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Sony KD-55X77CL
Rs.45,680.84

LG 55UM7660PVA
Rs.45,708.03
Model No KD-55X77CL 55UM7660PVA
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 60 Hz 50 Hz
Viewing Angle 178°/178° 178°/178°
USB
USB Version : 2.0
Supported Audio Formats : MP3 AUDIO, WMA
Supported Video Formats : WMV, PS, MPG, M2TS, MPEG, DIVX, MPEG-PS, MP4
Supported Picture Formats : JPEG, GIF, PNG, TIFF, RAW
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, JPS, MPO
Video
Backlight Type : 4K UHD Direct LED
HLG : Yes
HDR10 : Yes
Auto Wide : Yes
Photo TV HD, BRAVIA For China : Yes
Cine Motion, Film Mode, Cinema Drive : Yes
Display Resolution : QFHD
4K Processor : 4K Processor X1
Clarity Enhancement : 4K X-Reality Pro
Backlight Dimming Type : Frame Dimming
Color Enhancement : Live Color™ Technology
Contrast Enhancement : Dynamic Contrast Enhancer
Motion Enhancer ( Native Hz ) : Motionflow XR 240 ( Native 60Hz )
Picture Mode : Vivid, Standard, Cinema, Game, Graphic, Photo, Custom
Wide Mode : Auto, Wide Zoom, Normal, Full, Full Pixel, Zoom, 14:9, Full Pixel
Video Signal Support : HDMI™ Signal: 4096 X 2160p ( 24, 60 Hz ), 3840 X 2160p ( 24, 30, 60 Hz ), 1080p ( 30, 60 Hz ), 1080/24p, 1080i ( 60 Hz ), 720p ( 30, 60 Hz ), 720/24p, 480p, 480i
Backlight : 4K UHD Direct LED
2K HFR : Yes
IPS Panel : Yes
Wide Viewing Angle : Yes
Noise Reduction : NR
Upscaler : 4K Upscaler
HDR : 4K Active HDR
HLG : Yes ( 4K / 2K )
HDR Effect : Yes ( 4K / 2K )
HDR10 Pro : Yes ( 4K / 2K )
Video Decoder VP9 : 4K@60P, 10Bit
Video Decoder HEVC : 4K@60P, 10Bit
Color Accuracy : True Color Accuracy
Color Enhancer : Advanced Color Enhancer
Dynamic Tone Mapping : HDR Dynamic Tone Mapping
Picture Mode : Yes 9 Modes ( Vivid, Standard, Eco, Cinema, Sports, Game, HDR Effect, ( ISF ) Expert ( Bright Room ), ( ISF ) Expert ( Dark Room ))
Audio
Audio Output Power : 10 W + 10 W
Balance : Yes
Clear Phase : Yes
Auto Mute ( On No Signal ) : Yes
Channel Configuration : 2 Channel
Speaker Position : Down Firing
Speaker Type-2 : X-Balanced Speaker
Speaker Type : Bass Reflex Speaker
S-Master : S-Master Digital Amplifier
Dolby Audio Format Support : Dolby Audio, Dolby Atmos
Speaker Configuration : Full Range ( Bass Reflex ) X 2
Digital Audio Out ( Optical ) Format : Two Channel Linear PCM: 48kHz 16bits, Dolby Audio
ARC Output Format : Two Channel Linear PCM: 48kHz 16bits, Dolby Audio, Dolby Atmos
HDMI Input Audio Format : Two Channel Linear PCM: 32/44.1/48kHz 16/20/24bits, Dolby Audio
Audio Output ( RMS ) : 20 W ( 10 W Per Channel )
DTS Decoder : Yes
Clear Voice III : Yes
DTS Virtual : X : Yes
LG Sound Sync : Yes
Adaptive Sound Control : Yes
Bluetooth Audio Playback : Yes
One Touch Sound Tuning : Yes
Auto Notification ( Bluetooth Easy Paring ) : Yes
Speaker Direction : Down Firing
Speaker System : 2.0 Channel
Surround Mode : DTS Virtual : X
Simultaneous Audio Output : Yes ( Optical Output Or HP Support Model )
Audio Codec : AC4, AC3 ( Dolby Digital ), EAC3, HE-AAC, AAC, MP2, MP3, PCM, DTS, DTS-HD, DTS Express, WMA, apt-X ( Refer To Manual )
Connectivity Options
HDMI™ 2.1 : 3 ( Side )
USB 2.0 : 2 ( Side )
RS-232C Inputs : 1 ( Side )
Ethernet Inputs : 1 ( Side )
RF ( Terrestrial / Cable ) Connection Inputs : 1 ( Side )
Apple Homkit : Yes
Apple Airplay : Yes
Chromecast Built-In : Yes
Control For HDMI ( HDMI CEC ) : Yes
HDMI Audio Return Channel : eARC / ARC
Features Specified In HDMI 2.1 : eARC / ALLM
WI-FI Frequency : 2.4GHz / 5GHz
Composite Video Inputs : 1 ( Side Mini Jack )
Auto Low Latency Mode ( ALLM ) : Yes ( For HDMI™3 )
USB Drive Format Support : FAT16 / FAT32 / NTFS
Analog Audio Inputs : 1 ( Side Analog Conversion )
HDCP : HDCP 2.3 ( For HDMI™ 1 / 2 / 3 )
WI-FI Standard : Wi-Fi Certified 802.11a / b / g / n / ac
Bluetooth Version : Version 5.0,HID / HOGP / A2DP / AVRCP / SPP
4K 60P High-Quality Formats : HDMI IN1, IN2, IN3 Ports For 4K ( Up To 18Gbps ) Signal
HDMI PC Input Format : 640X480 ( 31.5kHz,60Hz ), 800X600( 37.9kHz,60Hz ), 1024X768 ( 48.4kHz,60Hz ), 1280X1024 (64.0kHz,60Hz), 1152X864 (67.5kHz,75Hz), 1600x900 ( 55.9kHz,60Hz ), 1680X1050 ( 65.3kHz,60Hz ), 1920X1080 ( 67.5kHz,60Hz )
USB Playback Codes : MPEG1:MPEG1 / MPEG2 PS:MPEG2 / MPEG2 TS ( HDV,AVCHD ):MPEG2,AVC / MP4 ( XAVC S ):AVC,MPEG4,HEVC,AV1 / AVI: Motion Jpeg / ASF( WMV ): VC1 / M
HDMI 2.0 : 4 ( 2 Side, 2 Rear )
USB 2.0 : 2 ( 1 Side, 1 Rear )
Bluetooth 5.0 : Yes
Simplink ( HDMI CEC ) : Yes
Ethernet / LAN : Yes Rear
Optical Digital Audio Out ( SPDIF ) : Yes Rear
Wi-Fi : 802.11ac
Audio Return Channel ( eARC / ARC ) : ARC HDMI 2
RF In : 2 ( Rear, RF / Sat ) * Iran : 1 ( Rear, RF )
Component : Yes ( Rear, Component in / AV in common )
Composite In ( AV ) : Yes ( Rear, Component in / AV in common )
Smart TV Features
Operating System : Google TV
ROM : 16 GB
Eco Dashboard : Yes
Google Play Store : Yes
24p True Cinema : Yes
Auto Genre Picture Mode : Yes
Auto HDR Tone Mapping : Yes
Electronic Program Guide ( EPG ) : Yes
Text Input Language : ARABIC, ENGLISH, FINNISH, FRENCH, GERMAN, HEBREW, HINDI, ITALIAN, JAPANESE, KOR, NORWEGIAN, PER, PORTUGUESE, RUSSIAN, SPANISH, THAI, VIETNAMESE, SIMPLIFIED CHINESE, TRADITIONAL CHINESE
Display Language : AFRIKAANS, ARABIC, BENGALI, ENGLISH, FRENCH, GUJARATI, HINDI, INDONESIAN, KANNADA, MALAYALAM, MARATHI, PANJABI, PER, PORTUGUESE, RUSSIAN, SPANISH, SWAHILI, TAMIL, TELUGU, THAI, VIETNAMESE, SIMPLIFIED CHINESE, TRADITIONAL CHINESE, ZULU
Operating System : WebOS Smart TV
CPU : Quad Core
DIAL : Yes
AI UX : Yes
ThinQ : Yes
AI Home : Yes
Hotel Mode : Yes
Wi-Fi TV On : Yes
360° VR Play : Yes
Music Player : Yes
Quick Access : Yes
Screen Share : Yes
Mobile TV On : Yes
Web Browser : Yes
Intelligent Edit : Yes
LG TV Plus App : Yes
Speech To Text : Yes
LG Voice Search : Yes
Smart ThinQ App : Yes
LG Content Store : Yes
Universal Control : Yes
Home Dashboard : Yes
Mobile Connectivity : Yes
AI Recommendation : Yes
Auto Device Detection : Yes
Network File Browser : Yes
Bluetooth Low Energy On : Yes
Intelligent Voice Recognition : Yes
Block Access To Harmful Site : Yes
Magic Remote Control : Built-In
Magic Link : Yes ( Iran, Syria, Sudan Excludes Youtube )
Other Features
Bezel Design : Narrow Bezel Design
Bezel Colour : Hairline Black
Stand Colour : Black
Stand Design : Slim Wedged Stand
TALKBACK : Yes
Sleep Timer : Yes
Voice Search : Yes
Switch Access : Yes
Auto Shut-off : Yes
On / Off Timer : Yes
On Screen Clock : Yes
Parental Control : Yes
Audio Description : Yes
Text Magnification : Yes
Auto Picture Mode : Yes
Cable Management : Yes
Accessibility Shortcut : Yes
Standard Remote Control : Yes
Closed Caption ( Analog, Digital ) : Yes
VESA® Hole Spacing Compatible : Yes
TV System ( Analog ) : M
Color System : NTSC
TV System ( Digital Terrestrial ) : ATSC
TV System ( Digital Cable ) : Clear QAM
Quick Setup Guide : EN,FR,ES,PT
Tuner Channel Coverage ( Digital Cable ) : CATV: 1-135
Channel Block ( With Password ) : Analog & Digital
Number Of Turners ( Terrestrial / Cable ) : 1 ( Digital / Analog )
Tuner Channel Coverage ( Digital Terrestrial ) : VHF: 2-13/UHF: 14-69
Show, Hide Channels : Yes ( Digital & Analog )
Tuner Channel Coverage ( Analog ) : VHF: 2-13/UHF: 14-69/CATV: 1-135
Optimal Accessories : Wallmount Bracket ( SU-WL855 ) Depends On Country Selection
Design : Premium Design
Time Shift : Yes
Analog DVR : Yes
EPG ( 8 days ) : Yes
Teletext Page : Yes
Subtitle [ DVB ] : Yes
Digital Recording : Yes
Audio Description : Yes
Analog TV Reception : Yes
Time Machine ( DVR ) : Yes
Teletext ( Top / Flof / List ) : Yes
Data Broadcasting ( Country Spec ) : Yes
Instant Game Response ( ALLM ) : Yes
Cable : DVB-C
Satellite : DVB-S2
Terrestrial : DVB-T2
VESA Wall Mount Model : Refer To Accessory Sheet
Digital TV Reception ( Terrestrial, Cable, Satellite ) : Yes DVB-T2/C/S2 ( IRAN : DVB-T2/C )
General Details
Power Supply ( Voltage, Hz ) : AC 110 V - 240 V, 50/60Hz
Power Consumption : 191 W
Annual Energy Consumption* : 246 kWh
Power Consumption Standby : 0.5 W
Eco Friendly : Yes
Dynamic Backlight Control : Yes
Power Saving Mode / Back Light Off Mode : Yes
Weight Of TV Without Stand : 15.3 Kg
Weight Of TV With Stand : 15.6 Kg
Weight Of Package Carton : 22.0 Kg
VESA® Hole Pitch : 300 mm X 300 mm
Power Supply ( Voltage, Hz ) : AC 100~240V 50-60Hz
On-Mode Power Consumption : 101.0 W
Peak Luminance Ratio of On-Mode or Home-Mode : 147 W
Standby / Off-Mode Power Consumption : 0.22 W
Presence of Lead : Yes
Energy Saving Mode : Yes
Energy Efficiency Label : 3
Peak Luminance In Percentage : 83 %
Weight Without Stand : 16.1 Kg
Weight With Stand : 17.1 Kg
Illuminance Green Sensor : Yes ( White Sensor )
Supplied Accessories
Voice Remote Control : RMF-TX811U
Batteries : Yes
AC Power Cord : Yes
Table Top Stand : Yes
Quick Setup Guide : Yes
Operating Instructions : Yes
Remote Control : MR19
Batteries : AAA X 2EA
Power Cable : Yes ( TV Detached )

Compare Sony KD-55X77CL with:

Compare LG 55UM7660PVA with:

Key Differences

Both TVs provide standard built-in audio performance suitable for regular usage, though external speakers can enhance the experience. Sony KD-55X77CL and LG 55UM7660PVA offer different motion rates (60 Hz vs 50 Hz), which can impact smoothness during fast-moving scenes like sports and gaming. If you're comparing Sony KD-55X77CL and LG 55UM7660PVA, both models come with modern features and are designed to deliver a solid viewing experience across different use cases. 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. Both models support 4K 3840 x 2160 resolution, ensuring sharp picture quality with detailed visuals for movies, shows, and gaming. Both TVs come in similar screen sizes, making them suitable for comparable viewing setups and room environments. From a practical standpoint, both options provide a reliable viewing experience for most users.

Verdict: Both TVs are strong contenders, and your final choice should depend on your preference for screen size, motion performance, and smart features.