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LG OLED C1 vs LG OLED GX

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

Better figure, where one is clearly better

LGOLED C1LGOLED GX
Overview
ReleasedMarch 2021April 2020
Display
PanelOLEDOLED
Panel detailSelf-lit OLED with pixel dimmingSelf-lit OLED panel in LG's Gallery chassis, supplied with a flush wall mount
Resolution3840 × 2160 (4K)3840 × 2160 (4K)
Refresh rate120 Hz120 Hz
HDR formatsDolby Vision, HDR10, HLGDolby Vision, HDR10, HLG
HDR extrasDolby Vision IQ and Dynamic Tone MappingDolby Vision IQ, LG HDR10 Pro processing and Filmmaker Mode; no HDR10+ claim
Picture processingAI Picture Pro, Face Enhancing, AI Upscaling, AI Genre Selection and AI Brightness ControlAI Picture Pro, AI Upscaling, AI Brightness and HDR Dynamic Tone Mapping Pro
Picture modes9 modes, including Filmmaker, Cinema, Game and ISF Expert Bright Room and Dark RoomTen modes including Filmmaker, Cinema, Game and ISF Expert bright and dark room
Motion handlingOLED Motion ProOLED Motion Pro, with 4K high frame rate support; LG Switzerland's exact OLED55GX6LA specification describes a 100/120 Hz native panel
Sizes
Sizes48, 55, 65, 77, 83″55, 65, 77″
Largest size83″77″
Gaming
HDMI ports4 (all HDMI 2.1 at 4K 120 Hz+)4 (all HDMI 2.1 at 4K 120 Hz+)
Variable refresh rateHDMI VRR, FreeSync, G-Sync CompatibleHDMI VRR, FreeSync, G-Sync Compatible
Auto low latency modeYesYes
HDMI detailFour HDMI ports with 4K 120Hz, VRR and ALLM; eARC on HDMI 2Four HDMI 2.1 inputs; 4K 120 Hz input and eARC on HDMI 2
Game featuresG-Sync Compatible, FreeSync Compatible, HGiG and Game OptimiserHDMI VRR, ALLM, G-SYNC Compatible, FreeSync and HGiG. LG's current UK GX6LA specifications list FreeSync; launch-era review coverage described it as pending a software update.
Smart TV and sound
Smart TV platformwebOSwebOS
Processorα9 Gen4 AI Processor 4Kα9 Gen3 AI Processor 4K
Speakers–60 W, 4.2 channels
Dolby AtmosYesYes
eARCYesYes
Wi-FiWi-Fi 5Wi-Fi 5 (802.11ac)
Bluetooth5.05.0
Speaker detailLG UK lists 40 W, 2.2 channels for the 65″ OLED65C14LBDown-firing 60 W, 4.2-channel system with a 20 W woofer on all three UK size specifications
Audio featuresAI Sound Pro virtual 5.1.2 up-mix, AI Acoustic Tuning, Clear Voice Pro and Bluetooth Surround ReadyAI Sound Pro, AI Acoustic Tuning, Clear Voice IV, LG Sound Sync and WiSA speaker support
Voice assistantsGoogle Assistant and Amazon AlexaLG ThinQ AI, Google Assistant and Amazon Alexa built in
CastingApple AirPlay 2 and Apple HomeKitApple AirPlay 2 and HomeKit, Screen Share and DIAL
Software updateswebOS 6.0 at launchwebOS 5.0. LG UK's rollout table scheduled 55- and 65-inch models for the week beginning 6 April 2020 and the 77-inch for the week beginning 11 May; an exact first retail day was not verified.
TV tunersUK OLED65C14LB has DVB-T2/T, DVB-C and DVB-S2; 2 RF inputs and CI+ 1.4UK DVB-T2/T, DVB-C and DVB-S2/S with two RF inputs and CI slot
USB3 × USBThree side USB ports
EthernetEthernet portOne LAN port
Optical audio outOptical digital audio output; UK OLED65C14LB also has a shared headphone/line outputOne optical digital audio output; shared headphone and line output also listed
Design and power
SizeUK 65″ OLED65C14LB without stand 1449 × 830 × 46.9 mm; with stand 1449 × 862 × 251 mm, 32.6 kgWithout stand (W × H × D): 55-inch 1225 × 705 × 23.1 mm; 65-inch 1446 × 829 × 19.9 mm on LG UK specifications
StandUK 65″ OLED65C14LB footprint 998 × 251 mmFlush wall mount included; table stand is an optional purchase. LG lists TV-plus-stand weights of 22, 30.5 and 40.2 kg respectively.
VESA patternUK 65″ OLED65C14LB 300 × 200 mm–
Power useUnder 0.5 W standbyUnder 0.5 W standby on LG UK specifications
In the boxMagic Remote MR21N, 2 AA batteries and attached power cableFlush wall mount and Magic Remote; table stand is not included

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