LG OLED C1 vs LG OLED C9

Every spec side by side, from each maker's published figures.

Only show differences

Better figure, where one is clearly better

Share comparison

OLED C1 compared with OLED C9

	LGOLED C1	LGOLED C9
Overview
Released
Released	March 2021	2019
Display
Panel
Panel	OLED	OLED
Panel detail
Panel detail	Self-lit OLED with pixel dimming	–
Resolution
Resolution	3840 × 2160 (4K)	3840 × 2160 (4K)
Refresh rate
Refresh rate	120 Hz	120 Hz
HDR formats
HDR formats	Dolby Vision, HDR10, HLG	Dolby Vision, HDR10, HLG
HDR extras
HDR extras	Dolby Vision IQ and Dynamic Tone Mapping	Advanced HDR by Technicolor also supported
Picture processing
Picture processing	AI Picture Pro, Face Enhancing, AI Upscaling, AI Genre Selection and AI Brightness Control	AI Picture, AI Brightness, 4K Upscaler and dynamic tone mapping
Picture modes
Picture modes	9 modes, including Filmmaker, Cinema, Game and ISF Expert Bright Room and Dark Room	–
Motion handling
Motion handling	OLED Motion Pro	Native 120Hz (Trusted Reviews). Original UK sheets retain the launch wording that 4K HFR via HDMI would be enabled by update.
Sizes
Sizes
Sizes	48, 55, 65, 77, 83″	55, 65, 77″
Largest size
Largest size	83″ (better)	77″
Gaming
HDMI ports
HDMI ports	4 (all HDMI 2.1 at 4K 120 Hz+)	4 (all HDMI 2.1 at 4K 120 Hz+)
Variable refresh rate
Variable refresh rate	HDMI VRR, FreeSync, G-Sync Compatible	HDMI VRR, G-Sync Compatible
Auto low latency mode
Auto low latency mode	Yes	Yes
HDMI detail
HDMI detail	Four HDMI ports with 4K 120Hz, VRR and ALLM; eARC on HDMI 2	Four HDMI 2.1 inputs, one rear and three side; eARC on HDMI 2
Game features
Game features	G-Sync Compatible, FreeSync Compatible, HGiG and Game Optimiser	HDMI VRR and ALLM. G-Sync Compatible was a post-launch update; LG's November 2019 rollout began in North America, followed by Europe and other regions, so firmware availability differed by country.
Smart TV and sound
Smart TV platform
Smart TV platform	webOS	webOS
Processor
Processor	α9 Gen4 AI Processor 4K	α9 Gen2 Intelligent Processor
Speakers
Speakers	–	40 W, 2.2 channels
Dolby Atmos
Dolby Atmos	Yes	Yes
eARC
eARC	Yes	Yes
Wi-Fi
Wi-Fi	Wi-Fi 5	Wi-Fi 5 (802.11ac)
Bluetooth
Bluetooth	5.0	5.0
Speaker detail
Speaker detail	LG UK lists 40 W, 2.2 channels for the 65″ OLED65C14LB	–
Audio features
Audio features	AI Sound Pro virtual 5.1.2 up-mix, AI Acoustic Tuning, Clear Voice Pro and Bluetooth Surround Ready	Dolby Atmos, AI Sound, Clear Voice III and DTS decoding
Voice assistants
Voice assistants	Google Assistant and Amazon Alexa	–
Casting
Casting	Apple AirPlay 2 and Apple HomeKit	Apple AirPlay 2; introduced through a post-launch update
Software updates
Software updates	webOS 6.0 at launch	Launch webOS 4.5. Release year is conservative because LG's Australian launch table schedules 55″ and 65″ for March and 77″ for April, while the surrounding text says the range starts in April. The US schedule gives April for 55″ and 65″ and May for 77″; these schedules do not establish a single actual first shipping day.
TV tuners
TV tuners	UK OLED65C14LB has DVB-T2/T, DVB-C and DVB-S2; 2 RF inputs and CI+ 1.4	–
USB
USB	3 × USB	Three USB ports, two rear and one side
Ethernet
Ethernet	Ethernet port	Ethernet LAN port
Optical audio out
Optical audio out	Optical digital audio output; UK OLED65C14LB also has a shared headphone/line output	Optical digital audio output; headphone output also fitted
Design and power
Size
Size	UK 65″ OLED65C14LB without stand 1449 × 830 × 46.9 mm; with stand 1449 × 862 × 251 mm, 32.6 kg	Without stand (W × H × D): 55″ 1228 × 706 × 46.9 mm; 65″ 1449 × 830 × 46.9 mm; 77″ 1722 × 991 × 56 mm
Stand
Stand	UK 65″ OLED65C14LB footprint 998 × 251 mm	Stand width: 55″ and 65″ 998 mm; 77″ 1189 mm
VESA pattern
VESA pattern	UK 65″ OLED65C14LB 300 × 200 mm	55″ and 65″: 300 × 200 mm; 77″: 400 × 200 mm
Power use
Power use	Under 0.5 W standby	–
In the box
In the box	Magic Remote MR21N, 2 AA batteries and attached power cable	MR19 Magic Remote, two AA batteries and attached power cable