| Model No |
QN75LST7TAFXZC |
QA77S90DAELXL |
| 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 |
120 Hz |
144 Hz |
| Viewing Angle |
178°/178° |
178°/178° |
| USB |
| 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 |
|
| USB Version |
: 2.0 |
| Supported Audio Formats |
: MP3, FLAC, OGG, WMA, WAV, MIDI, APE, AIFF, ALAC, M4A, MPA, AAC |
| Supported Video Formats |
: AVI, MKV, MP4, ASF, MOV, 3GP, FLV, VRO, VOB, SVI |
| Supported Picture Formats |
: JPG, JPEG, PNG, BMP, MPO |
|
| Video |
| Backlight |
: 4K QLED |
| HLG |
: Yes |
| HDR |
: Yes |
| Film Mode |
: Yes |
| AI Upscale |
: Yes |
| Anti Reflection |
: Yes |
| Adaptive Picture |
: Yes |
| Filmmaker Mode |
: Yes |
| Auto Motion Plus |
: Yes |
| Contrast Enhancer |
: Yes |
| Compatible With HDR 10+ |
: Yes |
| Brightness |
: 2000 Nit Typical |
| Viewing Angle |
: Wide Viewing Angle |
| Contrast |
: Direct Full Array 16X |
| Picture Engine |
: Quantum Processor 4K |
| Brigtness, Colour Detection |
: Brigtness, Colour Detection |
| Micro Dimming |
: Ultimate UHD Dimming Pro |
| Color |
: Colour Volume 100% By Quantum Dot |
|
| Backlight |
: 4K UHD OLED |
| HLG |
: Yes |
| Film Mode |
: Yes |
| Anti Reflection |
: Yes |
| Filmmaker Mode |
: Yes |
| Smart Calibration |
: Basic |
| HDR |
: OLED HDR+ |
| AI Upscale |
: 4K AI Upscaling |
| Viewing Angle |
: Ultra Viewing Angle |
| Contrast Enhancer |
: Real Depth Enhancer |
| Contrast |
: Self-illuminating Pixels |
| Picture Engine |
: NQ4 AI Gen2 Processor |
| HDR 10+ |
: Yes ( Adaptive / Gaming ) |
| Motion Technology |
: Motion Xcelerator 144Hz |
| Color |
: Perceptional Color Mapping |
|
| Audio |
| Sound Output ( RMS ) |
: 20 W |
| Multiroom Link |
: Yes |
| Dolby Decoder |
: Yes |
| Adaptive Sound |
: Yes |
| Bluetooth Audio |
: Yes |
| Sound Mirroring |
: Yes |
| Dialog Enhancement |
: Yes |
| Speaker Type |
: 2 Channel |
|
| Sound Output ( RMS ) |
: 40 W |
| Dolby Atmos |
: Yes |
| Q-Symphony |
: Yes |
| Blutooth Audio |
: Yes |
| Adaptive Sound Pro |
: Yes |
| Active Voice Amplifier |
: Yes |
| Object Tracking Sound |
: OTS Lite |
| Speaker Type |
: 2.1 Channel |
|
| Connectivity Options |
| HDMI |
: 3 |
| USB 2.0 |
: 1 |
| eARC |
: Yes |
| WiFi5 |
: Yes |
| WiFi Direct |
: Yes |
| HD BaseT In |
: Yes |
| Bluetooth 4.2 |
: Yes |
| Ethernet / LAN |
: Yes |
| Ex-Link ( RS-232C ) |
: Yes |
| HDMI Quick Switch |
: Yes |
| Audio Out ( Mini Jack ) |
: Yes |
| Anynet+ ( HDMI-CEC ) |
: Yes |
| Bluetooth Low Energy |
: Yes |
| Digital Audio Out ( Optical ) |
: Yes |
| HDMI A / Return Ch. Support |
: Yes ( ARC, eARC ) |
| RF In ( Terrestrial / Cable input / Satellite Input) |
: 1 / 1 ( Common Use For Terrestrial ) / 0 |
|
| HDMI 2.1 |
: 4 |
| USB-A 2.0 |
: 2 |
| Wi-Fi 5 |
: Yes |
| Bluetooth 5.2 |
: Yes |
| Ethernet / LAN |
: Yes |
| Anynet+ ( HDMI-CEC ) |
: Yes |
| Digital Audio Out ( Optical ) |
: Yes |
| HDMI Audio Return Channel |
: eARC |
| RF In ( Terrestrial / Cable Input / Satellite Input ) |
: 1 / 1 ( Common Use For Terrestrial ) / 1 |
|
| Smart TV Features |
| Operating System |
: Tizen™ |
| Gallery |
: Yes |
| Tap View |
: Yes |
| Multi-View |
: Yes |
| Digital Butler |
: Yes |
| Alexa Built-In |
: Yes |
| Web Browser |
: Yes |
| Remote Access |
: Yes |
| Universal Guide |
: Yes |
| Ambient Mode+ |
: Yes |
| 360 Video Player |
: Yes |
| Samsung TV Plus |
: Yes |
| Works With Alexa |
: Yes |
| Samsung SMART TV |
: Yes |
| TV Sound To Mobile |
: Yes |
| TV To Mobile - Mirroring |
: Yes |
| Smart Things App Support |
: Yes |
| Mobile To TV - Mirroring, DLNA |
: Yes |
| SmartThings Hub / Matter Hub / IoT-Sensor Funtionality |
: Yes |
| Bixby |
: US English, UK English, India English, Korean, French, German, Italian, Spanish ( Features Vary By Language ) |
|
| Operating System |
: Tizen™ Smart TV |
| Bixby |
: Yes |
| Easy Setup |
: Yes |
| Media Home |
: Yes |
| Smart Things |
: Yes |
| Web Browser |
: Yes |
| Ambient Mode+ |
: Yes |
| Far-Field Voice Interaction |
: Yes |
| Multi-View |
: Up To 2 Videos |
| Built-in Voice Assistant |
: Alexa ( IN Only ) |
| S-Share |
: Yes ( India Only ) |
| Samsung TV Plus |
: Yes ( India Only ) |
| Works With AI Speaker |
: Alexa ( IN Only ), Google Assistant ( IN Only ) |
| Multi Device Experience |
: TV To Mobile, Mobile To TV, TV Initiate Mirroring, Sound Mirroring, Wireless TV On, Tap View |
|
| Other Features |
| Design |
: Solid Metal Design |
| Front Color |
: TItan Black |
| Slim Type |
: Normal |
| Bezel Type |
: SNB |
| EPG |
: Yes |
| V-Chip |
: Yes |
| IP Control |
: Yes |
| Analog Tuner |
: Yes |
| IPv6 Support |
: Yes |
| BT HID Built-In |
: Yes |
| USB HID Support |
: Yes |
| Digital Clean View |
: Yes |
| Caption ( Subtitle ) |
: Yes |
| IR In ( Pass Through ) |
: Yes |
| Auto Channel Search |
: Yes |
| Connect Share™ ( HDD ) |
: Yes |
| ConnectShare™ ( USB 2.0 ) |
: Yes |
| Water / Dust Proof ( Durability ) |
: IP55 |
| Accessibillity - Voice Guide |
: US English |
| Learn TV Remote / Learn Menu Screen |
: US English |
| Digital Broadcasting |
: ATSC / ClearQAM |
| OSD Language |
: English, Spanish, French |
| Accessibility - Others |
: Enlgarge, High Contrast, Multi-Output Audio, SeeColors, Negative Colors, Grayscale, Caption Moving, Sign Language Zoom, Slow Button Repeat, Auto Detection For Sign |
|
| Design |
: Laser Slim Design |
| Stand Type |
: Simple Plus Blade |
| Front Color |
: Graphite Black |
| Bezel Type |
: 4 Bezel-Less |
| Stand Colour |
: Space Titan |
| Slim Type |
: Top Slim |
| EPG |
: Yes |
| HGiG |
: Yes |
| Analog Tuner |
: Yes |
| MBR Support |
: Yes |
| Extended PVR |
: Yes |
| Teletext ( TTX ) |
: Yes |
| Connect Share™ |
: Yes |
| Mini Map Zoom |
: Yes |
| Surround Sound |
: Yes |
| Dynamic Black EQ |
: Yes |
| Game Motion Plus |
: Yes |
| Auto Game Mode ( ALLM ) |
: Yes |
| Super Ultra Wide Game View |
: Yes |
| Country of Origin |
: Vietnam |
| Digital Broadcasting |
: DVB-T2CS2 |
| OSD Language |
: Local Languages |
| Accessibillity - Voice Guide |
: UK English, Hindi |
| FreeSync |
: FreeSync Premium |
| Motor Impaired Support |
: Slow Button Repeat, Remote Control App. For All |
| Hearing Impaired Support |
: Closed Caption ( Subtitle ), Multi-Output Audio, Sign Language Zoom |
| Low Vision Support |
: Relumino, Magnification, Audio Description, Zoom Menu and Text, High Contrast, SeeColors, Color Inversion, Grayscale, Picture Off |
|
| General Details |
| Power Requirements |
: AC110-120V~ 50/60Hz |
| Power Consumption Max |
: 550 W |
| Power Consumption Typical |
: 215 W |
| Power Consumption Standby |
: 0.5 W |
| Eco Sensor |
: Yes |
| Auto Power Off |
: Yes |
| Weight Without Stand |
: 50.3 Kg |
| Weight With Stand |
: 50.30 Kg |
| Weight Of Package Carton |
: 63.70 Kg |
|
| Power Supply |
: AC 220-240V~ 50/60Hz |
| Power Consumption Max |
: 490 W |
| Power Consumption Typical |
: 166 W |
| Power Consumption Standby |
: 0.50 W |
| Yearly Power Consumption ( EU Standard ) |
: 370.11 kWh |
| Energy Efficiency Class |
: 2 |
| Eco Sensor |
: Yes |
| Auto Power Off |
: Yes |
| Auto Power Saving |
: Yes |
| Weight Without Stand |
: 32.4 Kg |
| Weight With Stand |
: 34.2 Kg |
| Weight Of Package Carton |
: 44.9 Kg |
| VESA Wall Mount Compatibility |
: 400 mm X 300 mm |
|
| Supplied Accessories |
| Remote Control |
: TM2095A |
| E-Manual |
: Yes |
| Power Cable |
: Yes |
| User Manual |
: Yes |
| Batteries |
: Yes |
| Samsung Smart Control |
: Yes |
| Vesa Wall Mount Compatible |
: Yes |
| Remote Controller Water / Dust Proof |
: IP56 |
|
| Solar Cell Remote Control |
: TM2360E |
| Power Cable |
: Yes |
| User Manual |
: Yes |
|
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Compare Samsung QN75LST7TAFXZC with:
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Compare Samsung QA77S90DAELXL with:
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Key Differences
Both TVs offer adequate brightness levels suitable for most indoor lighting conditions. If you're comparing Samsung QA77S90DAELXL and Samsung QN75LST7TAFXZC, both models come with modern features and are designed to deliver a solid viewing experience across different use cases. 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 models support 4K 3840 x 2160 resolution, ensuring sharp picture quality with detailed visuals for movies, shows, and gaming. Samsung QA77S90DAELXL features a 77 Inch (195.58 cm) screen while Samsung QN75LST7TAFXZC comes with 75 Inch (191 cm), which can make a noticeable difference depending on your room size and viewing distance. Overall, both models are capable choices in their segment, offering a balance between performance, features, and usability. Samsung QA77S90DAELXL and Samsung QN75LST7TAFXZC offer different motion rates (144 Hz vs 120 Hz), which can impact smoothness during fast-moving scenes like sports and gaming. Verdict: Choosing between Samsung QA77S90DAELXL and Samsung QN75LST7TAFXZC depends on your usage, whether you prioritize display quality, smoother motion, or smart features.
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