Here we are comparing LG OLED77C8PUA to LG OLED77C9PUB 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 4K UHD (3840 x 2160) resolution and they both support HDR.

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

We have evaluated the TVs from available features and specifications. LG OLED77C9PUB gets higher overall score in our ranking system which is based on the display specifications, video, audio and other features, connectivity and format support.

This section shows the features and specifications which are the reason to choose LG OLED77C9PUB over LG OLED77C8PUA.

	LG OLED77C8PUA	LG OLED77C9PUB
More Powerful Picture Processor	α9 Intelligent Processor	α9 Gen 2 Intelligent Processor
Auto Low Latency Mode	✖	✔
Deep Learning AI Picture	✖	✔
AI Brightness	✖	✔
AI Sound	✖	✔
WiSA Ready	✖	✔ Separate Dongle Purchase Required
Smart Speaker Compatible	✖	✔
LG Smart Speaker	✖	✔
Newer Bluetooth Version	4.2	5.0
Apple Airplay	✖	✔ Airplay 2
LG TV Plus App	✖	✔
Smart ThinQ App	✖	✔
HDMI Version	2.0b	2.1
Amazon Echo Compatible	✖	✔
AI UX	✖	✔
AI Home	✖	✔
AI Recommendation	✖	Default: off
Intelligent Edit	✖	✔
Home Dashboard	✖	✔
Auto Device Detection	✖	✔
Apple HomePod	✖	✔
Magic Link	✖	Default: off
360 VR	✖	✔
Mobile TV On	✖	✔
Wi-Fi TV On	✖	✔
Bluetooth Low Energy On	✖	✔
Hotel Mode	✖	✔
Time Machine (DVR)	✖	✔
Analog DVR	✖	✔

STRENGTHS	LG OLED77C8PUA	LG OLED77C9PUB
High Refresh Rate	100 Hz/120 Hz	100 Hz/120 Hz
Wide Viewing Angle	Perfect Viewing Angle	Perfect Viewing Angle
Color Depth	1.07 Billion	1.07 Billion
Contrast Ratio	∞	∞
HDR10	✔	✔
Dolby Vision	✔	✔
HLG	✔	✔
Advanced HDR by Technicolor®	✔	✔
4K HFR	✔	✔ 4K HFR via HDMI will be updated
2K HFR	✔	✔
Dolby Atmos	✔	✔
DTS Digital Surround	✔ DTS-HD	✔ DTS-HD
Clear Voice	Clear Voice III	Clear Voice III
Bluetooth Audio Playback	✔	✔

WEAKNESSES	LG OLED77C8PUA	LG OLED77C9PUB
No 3D Capability	✖	✖
No HDR10+	✖	✖
No IMAX Enhanced	✖	✖
No AMD Freesync™	✖	✖
No NVidia G-Sync	✖	✖
No VRR	✖	✖
No HGIG Compatibility	✖	✖
No Filmmaker Mode	✖	✖
No NEXTGEN TV (ATSC 3.0)	✖	✖

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 - LG OLED77C8PUA and here - LG OLED77C9PUB.

BASICS	LG OLED77C8PUA	LG OLED77C9PUB
Brand	LG	LG
Country Version	USA	USA
Series	C8	C9
Model	OLED77C8PUA	OLED77C9PUB
Release Year	2018	2019
Size	77"	77"
Smart TV	✔	✔

DISPLAY	LG OLED77C8PUA	LG OLED77C9PUB
Actual Size (Diagonal)	76.8"	76.8"
Resolution	4K UHD (3840 x 2160)	4K UHD (3840 x 2160)
Refresh Rate	100 Hz/120 Hz	100 Hz/120 Hz
Screen Design	Flat	Flat
Display Technology	OLED	OLED
Panel Type	WRGB	WRGB
Backlight Dimming	Pixel Dimming/Self Lighting Pixel	Pixel Dimming/Self Lighting Pixel
Backlight Name	Self-luminous pixels (no backlight)	Self-luminous pixels (no backlight)
Contrast	Infinite Contrast	Infinite Contrast
Color	Perfect Color	Perfect Color
Viewing Angle	Perfect Viewing Angle	Perfect Viewing Angle
Panel Bit Depth	10 bits	10 bits
Color Depth	1.07 Billion	1.07 Billion
Contrast Ratio	∞	∞

VIDEO	LG OLED77C8PUA	LG OLED77C9PUB
3D Capability	✖	✖
HDR10	✔	✔
HDR10+	✖	✖
Dolby Vision	✔	✔
Dolby Vision IQ	✖	✖
HLG	✔	✔
Advanced HDR by Technicolor®	✔	✔
IMAX Enhanced	✖	✖
HDR	✔	✔
HDR Effect	✔	✔
AMD Freesync™	✖	✖
NVidia G-Sync	✖	✖
4K HFR	✔	✔ 4K HFR via HDMI will be updated
2K HFR	✔	✔
VRR	✖	✖
HGIG Compatibility	✖	✖
Picture Processor	α9 Intelligent Processor	α9 Gen 2 Intelligent Processor
Upscaling	4K Upscaler	4K Upscaler
Black Frame Insertion	✔	✔ OLED Motion Pro
Filmmaker Mode	✖	✖
Auto Low Latency Mode	✖	✔
Depth Enhancement	✔ Object Depth Enhancer	✔ Object Depth Enhancer
AI Picture	✖	✖
Auto Genre Selection	✖	✖
Face Enhancing	✖	✖
Image Enhancing	✖	✖
Color Enhancer	✔ Adaptive Color Enhancer	✔ Advanced Color Enhancer
Deep Learning AI Picture	✖	✔
AI Brightness	✖	✔
True Color Accuracy	✔ Pro	✔ Pro
Ultra Luminance	✔ Pro	✔ Pro

AUDIO	LG OLED77C8PUA	LG OLED77C9PUB
Speaker Channels	2.2 Channel	2.2 Channel
Speaker Power Rating	4 x 10 W	40W (WF:20W, 10W per Channel)
Dolby Atmos	✔	✔
DTS Digital Surround	✔ DTS-HD	✔ DTS-HD
Simultaneous Audio Output	✔	✔
AI Sound	✖	✔
Surround Mode	Dolby Surround / OLED Surround	Dolby Surround / OLED Surround
Clear Voice	Clear Voice III	Clear Voice III
Sound Tuning	One Touch Sound Tuning	One Touch Sound Tuning
WiSA Ready	✖	✔ Separate Dongle Purchase Required
Bluetooth Audio Playback	✔	✔
LG Sound Sync	✔	✔
Smart Speaker Compatible	✖	✔
LG Smart Speaker	✖	✔

CONNECTIVITY	LG OLED77C8PUA	LG OLED77C9PUB
Ethernet Input	✔	✔
Wi-Fi	✔	✔
Wi-Fi Direct	✔	✔
Wi-Fi Frequency	2.4 GHz, 5 GHz	2.4 GHz, 5 GHz
Wi-Fi Protocol	IEEE802.11ac/a/b/g/n	IEEE802.11ac/a/b/g/n
Bluetooth	✔	✔
Bluetooth Version	4.2	5.0
Apple Airplay	✖	✔ Airplay 2
LG TV Plus App	✖	✔
Smart ThinQ App	✖	✔
Chromecast	✖	✖
Google Home	✔ Google Home device sold separately	✔ Google Home device sold separately
Virtual Assistant	✔ Google Assistant	✔ Google Assistant
Works with Alexa	✔ Amazon Alexa device sold separately	✔ Alexa Built-In
HDMI Inputs	4	4
HDMI Version	2.0b	2.1
HDMI Audio Return Channel (ARC)	✔ HDMI 2	✔ eARC (HDMI 2)
HDCP Version	2.2	2.2
HDMI-CEC	✔ SIMPLINK	✔ SIMPLINK
USB Inputs	3	3
USB 3.0 Ports	✖	✖
RF (Terrestrial / Cable ) Inputs	1	1
Component Inputs	✖	✖
Composite Inputs	1 via A/V 3.5mm Jack	1 via A/V 3.5mm Jack
RCA Audio Outputs	✖	✖
3.5mm headphone Audio Output	✖	✖
Optical Audio Output	✔	✔
RS-232C Remote	1 (Mini Jack)	1 (Mini Jack)
DLNA	✔	✔

OTHER	LG OLED77C8PUA	LG OLED77C9PUB
CPU Cores	4	4
GPU Cores	2	2
RAM	3 GB	3 GB
Storage	8 GB	8 GB
Operating System	webOS	webOS
Internet Browser	✔ Full Web Browser	✔ Full Web Browser
Electronic Program Guide (EPG)	✔	✔
Application Store	✔ LG Content Store	✔ LG Content Store
PVR Function	✔	✔
LG AI ThinQ®	✔	✔
Speech to Text	✔	✔
LG Voice Search	✔	✔
Amazon Echo Compatible	✖	✔
AI UX	✖	✔
AI Home	✖	✔
AI Recommendation	✖	Default: off
Intelligent Edit	✖	✔
Home Dashboard	✖	✔
Auto Device Detection	✖	✔
Apple HomePod	✖	✔
Voice Recognition	✔	✔ Intelligent Voice Recognition
Magic Link	✖	Default: off
Audio Guidance (Text To Speech)	✔	✔
Gallery Mode	✔	✔
Multi-view	✔	✔
DIAL	✔	✔
360 VR	✖	✔
Mobile TV On	✖	✔
Wi-Fi TV On	✖	✔
Bluetooth Low Energy On	✖	✔
Instant Game Response	✖	✔ VRR/ALLM
Hotel Mode	✖	✔
Screen Share	✔	✔
Time Shift	✔	✔
Auto Calibration	✔	✔
Time Machine (DVR)	✖	✔
Analog DVR	✖	✔
IP Control	✔	✔

VIDEO FORMATS	LG OLED77C8PUA	LG OLED77C9PUB
3GPP	✔	✔
AV1	✖	✖
AVI	✔	✔
ASF	✖	✖
DivX	✔	✔
Flash Video	✔	✔
H.263	✔	✔
H.264	✔	✔
H.265	✔	✔
MKV	✔	✔
M2TS	✔	✔
MP4	✔	✔
MPEG-4	✔	✔
QuickTime	✔	✔
RealVideo	✖	✖
TS	✔	✔
VC-1	✔	✔
VP7	✖	✖
VP8	✖	✖
VP9	✔	✔
VOB	✖	✖
VRO	✖	✖
WebM	✖	✖
WMV	✖	✖
Xvid	✖	✖

AUDIO FORMATS	LG OLED77C8PUA	LG OLED77C9PUB
AAC	✔	✔
AC4	✖	✖
AIFF	✖	✖
ALAC	✖	✖
APE	✖	✖
aptX	✔	✔
eAAC+	✖	✖
EAC3	✖	✖
FLAC	✔	✔
HE-AAC	✔	✔
LPCM	✔	✔
M4A	✖	✖
MIDI	✖	✖
MP2	✖	✖
MP3	✔	✔
OGG	✔	✔
RealAudio	✔	✔
WMA	✔	✔
WAV	✖	✖

IMAGE FORMATS	LG OLED77C8PUA	LG OLED77C9PUB
BMP	✖	✖
GIF	✖	✖
JPEG	✔	✔
JPS	✔	✔
MPO	✔	✔
PNG	✖	✖

TUNER	LG OLED77C8PUA	LG OLED77C9PUB
Digital Tuner	✔ 1	✔ 1
SAT Tuner	✖	✖
Analog Tuner	NTSC-M	NTSC-M
NEXTGEN TV (ATSC 3.0)	✖	✖
Digital Terrestrial TV System	ATSC	ATSC
Digital Cable TV System	Clear QAM	Clear QAM
Color system	PAL / SECAM / NTSC	PAL / SECAM / NTSC

GENERAL	LG OLED77C8PUA	LG OLED77C9PUB
Power Supply	AC 120 V, 50/60 Hz	AC 120 V, 50/60 Hz
Power Consumption (In Standby)	0.5 W	0.5 W
Dimension Without Stand (W x H x D)	67.8" x 39.0" x 2.2"	67.8" x 39" x 2.2"
Dimension With Stand (W x H x D)	67.8" x 41.4" x 10.0"	67.8" x 41.2" x 10"
Dimension of Package (W x H x D)	74.6" x 44.5" x 11.2"	74.6" x 44.5" x 11.2"
VESA Wall Mount	✔	✔
VESA Dimensions (W x H)	400 mm x 200 mm	400 mm x 200 mm
Weight Without Stand	65.9 lbs	65.9 lbs
Weight With Stand	80.5 lbs	74.5 lbs
Weight of Package (Gross)	109.1 lbs	101.9 lbs

ACCESSORIES	LG OLED77C8PUA	LG OLED77C9PUB
Remote	Magic Remote Control - AN-MR18BA.AUS	Magic Remote Control - AN-MR19
Universal Control Capability for remote	✔	✔
Magic Remote Control Compatible	✔	✔

WARRANTY	LG OLED77C8PUA	LG OLED77C9PUB
Warranty	1 Year Parts & Labor	1 Year Parts & Labor