LG OLED77CX9LA vs LG OLED77C9PLA Detailed Comparison
SCORE:
83
SCORE:
82

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Overview

Here we are comparing to to reveal their common strengths and weaknesses as well as the differences between them which will help you in making a correct decision before the purchase. Both models have the same resolution and none of them support HDR.

Let us first have a glance at the highlights of the models.

LG OLED77CX9LA Highlights

LG OLED77C9PLA Highlights

  • 4K UHD (3840 x 2160) OLED Display
  • HDR10, Dolby Vision, HLG support
  • Perfect Color
  • Perfect Viewing Angle
  • α9 Gen 3 AI Processor 4K
  • Ethernet, Wi-Fi, Bluetooth
  • 4K UHD (3840 x 2160) OLED Display
  • HDR10, Dolby Vision, HLG support
  • Perfect Color
  • Perfect Viewing Angle
  • α9 Gen 2 Intelligent Processor
  • Ethernet, Wi-Fi, Bluetooth

We have evaluated the TVs from available features and specifications. They both get the same overall score in our ranking system which is based on the display specifications, video, audio and other features, connectivity and format support.

LG OLED77CX9LA

LG OLED77C9PLA

DISPLAY
82
VIDEO FEATURES
81
AUDIO FEATURES
84
OTHER FEATURES
100
CONNECTIVITY
85
FORMAT SUPPORT
59
OVERALL
83
DISPLAY
84
VIDEO FEATURES
78
AUDIO FEATURES
86
OTHER FEATURES
97
CONNECTIVITY
80
FORMAT SUPPORT
55
OVERALL
82

Detailed Specifications

And in the end we display all the specifications which are present for both models.

Note: The following table shows only those details which are applicable for both models and excludes the ones that are applicable for only one model. If you want to see a full list of specs for each model please visit their individual pages here - and here - .

BASICS LG OLED77CX9LA LG OLED77C9PLA
BrandLGLG
CountryGermanyGermany
Series 2CXC9
ModelOLED77CX9LAOLED77C9PLA
Release Year20202019
Size77"77"
Smart TVYesYes
DISPLAY LG OLED77CX9LA LG OLED77C9PLA
Actual Size (Diagonal)76.7"76.8"
Resolution4K UHD (3840 x 2160)4K UHD (3840 x 2160)
Refresh Rate100 Hz/120 Hz100 Hz/120 Hz
Screen DesignFlatFlat
Display TypeOLEDOLED
Backlight DimmingPixel Level DimmingPixel Dimming/Self Lighting Pixel
Backlight NameSelf-illuminating pixels (no backlight)Self-luminous pixels (no backlight)
ContrastInfinite ContrastInfinite Contrast
ColorPerfect ColorPerfect Color
Viewing AnglePerfect Viewing AnglePerfect Viewing Angle
Panel Bit Depth10 bits10 bits
Color Depth1.07 Billion1.07 Billion
Contrast Ratio
VIDEO LG OLED77CX9LA LG OLED77C9PLA
3D CapabilityNoNo
HDR10YesYes
HDR10+NoNo
Dolby VisionYesYes
Dolby Vision IQYesNo
HLGYesYes
Advanced HDR by Technicolor®NoYes
IMAX EnhancedNoNo
4K HDRYes Cinema HDRYes
HDR EffectYes 4K/2KYes
AMD Freesync™YesNo
NVidia G-SyncYesNo
4K HFRYesYes 4K HFR via HDMI will be updated
2K HFRYesYes
VRRYesNo
HGIG CompatibilityYesNo
Picture Processorα9 Gen 3 AI Processor 4Kα9 Gen 2 Intelligent Processor
UpscalingAI 4K Upscaler4K Upscaler
BlacksPerfect BlackPerfect Black
Black Frame InsertionYes OLED Motion ProYes OLED Motion Pro
Filmmaker ModeYesNo
Auto Low Latency ModeYesYes
Depth EnhancementNoYes Object Depth Enhancer
AI PictureYes AI Picture ProNo
Auto Genre SelectionYes SDR/HDR/Dolby HDRNo
Face EnhancingAI Picture Pro - Face EnhancingNo
Image EnhancingImage Enhancing on SQMNo
Color EnhancerYes Advanced Color EnhancerYes Advanced Color Enhancer
Noise ReductionQuad Step Noise ReductionQuad Step NR
Deep Learning AI PictureYesYes
AI BrightnessYesYes
True Color AccuracyYes ProYes Pro
Ultra LuminanceYes ProYes Pro
SharpnessFrequency based Sharpness EnhancerFrequency based Sharpness Enhancer
Dynamic Tone MappingHDR Dynamic Tone Mapping ProDynamic Tone Mapping Pro
AUDIO LG OLED77CX9LA LG OLED77C9PLA
Speaker Channels2.2 Channel2.2 Channel
Speaker Power Rating40W (WF:20W, 10W per Channel)40W (WF:20W, 10W per Channel)
Dolby AtmosYesYes
DTS Digital SurroundNoYes DTS-HD
AI SoundYes AI Sound ProYes
Surround ModeOLED SurroundDolby Surround / OLED Surround
Clear VoiceClear Voice IVClear Voice III
WiSA ReadyYes Separate Dongle Purchase RequiredYes
Bluetooth Audio PlaybackYesYes
LG Sound SyncYesYes
Smart Speaker CompatibleYesYes
LG Smart SpeakerYesYes
CONNECTIVITY LG OLED77CX9LA LG OLED77C9PLA
Ethernet InputYesYes
Wi-FiYesYes
Wi-Fi DirectYesYes
Wi-Fi Frequency2.4 GHz, 5 GHz2.4 GHz, 5 GHz
Wi-Fi ProtocolIEEE802.11ac/a/b/g/nIEEE802.11ac/a/b/g/n
BluetoothYesYes
Bluetooth Version5.05.0
Mobile ConnectivityYesYes
Apple AirplayYes Airplay 2Yes Airplay 2
LG TV Plus AppYesYes
Smart ThinQ AppYesYes
ChromecastNoNo
Google HomeYesYes Google Home device sold separately
Virtual AssistantYes Google AssistantYes Google Assistant
Works with AlexaYes Alexa Built-InYes
HDMI Inputs44
HDMI Version2.12.1
HDMI Audio Return Channel (ARC)Yes eARC (HDMI 2)Yes eARC (HDMI 2)
HDCP Version2.32.2
HDMI-CECYes SIMPLINKYes SIMPLINK
USB Inputs33
USB 3.0 PortsNoNo
RF (Terrestrial / Cable ) Inputs33
Component InputsNoNo
Composite Inputs1 via A/V 3.5mm JackNo
RCA Audio OutputsNoNo
3.5mm headphone Audio OutputYesYes
Optical Audio OutputYesYes
RS-232C Remote1 (Mini Jack)No
DLNAYesYes
OTHER LG OLED77CX9LA LG OLED77C9PLA
CPU Cores44
GPU Cores22
Operating SystemwebOSwebOS
Internet BrowserYes Full Web BrowserYes
Application StoreYes LG Content StoreYes LG Content Store
TeletextYes FlofYes Flof
Teletext Page2000 page2000 page
On-Screen Display Languages3736
LG AI ThinQ®YesYes
Speech to TextYesYes
LG Voice SearchYesYes
Amazon Echo CompatibleYesYes
AI UXYesYes
AI HomeYesYes
AI RecommendationDefault: offDefault: off
Intelligent EditYesYes
Home DashboardYesYes
Auto Device DetectionYesYes
Apple HomePodYesYes
Voice RecognitionYes Intelligent Voice RecognitionYes Intelligent Voice Recognition
Magic LinkDefault: offDefault: off
Audio Guidance (Text To Speech)YesYes
Gallery ModeYesYes
Multi-viewYesYes
DIALYesYes
360 VRYesYes
Mobile TV OnYesYes
Wi-Fi TV OnYesYes
Bluetooth Low Energy OnYesYes
Instant Game ResponseYes VRR/ALLMYes VRR/ALLM
Screen ShareYesYes
Time ShiftYesYes
Auto CalibrationYesYes
Time Machine (DVR)YesYes
HEVCYes 4K@120p, 10bitYes
VIDEO FORMATS LG OLED77CX9LA LG OLED77C9PLA
3GPPYesYes
AV1Yes 4K@60p, 10bitNo
AVIYesYes
ASFNoNo
DivXYesYes
Flash VideoYesYes
H.263YesYes
H.264YesYes
H.265YesYes
MKVYesYes
M2TSYesYes
MP4YesYes
MPEG-4YesYes
QuickTimeYesYes
RealVideoNoNo
TSYesYes
VC-1YesYes
VP7NoNo
VP8NoNo
VP9Yes 4K@60p, 10bitYes
VOBNoNo
VRONoNo
WebMNoNo
WMVNoNo
XvidNoNo
AUDIO FORMATS LG OLED77CX9LA LG OLED77C9PLA
AACYesYes
AC4YesNo
AIFFNoNo
ALACNoNo
APENoNo
aptXYesYes
eAAC+NoNo
EAC3YesNo
FLACYesYes
HE-AACYesYes
LPCMYesYes
M4ANoNo
MIDINoNo
MP2YesNo
MP3YesYes
OGGNoYes
RealAudioNoYes
WMAYesYes
WAVNoNo
IMAGE FORMATS LG OLED77CX9LA LG OLED77C9PLA
BMPNoNo
GIFNoNo
JPEGYesYes
JPSYesYes
MPOYesYes
PNGNoNo
TUNER LG OLED77CX9LA LG OLED77C9PLA
Digital TunerYes 2Yes 2
SAT TunerYesYes
Analog TunerPAL/SECAM, B/G, D/K, I, SECAM LPAL/SECAM, B/G, D/K, I, SECAM L
Digital Terrestrial TV SystemDVB-T/T2DVB-T/T2
Digital Cable TV SystemDVB-CDVB-C
Digital SAT TV SystemDVB-S/S2DVB-S/S2
Color systemPAL / SECAM / NTSCPAL / SECAM / NTSC
CI+CI+ 1.4CI+ 1.4
GENERAL LG OLED77CX9LA LG OLED77C9PLA
Energy EfficiencyA+A
Power SupplyAC 100-240 V, 50/60 HzAC 100-240 V, 50/60 Hz
Power Consumption (Typical)172 W175 W
Power Consumption (In Standby)0.5 W0.5 W
Dimension Without Stand (W x H x D)1723 x 993 x 56 mm1722 mm x 991 mm x 56 mm
Dimension With Stand (W x H x D)1723 x 1023 x 269 mm
67.83" x 40.28" x 10.59"
1722 mm x 1047 mm x 253 mm
Dimension of Package (W x H x D)1895 x 1130 x 285 mm
74.61" x 44.49" x 11.22"
1895 mm x 1130 mm x 285 mm
One Connect BoxNoNo
VESA Wall MountYesYes
VESA Hole Pitch (W x H)400 mm x 200 mm400 mm x 200 mm
Weight Without Stand26.7 kg / 58.86 lbs29.9 kg
Weight With Stand35.9 kg / 79.15 lbs36.5 kg
Weight of Package (Gross)49.3 kg / 108.69 lbs49.5 kg
ACCESSORIES LG OLED77CX9LA LG OLED77C9PLA
RemoteMagic Remote Control - MR20Magic Remote Control - AN-MR19
Universal Control Capability for remoteYesYes
Magic Remote Control CompatibleYesYes

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