Comparison between LG OLED77GX9LA vs LG OLED65CX9LA

General Info
Model Number	LG OLED77GX9LA	LG OLED65CX9LA

Price	Check on Amazon	Check on Amazon
Type	TV	TV
Year	2020	2020
Brand	LG	LG
Model Series	GX	CX
Model Number	OLED77GX9LA	OLED65CX9LA
Alias		OLED65CX8LB
Display
Screen Size Class	77" (inches)	65" (inches)
Diagonal Size	76.77 in 195 cm 1950 mm 6.4 ft	64.53 in 163.9 cm 1639 mm 5.38 ft
Screen Width	66.91 in 170 cm 1699.57 mm 5.58 ft	56.24 in 142.8 cm 1428.48 mm 4.69 ft
Screen Height	37.64 in 95.6 cm 956.009 mm 3.14 ft	31.63 in 80.4 cm 803.52 mm 2.64 ft
Display Manufacturer	LG Display	LG Display
Display Type	OLED	OLED
Display Bit Depth	10 bits	10 bits
Frame Rate Control	No	No
Max Number of Colors	1073741824	1073741824
Bits	30	30
Screen Aspect Ratio	16:9	16:9
Screen Resolution	3840 x 2160	3840 x 2160
Screen Pixel Pitch	0.443 mm	0.372 mm
Screen Pixel Density	57 ppi	68 ppi
Screen-to-Body Ratio	95.27 %	95.44 %
DCI P3	98.5%	98%
Rec.2020		75
Max Screen Brightness		750 cd/m²
Screen Horizontal Viewing Angle	178 °	178 °
Screen Vertical Viewing Angle	178 °	178 °
Screen Input Lag		13 ms
Display Minimum Response Time	1 ms
HDR	Dolby Vision HDR10 Pro HLG (Hybrid Log Gamma) Dolby Vision IQ	Dolby Vision HDR10 Pro HLG (Hybrid Log Gamma) Dolby Vision IQ
3D	No	No
Size, weight, color
Case Depth	0.98 in 2.5 cm 25 mm 0.08 ft	1.85 in 4.7 cm 47 mm 0.15 ft
Case Weight	39.4 kg 87 lbs	24 kg 53 lbs
Case Width with Stand	67.76 in 172.1 cm 1721 mm 5.65 ft	57.05 in 144.9 cm 1449 mm 4.75 ft
Case Height with Stand	41.34 in 105 cm 1050 mm 3.44 ft	33.94 in 86.2 cm 862 mm 2.83 ft
Case Depth with Stand	12.72 in 32.3 cm 323 mm 1.06 ft	9.88 in 25.1 cm 251 mm 0.82 ft
Case Weight with Stand	40.2 kg 88 lbs	32.6 kg 72 lbs
Case Color	Black	Black
Hardware
CPU Cores	4	4
GPU Cores	2	2
TV Tuner	Analog (NTSC/PAL/SECAM) DVB-T DVB-T2 DVB-C DVB-S DVB-S2	Analog (NTSC/PAL/SECAM) DVB-T DVB-T2 DVB-C DVB-S DVB-S2
Built-in Camera	No	No
Network	LAN Wi-Fi 802.11a (IEEE 802.11a-1999) 802.11b (IEEE 802.11b-1999) 802.11g (IEEE 802.11g-2003) 802.11n (IEEE 802.11n-2009) 802.11n 5GHz 802.11ac (IEEE 802.11ac) Wi-Fi Direct DLNA Bluetooth 5.0	LAN Wi-Fi 802.11a (IEEE 802.11a-1999) 802.11b (IEEE 802.11b-1999) 802.11g (IEEE 802.11g-2003) 802.11n (IEEE 802.11n-2009) 802.11n 5GHz 802.11ac (IEEE 802.11ac) Wi-Fi Direct DLNA Bluetooth 5.0
Connectivity	3 x HDMI 2.1 (CEC) 1 x HDMI 2.1 (CEC; eARC) 1 x IR Out 1 x Satellite In (Sub; F-type female) 1 x 3.5 mm Audio Out 1 x Optical Audio Out 1 x Satellite In (Main; F-type female) 3 x USB 2.0 1 x Antenna (RF) 1 x Ethernet RJ45 1 x CI+ 1.4	3 x HDMI 2.1 (CEC) 1 x HDMI 2.1 (CEC; eARC) 1 x Satellite In (Sub; F-type female) 1 x 3.5 mm Audio Out 1 x Optical Audio Out 1 x Satellite In (Main; F-type female) 3 x USB 2.0 1 x Antenna (RF) 1 x Ethernet RJ45 1 x CI+ 1.4
Audio
Audio Speakers	4 x 10W	2 x 10W
Built-in Subwoofer	2 x 10	2 x 10
Features
OS	webOS 5.0	webOS 5.0
Cool Features	LG ThinQ AI PVR HDR Dynamic Tone Mapping Pro Image Processor - α9 Gen 3 AI Processor 4K Image Enhancing on SQM Advanced Contrast Enhancer Frequency Based Sharpness Enhancer Filmmaker Mode HDR Gaming Interest Group (HGiG) ULTRA Luminance Pro Google Assistant AI 4K Upscaler OLED Motion Pro Perfect Color Auto Genre Selection AI Picture Pro AMD FreeSync technology Face Enhancing Autocalibration (CalMAN) with access to LUT level Perfect Viewing Angle Hands-Free Voice Control Alexa Perfect Black Panel Intelligent Voice Recognition True Color Accuracy Pro Home Dashboard NVIDIA G-SYNC Compatible AI Brightness Control 4-step noise reduction Cinema HDR Apple AirPlay 2 Advanced Color Enhancer Apple HomeKit Pixel Level Dimming	NVIDIA G-SYNC Compatible True Color Accuracy Pro HDR Gaming Interest Group (HGiG) Intelligent Voice Recognition Image Processor - α9 Gen 3 AI Processor 4K Advanced Contrast Enhancer Frequency Based Sharpness Enhancer Filmmaker Mode Home Dashboard Google Assistant AI 4K Upscaler Perfect Black Panel Pixel Level Dimming Auto Genre Selection AI Picture Pro AMD FreeSync technology Face Enhancing Autocalibration (CalMAN) with access to LUT level PVR HDR Dynamic Tone Mapping Pro Alexa Perfect Color LG ThinQ AI ULTRA Luminance Pro Image Enhancing on SQM OLED Motion Pro AI Brightness Control 4-step noise reduction Cinema HDR Apple AirPlay 2 Advanced Color Enhancer Apple HomeKit Perfect Viewing Angle
Extra Features	Gallery Design	Perfect Cinema Screen
Ergonomics
Case Width	67.76 in 172.1 cm 1721 mm 5.65 ft	57.05 in 144.9 cm 1449 mm 4.75 ft
Case Height	39.02 in 99.1 cm 991 mm 3.25 ft	32.68 in 83 cm 830 mm 2.72 ft
Vesa Mount Support	Yes	Yes
VESA Interface Standard Size	300 x 300	300 x 200
Removable VESA Stand	Yes	Yes
Height Adjustment	No	No
Landscape or Portrait Pivot Support	No	No
Left or Right Swivel Support	No	No
Forward and Backward Tilt Support	No	No
Frequency and Interpolation
Vertical Digital Frequency	40 Hz - 120 Hz	40 Hz - 120 Hz
Screen Interpolation Measurement Unit	NULL	NULL
Accessories
Extras	Magic Remote Control - MR20	Magic Remote Control - MR20
Certificates and Standards
Licenses	ENERGY STAR RoHS UL/cUL	ENERGY STAR RoHS UL/cUL
Usage and Storage Requirements
Safe Operating Temperature Level	0 °C - 40 °C 32 °F - 104 °F	0 °C - 40 °C 32 °F - 104 °F
Safe Operating Humidity Level	10 % - 80 %	10 % - 80 %
Internal Storage Temperature	-20 °C - 60 °C -4 °F - 140 °F	-20 °C - 60 °C -4 °F - 140 °F
Internal Storage Humidity	5 % - 85 %	5 % - 85 %

LG OLED77GX9LA

LG OLED65CX9LA