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LG OLED CX vs LG OLED GX

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

Better figure, where one is clearly better

LGOLED CXLGOLED GX
Overview
ReleasedMarch 2020April 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 BrightnessAI Picture Pro, AI Upscaling, AI Brightness and HDR Dynamic Tone Mapping Pro
Picture modes10 modes, including Filmmaker, Cinema, Game, HDR Effect and ISF Expert Bright Room and Dark RoomTen modes including Filmmaker, Cinema, Game and ISF Expert bright and dark room
Motion handlingOLED Motion Pro; 120Hz panel refresh rateOLED 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″55, 65, 77″
Largest size77″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 2.1 ports, 4K 120Hz with 10-bit HDR and 4:4:4 chroma at 40 Gbps (TechRadar); eARC on HDMI 2Four HDMI 2.1 inputs; 4K 120 Hz input and eARC on HDMI 2
Game featuresG-Sync Compatible, FreeSync, HGiG and Instant Game Response with VRR and ALLMHDMI 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 Gen3 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″ OLED65CX6LADown-firing 60 W, 4.2-channel system with a 20 W woofer on all three UK size specifications
Audio featuresAI Sound Pro, AI Acoustic Tuning, Clear Voice IV and Bluetooth Surround ReadyAI Sound Pro, AI Acoustic Tuning, Clear Voice IV, LG Sound Sync and WiSA speaker support
Voice assistantsLG ThinQ AI, Google Assistant and Amazon Alexa; LG says Google Assistant is unavailable in the Republic of IrelandLG ThinQ AI, Google Assistant and Amazon Alexa built in
Casting–Apple AirPlay 2 and HomeKit, Screen Share and DIAL
Software updateswebOS 5.0 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 OLED65CX6LA has DVB-T2/T, DVB-C and DVB-S2/S; 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 OLED65CX6LA also has a shared headphone/line outputOne optical digital audio output; shared headphone and line output also listed
Design and power
SizeUK 65″ OLED65CX6LA 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″ OLED65CX6LA 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″ OLED65CX6LA 300 × 200 mm–
Power useUnder 0.5 W standbyUnder 0.5 W standby on LG UK specifications
In the boxMagic Remote MR20, 2 AA batteries and attached power cableFlush wall mount and Magic Remote; table stand is not included

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