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General
Screen Size Variation
Under 55 Inches inch, 55-65 Inches inch, 65-77 Inches inch
Features:
Smart TV , HDR , High Definition , CEC Enabled , Anti-glare , With Energy Saving Mode
Display Type:
OLED
OLED
Screen Design
Flat Tv
Flat Tv
Connectivity:
HDMI , WiFi , USB , Ethernet , Bluetooth , Optical Audio , RF
Number Of HDMI Ports:
4
HDR
HDR10
HDR10 , Dolby Vision , HLG
Refresh Rate:
120 Hz
Next Gen. Gaming Feature:
VRR (Variable Refresh Rate) , ALLM (Auto Low Latency Mode) , eARC
TV Type
Indoor
Indoor
Special Feature:
AI ThinQ, Google Assistant, Amazon Alexa compatibility
Supported Internet Services:
Netflix, Disney Plus, Prime Video, Hulu, HBO Max, Airplay 2, Peacock, Apple TV
Input/Output Options:
Numbers of HDMI:
4
HDMI Version
0
2.1
Audio Return Channel
0
1
Optical Digital Audio Output:
1
1
Component Video Inputs:
1
0
Composite Video Inputs:
0
0
3.5mm Composite A/V Inputs:
0
1
RF Inputs:
0
1
USB Ports:
1
3
Analog Audio/Headphone Output:
1
1
Apps and Features
Cast Capable
Yes
Yes
USB Drive Playback
Yes
Yes
USB Drive HDR Playback
Yes
Yes
HDR in Netflix
Yes
Yes
HDR in YouTube
Yes
Yes
Apps Navigation
Ease To Use
Ease To Use
Remote Control
Voice Control
Yes
Yes
Universal Remote Support for HDMI Device
Yes
Universal Remote Support for non-HDMI Device
Yes
Remote App
LG ThinQ
LG TV Plus
Built-in Speaker Performance( Test Summary Report)
Built-in Speakers:
Down-firing speakers
Voice Clarity:
0
May struggle with clarity at high volumes or complex dialogue scenes.
Distortion:
1
Weighted THD @ 80 0.085, Weighted THD @ Max 0.519
Frequency Response:
0
Low-Frequency Extension 63.50 Hz
Bass:
0
Average 40W (20W Woofer x 2)
Soundstage:
1
Not ideal for surround sound experiences.
Immersion:
The immersive experience is enhanced by the well-balanced audio output, allowing users to feel more engaged with the content they are watching or playing.
Dolby Atmos Support:
The LG OLED77C9PUB TV supports Dolby Atmos, which significantly enhances the audio experience by creating a three-dimensional sound field.
Audio Passthrough:
The TV supports audio passthrough, allowing users to enjoy high-quality audio from external devices connected to the TV, such as gaming consoles or Blu-ray players.
Recommendation:
Built-in speakers are a significant improvement over most OLED TVs and suitable for casual viewing. For the best audio experience, especially for Dolby Atmos content and movies, a high-end soundbar is recommended.
Display Specs
Screen Size:
55 inches
Display Type
OLED
Aspect Ratio
16:9
Screen Resolution (pixels):
4K Ultra HD (3840 x 2160 pixels)
Screen Refresh Rate:
120Hz
Viewing Angle
178 degree
Backlight Type:
0
No Backlight
Quantum Dot Color:
No
Video Processing Technology:
α9 Gen 3 AI Processor 4K
HDR (High Dynamic Range):
1
HDR10, Dolby Vision, HLG
Design & Built Quality:
Dimensions
57 W x 34-1/4 H x 9-3/4 D inch with Stand
Style
The silver metal on the back is a bit darker than its predecessor, but it has the same stand that allows the TV to sit close to the table.
Back & Borders:
Wall Mount VESA 300x200 & Borders 0.35 inch
Thickness:
Max Thickness 1.93 inch
Build Quality:
The LG CX has fantastic build quality. The front of the stand and the top half of the back are made out of metal
Longevity:
N/A
Stand:
Footprint of the 55 inch TV stand: 36 x 9.6 inch
Included Components:
User manual, Remote, Composite breakout adapter, Batteries
Smart TV Features
Operating System
webOS (version 5.0)
CPU / Processor
α9 Gen 2 Intelligent Processor
Graphic Processor / GPU
RAM
4GB
Storage
32GB
Chromecast
Supported
Not Supported
Alexa
Built-in
Built-in
Picture Quality:[Test Summary Report]
Contrast:
Native Contrast Inf : 1, Contrast with local dimming N/A
Brightness:
Peak 817 cd/m²
Local Dimming:
Yes
Gray & Black Uniformity:
50% Std. Dev. 1.526%, 50% DSE 0.135% & Native Std. Dev. 0.416%, Std. Dev. w/ L.D. N/A
Viewing Angle:
178 degree
Reflections:
Screen Finish Glossy, Total Reflections 1.5%, Indirect Reflections 0.4%
Calibration:
Pre White Balance dE 2.47, Color dE 1.77, Gamma 2.19, Color Temperature 7,034 K
Pixels & Motion:
Type OLED, Sub-Type WOLED
Input Handling (480p and 720p):
This TV upscales 480p content well, with no obvious upscaling artifacts.
Input Handling (1080p):
1080p content looks almost as good as native 4k content.
Input Handling (4k):
There aren't any issues displaying 4k content.
Color Gamut:
Wide Color Gamut Yes, DCI P3 xy 97.32%, DCI P3 uv 98.71% & Rec 2020 xy 71.67%, Rec 2020 uv 75.65%
Color Volume: :
Normalized DCI P3 Coverage ITP 80.6% 10,000 cd/m², DCI P3 Coverage ITP 44.2%
Gradient & Response Time:
Color Depth 10, Bit Red (Std. Dev.) 0.083 & Response time1.7 ms
Supported Resolutions:
480p, 720p, 1080p, 4K
Interface:
LG webOS
Inputs Specifications:
HDR10:
Yes
HDR10+ :
N/A
Dolby Vision:
Yes
HLG :
Yes
HDMI 2.0 :
Yes (HDMI 1,2,3,4)
HDMI 2.1 :
Yes (HDMI 1,2,3,4)
CEC Enabled:
Yes
HDCP 2.2:
Yes (HDMI 1,2,3,4)
ATSC Tuner:
2.2
USB 3.0 :
N/A
Variable Analog Audio Out:
Yes
Wi-Fi :
Yes (802.11ac)
Audio Passthrough:
ARC/eARC Port :
ARC
eARC: Dolby Atmos Over Dolby Digital Plus :
eARC: Dolby Digital Plus 7.1 :
eARC: LPCM 7.1 Over Dolby MAT:
eARC: Dolby TrueHD 7.1 :
eARC: DTS:X Over DTS-HD Master Audio:
Yes
eARC: DTS-HD Master Audio 7.1:
eARC: LPCM Channels (Bitstream) :
7.1
ARC: Dolby Digital 5.1
Yes
ARC: DTS 5.1
Yes
Optical: Dolby Digital 5.1:
Yes
Optical: DTS 5.1 :
Yes
Rating System:
TV Shows:
8.2
HDR Movies:
8.8
HDR Gaming:
9
Sports( Considering Day Light)
8.6
PC Monitor ():
8.7
Gaming Feature:
PS5 Compatibility:
Yes
Xbox Series X |S Compatibility
Yes
Auto Low Latency Mode (ALLM):
Yes
Variable Refresh Rate (VRR):
Yes
Input Lag:
13.6 ms
HDR:
Yes
High Frame Rate (HFR):
Up to 120 Hz
Additional Features:
Game Mode, Auto Low Latency Mode (ALLM), Variable Refresh Rate (VRR)
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