| Model No |
QA77S90CAKLXL |
QN75LST7TAFXZC |
| 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 |
120 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, 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 |
: 4K UHD OLED |
| HLG |
: Yes |
| Film Mode |
: Yes |
| AI Upscale |
: Yes |
| Picture Clarity |
: Yes |
| Anti Reflection |
: Yes |
| One Billion Color |
: Yes |
| Filmmaker Mode ( FMM ) |
: Yes |
| Smart Calibration |
: Basic |
| Viewing Angle |
: Ultra Viewing Angle |
| HDR |
: Quantum HDR OLED |
| Contrast Enhancer |
: Real Depth Enhancer |
| Contrast |
: Self-Illuminating Pixels |
| HDR 10+ |
: Yes ( Adaptive / Gaming ) |
| Brightness / Color Detection |
: Brightness, Color Detection |
| Color |
: Perceptional Color Mapping |
| Motion Technology |
: Motion Xcelerator Turbo Pro |
| Picture Engine |
: Neural Quantum Processor 4K |
|
| 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 |
|
| Audio |
| Sound Output ( RMS ) |
: 40 W |
| Woofer |
: Yes |
| Sound Wall |
: Yes |
| Dolby Atmos |
: Yes |
| Q-Symphony |
: Yes |
| Multiroom Link |
: Yes |
| Bluetooth Audio |
: Yes |
| Adaptive Sound+ |
: Yes |
| Buds Auto Switch |
: Yes |
| Active Voice Amplifier |
: Yes |
| Object Tracking Sound Lite |
: Yes |
| Dual Audio Support ( Bluetooth ) |
: Yes |
| Speaker Type |
: 2.1 Channel |
| Dolby Digital Plus |
: MS12 5.1Channel |
|
| 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 |
|
| Connectivity Options |
| HDMI |
: 4 |
| USB 2.0 |
: 2 |
| WiFi5 |
: Yes |
| Bluetooth 5.2 |
: Yes |
| Ethernet / LAN |
: Yes |
| Anynet+ ( HDMI-CEC ) |
: Yes |
| Digital Audio Out ( Optical ) |
: Yes |
| Dongle Compatibility ( 3G / LTE / WiFi ) |
: Yes ( India Only ) |
| HDMI ( High Frame Rate ) |
: 4K 144Hz ( For HDMI 1 / 2 / 3 / 4 ) |
| RF In ( Terrestrial / Cable Input / Satellite Input ) |
: 1 / 1 ( Common Use For Terrestrial ) / 0 |
|
| 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 |
|
| Smart TV Features |
| Operating System |
: Tizen™ Smart TV |
| TV Plus |
: Yes |
| Tap View |
: Yes |
| Easy Setup |
: Yes |
| App Casting |
: Yes |
| SmartThings |
: Yes |
| Media Home |
: Yes |
| Web Browser |
: Yes |
| Ambient Mode+ |
: Yes |
| Mobile Camera Support |
: Yes |
| Far-Field Voice Interaction |
: Yes |
| Video Communication |
: Google Meet |
| Multi-View |
: UpTo 2 Videos |
| Universal Guide |
: Yes ( India Only ) |
| Bixby |
: US English, UK English, India English |
|
| 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 ) |
|
| Other Features |
| Design |
: Laser Slim Design |
| Bezel Type |
: 4 Bezel-Less |
| HGiG |
: Yes |
| Time Shift |
: Yes |
| Tune Station |
: Yes |
| Analog Tuner |
: Yes |
| Extended PVR |
: Yes |
| Caption ( Subtitle ) |
: Yes |
| Mini Map Zoom |
: Yes |
| Triple Protection |
: Yes |
| Surround Sound |
: Yes |
| Dynamic Black EQ |
: Yes |
| Game Motion Plus |
: Yes |
| Analog Clean View |
: Yes |
| Auto Game Mode ( ALLM ) |
: Yes |
| Super Ultra Wide Game View |
: Yes |
| Country of Origin |
: India |
| Digital Broadcasting |
: DVB-T2 |
| Accessibility - Learn TV Remote / Learn Menu Screen |
: UK English |
| Freesync |
: FreeSync Premium |
| Accessibillity - Voice Guide |
: UK English, India English ( w/ Only Local Set : India ), Hindi |
|
| 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 |
|
| General Details |
| Power Supply |
: AC220-240V~ 50/60Hz |
| Power Consumption |
: 460 W |
| Eco Sensor |
: Yes |
| Auto Power Off |
: Yes |
| Auto Power Saving |
: Yes |
| Weight Without Stand |
: 35.1 Kg |
| Weight With Stand |
: 37.8 Kg |
| Weight Of Package Carton |
: 49.1 Kg |
| VESA Spec |
: 400 mm X 400 mm |
|
| 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 |
|
| Supplied Accessories |
| Remote Control |
: TM2360E |
| E-Manual |
: Yes |
| Power Cable |
: Yes |
| User Manual |
: Yes |
| Webcam Support |
: Yes |
| Vesa Wall Mount Support |
: Yes |
|
| 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 |
|
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Compare Samsung QA77S90CAKLXL with:
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Compare Samsung QN75LST7TAFXZC with:
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Key Differences
Both TVs provide standard built-in audio performance suitable for regular usage, though external speakers can enhance the experience. Both TVs provide decent motion handling, making them suitable for everyday viewing including sports and action content. There is a difference in screen size (77 Inch (195.58 cm) vs 75 Inch (191 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. Both TVs offer adequate brightness levels suitable for most indoor lighting conditions. Samsung QA77S90CAKLXL and Samsung QN75LST7TAFXZC are two competitive smart TVs offering a mix of display performance, smart features, and overall value for different types of users. From a practical standpoint, both options provide a reliable viewing experience for most users. Both models support 4K 3840 x 2160 resolution, ensuring sharp picture quality with detailed visuals for movies, shows, and gaming. Verdict: Choosing between Samsung QA77S90CAKLXL and Samsung QN75LST7TAFXZC depends on your usage, whether you prioritize display quality, smoother motion, or smart features.
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