFi5 |
: Yes |
| HDMI Quick Switch |
: Yes |
| eARC |
: Yes |
| Ex-Link ( RS-232C ) |
: Yes |
| RF In ( Terrestrial / Cable Input / Satellite Input ) |
: 1/1 ( Common Use For Terrestrial ) / 0 |
|
| 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 |
: Tizen™ |
| Works With Alexa |
: Yes |
| Alexa Built-In |
: Yes |
| Works With Google Assistant |
: Yes |
| Google Assistant Built-In |
: Yes |
| Samsung Health |
: Yes |
| TV Plus |
: Yes |
| Digital Butler |
: Yes |
| Ambient Mode+ |
: Yes |
| TV To Mobile - Mirroring |
: Yes |
| Multi Voice Assistant |
: Yes |
| Far-Field Voice Interaction |
: Yes |
| Analog Tuner |
: Yes |
| IPv6 Support |
: Yes |
| Multi-View |
: Yes |
| Digital Broadcasting |
: ATSC/ClearQAM |
| Freesync |
: FreeSync Premium Pro |
| Bixby |
: US English, UK English, India English, Korean, French, German, Italian, Spanish, BR Portuguese ( Features Vary By Language ) |
|
| 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 |
: Solid Slim |
| Stand Colour |
: Sand Black |
| Front Color |
: Titan Black |
| Bezel Type |
: 4 Bezel-Less |
| Stand Type |
: Bending Plate |
|
| 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 Requirements |
: AC 110-120 V 50/60 Hz |
| Maximum Power Consumption |
: 290 W |
| Typical Power Consumption |
: 110 W |
| Power Consumption Standby |
: 0.5 W |
| Eco Sensor |
: Yes |
| Weight Without Stand |
: 35.0 Kg |
| Weight With Stand |
: 44.8 Kg |
| Weight Of Package Carton |
: 55.0 Kg |
|
| Supplied Accessories |
|
| Remote Control |
: TM2180E |
| Samsung Smart Control |
: Yes |
| User Manual |
: Yes |
| E-Manual |
: Yes |
| Power Cable |
: Yes |
| VESA Wall Mount Support |
: Yes |
|
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Compare LG 75SM9400PTA with:
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Compare Samsung QN75QN90AAFXZC with:
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Key Differences
LG 75SM9400PTA and Samsung QN75QN90AAFXZC 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 standard built-in audio performance suitable for regular usage, though external speakers can enhance the experience. Both TVs come with smart platforms that support popular streaming apps and voice control features. Both TVs come in similar screen sizes, making them suitable for comparable viewing setups and room environments. Both models support 4K 3840 x 2160 resolution, ensuring sharp picture quality with detailed visuals for movies, shows, and gaming. LG 75SM9400PTA and Samsung QN75QN90AAFXZC offer different motion rates (100 Hz vs 240 Hz), which can impact smoothness during fast-moving scenes like sports and gaming. Overall, both models are capable choices in their segment, offering a balance between performance, features, and usability. Verdict: Both TVs are strong contenders, and your final choice should depend on your preference for screen size, motion performance, and smart features.
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