| Model No |
QN55LST7DAFXZC |
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 |
| 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 UHD NEO QLED |
| Anti Reflection |
: Yes |
| Filmmaker Mode |
: Yes |
| HDR Brightness Optimizer |
: Yes |
| AI Upscale |
: 4K AI Upscaling |
| Motion Technology |
: Motion Xcelerator |
| HDR |
: Neo Quantum HDR+ |
| Contrast Enhancer |
: Real Depth Enhancer |
| AI HDR Remastering |
: Auto HDR Remastering |
| Micro Dimming |
: Ultimate UHD Dimming |
| Picture Engine |
: NQ4 AI Gen2 Processor |
| HDR 10+ |
: Yes ( Adaptive / Gaming ) |
| Contrast |
: Quantum Matrix Technology |
|
| 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 ) |
: 40 W |
| 360 Audio |
: Yes |
| Adaptive Sound |
: Yes |
| Speaker Type |
: 4 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 2.1 |
: 3 |
| USB-A |
: 1 |
| Wi-Fi 5 |
: Yes |
| Bluetooth 5.2 |
: Yes |
| Ethernet / LAN |
: Yes |
| Ex-Link ( RS-232C ) |
: Yes |
| Anynet+ ( HDMI-CEC ) |
: Yes |
| Audio Out ( Mini Jack ) |
: Yes |
| Digitale Audio Out ( Optical ) |
: Yes |
| HDMI Audio Return Channel |
: eARC |
| High Frame Rate ( HDMI ) |
: 4K 120Hz ( For HDMI 1 / 2 / 3 ) |
| 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™ Smart TV |
| Daily+ |
: Yes |
| Bixby |
: Yes |
| Apple AirPlay |
: Yes |
| Web Browser |
: Yes |
| Ambient Mode+ |
: Yes |
| Universal Guide |
: Yes |
| Samsung Health |
: Yes |
| Samsung TV Plus |
: Yes |
| Virtual Communication |
: Yes |
| SmartThings Hub, Matter Hub, IoT Sensor Functionality, Quick Remote |
: Yes |
| Built-in Voice Assistant |
: Alexa |
| NFT |
: Nifty Gateway |
| Multi-View |
: UpTo 2 Videos |
| Works With AI Speaker |
: Alexa, Google Assistant |
| Multi Device Experience |
: TV To Mobile, Mobile To TV, TV Initiate Mirroring, Sound Mirroring, Tap View, Wireless TV On |
|
| 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 ( Hairline ) |
| Slim Type |
: Normal |
| Bezel Type |
: SNB |
| EPG |
: Yes |
| V-Chip |
: Yes |
| IP Control |
: Yes |
| Analog Tuner |
: Yes |
| Digital Broadcasting |
: ATSC, ClearQAM |
| OSD Languages |
: English, Spanish, French |
| Motor Impaired Support |
: Slow Button Repeat, Remote Control App. For All |
| Low Vision Support |
: Audio Subtitles, Magnification, Audio Description, Zoom Menu & Text, High Contrast, SeeColours, Colour Inversion, Grayscale, Auto Picture Off |
| Hearing Impaired Support |
: Closed Caption ( Subtitle ), Multi-Output Audio, Caption Position, Sign Language Zoom, Separate Closed Caption, Sign Language Guide, Auto Caption Position |
| Accessibillity - Voice Guide |
: US English, Mexico Spanish, Canada French, Finnish, German, Greek, Hungarian, Italian, Norwegian, Polish, Portugal Portuguese, Romanian, Slovak, Swedish, Czech, Danish, Dutch, Korean |
|
| Design |
: All-Round Design |
| Gray Scale |
: Yes |
| Invert Colors |
: Yes |
| High Contrast |
: Yes |
| Warranty Period |
: 1 Year Parts & Labor |
|
| General Details |
| Power Requirements |
: AC 110-120 V~50 / 60 Hz |
| Power Consumption Max |
: 290 W |
| Power Consumption Typical |
: 167 W |
| Power Consumption Standby |
: 0.5 W |
| Eco Sensor |
: Yes |
| Auto Power Off |
: Yes |
| Auto Power Saving |
: Yes |
| Weight Without Stand |
: 27.9 Kg |
| Weight Of Package Carton |
: 34.2 Kg |
| VESA Wall Mount Compatibility |
: 200 mm X 200 mm |
|
| 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 Controller Model |
: TM2365E |
| Power Cable |
: Yes |
| User Manual |
: Yes |
|
| 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 QN55LST7DAFXZC with:
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Compare LG 55LX1TPSA with:
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In general, both TVs cater to modern entertainment needs, including streaming, gaming, and everyday viewing. Both TVs provide decent motion handling, making them suitable for everyday viewing including sports and action content. Both models support 4K 3840 x 2160 resolution, ensuring sharp picture quality with detailed visuals for movies, shows, and gaming. 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. Samsung QN55LST7DAFXZC and LG 55LX1TPSA 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. Verdict: Both models offer good value, and the better option depends on your specific requirements and viewing preferences. Top Differences- Display Technology: 4K UHD NEO QLED Vs 4K UHD OLED
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