| Model No |
QN55LST7TAFXZC |
55LX1TPSA |
| TV Type |
Smart TV |
Smart TV |
| Screen Size |
55 Inch (139 cm) |
55 Inch (139 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, AC4, AC3, EAC3, AAC, MP2, PCM, WMA |
| Supported Video Formats |
: MKV, DivX, MP4, AVI, ASF, MOV, FLV |
| Supported Picture Formats |
: JPEG, PNG, BMP, WebP, JPS, 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 |
| HDR10 |
: Yes |
| Dolby Vision |
: Yes |
| Filmmaker Mode™ |
: Yes |
| AI Brightness Control |
: Yes |
| OLED Dynamic Tone Mapping Pro |
: Yes |
| Wide Colour Gamut |
: OLED Colour |
| Motion |
: OLED Motion |
| Dimming Technology |
: Pixel Dimming |
| AI Genre Selection |
: Yes ( SDR, HDR ) |
| Picture Processor |
: α9 AI Processor 4K Gen7 |
| AI Upscaling |
: α9 AI Super Upscaling 4K |
| High Frame Rate ( HFR ) |
: 4K 120 Fps ( HDMI, USB ) |
| Picture Mode |
: 10 Modes ( Personalized Picture Wizard, Vivid, Standard, Eco, Cinema, Sports, Game, Filmmaker, ( ISF ) Expert ( Bright Room ), ( ISF ) Expert ( Dark Room )) |
|
| 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 |
|
| Audio Output ( RMS ) |
: 40 W |
| Dolby Atmos |
: Yes |
| LG Sound Sync |
: Yes |
| AI Acoustic Tuning |
: Yes |
| Sound Mode Share |
: Yes |
| Bluetooth Surround Ready |
: Yes |
| Simultaneous Audio Output |
: Yes |
| Speaker Direction |
: Down Firing |
| Speaker System |
: 4.0 Channel |
| WiSA Ready |
: Yes ( Up To 2.1 Channel ) |
| Clear Voice Pro |
: Yes ( Auto Volume Leveling ) |
| AI Sound |
: α9 AI Sound Pro ( Virtual 9.1.2 Up-Mix ) |
| Audio Codec |
: AC4, AC3 ( Dolby Digital ), EAC3, HE-AAC, AAC, MP2, MP3, PCM, WMA, apt-X ( Refer To Manual ) |
|
| Connectivity Options |
| HDMI |
: 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 ) |
: 3ea ( Supports 4K 120Hz, eARC, VRR, ALLM, QMS ( 3 Port )) |
| USB ( 2.0 ) |
: 2ea |
| Ethernet / LAN |
: 1ea |
| RF Input ( Antenna / Cable ) |
: 2ea |
| Optical Digital Audio Out ( SPDIF ) |
: 1ea |
| Wi-Fi 5 |
: Yes |
| Bluetooth 5.1 |
: Yes |
| Simplink ( HDMI CEC ) |
: Yes |
| HDMI Audio Return Channel |
: eARC ( HDMI 2 ) |
|
| 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 |
: WebOS 24 Smart TV |
| ThinQ |
: Yes |
| Multi View |
: Yes |
| LG Channels |
: Yes |
| Always Ready |
: Yes |
| Family Settings |
: Yes |
| Full Web Browser |
: Yes |
| USB Camera Compatible |
: Yes |
| Hands-Free Voice Control |
: Yes |
| Works With Apple Airplay2 |
: Yes |
| Intelligent Voice Recognition |
: Yes |
| Magic Remote Control Built-In |
: Yes |
| Smartphone Remote App |
: Yes ( LG ThinQ ) |
| Room To Room Share |
: Yes ( Sender, Receiver ) |
|
| 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 |
: All-Round Design |
| Gray Scale |
: Yes |
| Invert Colors |
: Yes |
| High Contrast |
: Yes |
| Warranty Period |
: 1 Year Parts & Labor |
|
| General Details |
| Power Requirements |
: AC110-120V~ 50/60Hz |
| Power Consumption Max |
: 345 W |
| Power Consumption Typical |
: 140 W |
| Power Consumption Standby |
: 0.5 W |
| Eco Sensor |
: Yes |
| Auto Power Off |
: Yes |
| Weight Without Stand |
: 29.3 Kg |
| Weight Of Package Carton |
: 36.1 Kg |
|
| Power Supply |
: AC 100~240V 50-60Hz |
| Power Consumption Standby |
: Under 0.5 W |
| Energy Star Rating |
: 4.5 |
| Weight Without Stand |
: 21.0 Kg |
| Weight With Stand |
: 22.9 Kg |
| Packaging Weight |
: 33.1 Kg |
| VESA Mounting |
: 300 mm X 200 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 |
|
| Remote Control |
: Magic Remote Control MR24 With NFC |
| Power Cable |
: Yes ( Attached ) |
| Remote Control Batteries |
: AA x 2EA |
| IR Blaster Cable |
: Yes |
|
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Compare Samsung QN55LST7TAFXZC with:
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Compare LG 55LX1TPSA 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 models support 4K 3840 x 2160 resolution, ensuring sharp picture quality with detailed visuals for movies, shows, and gaming. Overall, both models are capable choices in their segment, offering a balance between performance, features, and usability. Both TVs offer adequate brightness levels suitable for most indoor lighting conditions. Samsung QN55LST7TAFXZC and LG 55LX1TPSA are two competitive smart TVs offering a mix of display performance, smart features, and overall value for different types of users. Both TVs come in similar screen sizes, making them suitable for comparable viewing setups and room environments. Both TVs come with smart platforms that support popular streaming apps and voice control features. Both TVs provide decent motion handling, making them suitable for everyday viewing including sports and action content. Verdict: Choosing between Samsung QN55LST7TAFXZC and LG 55LX1TPSA depends on your usage, whether you prioritize display quality, smoother motion, or smart features.
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