Features

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General
In The Box TV Unit  Manual  1 TV Unit  TV Unit
Model Name LTDN55XT780XWAU3D  43UK6360PTE  UA49N5300ARXXL  55K2A
Color Black, Silver  Black  Silver
Display Size 140 cm (55)  108 cm (43)  123 cm (49)  138.71 cm (55)
Screen Type LED  LED  LED  LED
HD Technology & Resolution Ultra HD (4K), 3840 x 2160  Ultra HD (4K), 3840 x 2160  Full HD, 1920 x 1080  Ultra HD (4K), 3840 x 2160 Pixels
3D No  No  No  No
Smart TV Yes Yes Yes Yes
Curve TV No  No  No  No
Series Pixelight  Smart  On Smart  Certified Android
Touchscreen No  No  No  No
Motion Sensor No  Yes No  No
HDMI 3  3  2  4
USB 2  2  1  2
Wi-Fi Type IEEE 802.11 b, g, n, ac  802.11ac  802.11 a/b/g/n (2.4 GHz/5 GHz)
Built In Wi-Fi Yes Yes Yes Yes
Launch Year 2017  2018  2018  2018
Internet Features
Built In Wi-Fi Yes Yes Yes Yes
3G Dongle Plug and Play No  Yes Yes No
Ethernet (RJ45) 1  1  1  1
Other Internet Features Wi-Fi Bands: 2.4/5 GHz  LG Smart TV Launcher, Full Web Browser, LG Game World, SiView More... Netflix  Screen Mirroring
Mobile High-Definition Link No
Connectivity Features
HDMI 4 Back  2 Side, 1 Rear  2 Side  2 Side & 2 Back
Component In (RGB Cable) Component or Y Pb (Cb) Pr (Cr) Input: 1 
NFC Support No
Headphone Jack Yes
Analog Audio Input Yes Yes
USB 3 Back  1 Side, 1 Rear  1 Side  2 Side
PC Audio In No
Audio Out Headphone only
RF Connectivity Input RF Input: 1  Yes
Other Connectivity Features Audio L/R for Component Input (Shared with AV input): 1  Ethernet (RJ45)
Streaming Platform Netflix, YouTube, etc.
PC D-sub No
Digital Audio Output Yes
RF Connectivity Output No
Video Features
Picture Engine Mali T860 MP2
Analog TV Reception Color-sound Systems in VHF/UHF Band: PAL - D/K, B/G, I, SView More... Yes Yes
Digital TV Reception Television System (DVB-T/DVB-T2), Video Decoder: MPEG 2/MView More... Yes DVB-T/C
View Angle 178 degree  178 degree
Digital Noise Filter Yes
LED Display Type DLED  LED  Direct  DLED
Aspect Ratio 16:09 
Refresh Rate 60 Hz  50 Hz  50 Hz  60 Hz
Supported Video Formats AVI, WMV, ASF, MP4, MOV, 3GP, MKV, MPG, MPEG, VOB, RM, WeView More... mpeg  H.265, H.264, VP9, MPEG1, MPEG2, MPEG4, VC1, WMV, TS, MKV View More...
Other Video Features Response Time: 8 ms 
Contrast Ratio Mega Contrast (Static)  6/14/1900 16:01 (Static)
Panel Type Ultra High Definition Panel  IPS  A+  CSOT
Brightness 450 nits  280 nits
Picture in Picture (PIP) No
Picture And Picture (PAP) No
Smart TV Features
Number of Cores 4
Processor Quad Core A53
Graphic Processor Dual Core Mali
Ram Capacity 2.5 GB
Storage Memory 16 GB
Supported App - Netflix No  Yes Yes Yes
Supported App - Youtube Yes Yes Yes Yes
Supported App - Hotstar No  No  Yes Yes
Supported Mobile Operating System Android  webOS  Yes Android, iOS
Operating System Present Yes Yes
Operating System Linux Based  WebOS  Tizen  Official Android
Screen Mirroring Yes Yes Yes Yes
App Store Type Opera  Netflix , Amazon Prime, Youtube , Google Play & Movies  Tizen  Google Play Store
Content Providers Youtube, Netflix, Yupp TV, Facebook,AccuWeather, icflix, View More... Netflix , Amazon Prime, Youtube , Google Play & Movies  Yes Google Play Store / Google Movie & TV / Google Game / Goo View More...
Content Languages English, Telugu, Malayalam, Kannada, Tamil
System Languages English
Supported App - Others Movie Talkies, Red Bull TV, Cricket worldWeather Network,View More... Netflix , Amazon Prime, Youtube , Google Play & Movies  Yes Google Play Store, Chrome Cast
Graphic User Interface Yes
Clocking Speed 64 Bit
Pre Installed Browser Opera  T-Browser
Supported Devices for Casting Laptop, PC 
Audio Features
Number of Speakers 2  2  4  2
Speaker Type Tweeter, Midrange  2 Ch Speaker  Stereo Box Speaker
Sound Technology Dolby Digital, dbx-tv  Dolby Digital Decoder  Dolby/DTS
Surround Sound DTS Virtual: X  Yes
Speaker Output RMS 24 W  20 W  40 W  16 W
Sound Mode Standard, Cinema, Clear Voice III, Cricket, Music, Game  Standard, Movie, Music, Voice, Game, Stadium, Personal
Supported Audio Formats WMA, WMV, ASF, MP4, MPG, MPEG, VRO, VOB, FLV, MKV, FLAC, View More... AC4, AC3 (Dolby Digital), EAC3, HE-AAC, AAC, MP2, MP3, PCView More... MP3, WMA
Other Audio Features Automatic Volume Level (AVL)  Smart Volume/Stereo Surround Sound Box Speaker
Subwoofer Output RMS 20 
Number of Subwoofers No
Power Features
Power Requirement AC 100 - 240 V, 50/60 Hz  AC 110 - 240 V, 50/60 Hz  AC 100 - 240 V, 50/60 Hz  AC 100 -240 V, 50/60 Hz
Power Consumption 200 W, 1 W (Standby)  0.3 W (Standby)  130 W, 0.5 W (Standby)  130 W, 0.5 W (Standby)
Other Power Features No
Remote Control Features
Touch Remote No  No  No  No
Smart Remote Yes Yes
RF Capable No  Yes Yes
Internet Access Yes Yes Yes
Other Remote Control Features Voice Input
Color Screen Yes Yes
Battery Type 4 AAA Batteries
DVR Control No
Operating Distance 10 M
Remote Charger No
Dimensions
Width x Height x Depth (without stand) 1233 mm x 715 mm x 83 mm  977 mm x 575 mm x 80.8 mm  1112.8 mm x 646.5 mm x 78.7 mm  1243.6 mm x 719.9 mm x 73.7 mm
Weight (without stand) 16.7 kg  8.3 kg  13.8 kg
Width x Height x Depth (with stand) 1233 mm x 760 mm x 249 mm  977 mm x 629 mm x 216 mm  1112.8 mm x 673.6 mm x 187.5 mm  1243.6 mm x 778.7 mm x 214.6 mm
Weight (with stand) 17 kg  8.4 kg  14 KG
Stand Type Tabletop  birds leg
Stand Features metal
Other Dimensions Active Display Area: Horizontal Dimension - 1209.6 mm, VeView More... No
Warranty
Warranty Summary 1 Year Vu Domestic Warranty  1 Year LG India Comprehensive Warranty and additional 1 yView More... 1 Year Comprehensive and 1 Year Additional on Panel  12 months Domestic Warranty for the First end user from D View More...
Covered in Warranty Manufacturing Defects Covered in Warranty  Defect Arising out of Faulty or Defective Material or WorView More... Defect Arising out of Faulty or Defective Material or WorView More... Defect Arising Out of Faulty or Defective Material or Wor View More...
Not Covered in Warranty The product is not used according to instructions given iView More... Warranty Does Not Cover Any External Accessories (Such asView More... Warranty Does Not Cover Any External Accessories (Such asView More... 1.Damages Resulting from Un-authorised Adaptations or Adj View More...
Warranty Service Type On-site Service, Customer needs to call the nearby AuthorView More... On-site Service, Customer needs to call the Customer CareView More... Technician Visit  Technician Visit
Additional Features
Additional Features DTV Recording (EPG Scheduling /Start from Standby)  Wide Viewing Angle, Active 4K HDR, AI Enabled  Ultra Pix Brightens the Image, Bluetooth Connectivity, 60View More... Google Android TV
Note
Note Samsung reserves the right to contact the customer througView More...
Convenience Features
Clock Yes
Auto Power Off Yes
Sleep Timer Yes Yes
On/Off Timer Yes Yes
Other Convenience Features Power Off if No Signal, Program Lock, Software Version OSView More... AI ThinQ, Voice Command (800 Plus), Eros Now,Hungamma  Instant Power On
Child Lock Yes No
Remote Control Dimensions
Width x Height x Depth 39 mm x 230 mm x 15.6 mm
Other Dimensions No