Request a product

LG OLED CX vs Sony X900H / XH90

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

Better figure, where one is clearly better

LGOLED CXSonyX900H / XH90
Overview
ReleasedMarch 20202020
Display
PanelOLEDLED LCD
Panel detailSelf-lit OLED with pixel dimming–
Resolution3840 × 2160 (4K)3840 × 2160 (4K)
Refresh rate120 Hz120 Hz
HDR formatsDolby Vision, HDR10, HLGHDR10, HLG, Dolby Vision
HDR extrasDolby Vision IQ and Dynamic Tone Mapping–
Picture processingAI Picture Pro, Face Enhancing, AI Upscaling, AI Genre Selection and AI Brightness4K HDR Processor X1, TRILUMINOS Display, Live Colour, Precision Colour Mapping, X-tended Dynamic Range, Object-based HDR Remaster and 4K X-Reality PRO. Full-array LED local dimming; no maker-published zone count.
Picture modes10 modes, including Filmmaker, Cinema, Game, HDR Effect and ISF Expert Bright Room and Dark RoomCustom, Cinema, Game, Graphics, Photo, Dolby Vision Bright/Dark and Netflix Calibrated.
Motion handlingOLED Motion Pro; 120Hz panel refresh rateX-Motion Clarity. Current Sony firmware adds 4K 120 Hz signal support; the original video-signal table still lists 4K only up to 60 Hz. RTINGS reports blurred text/halved vertical detail in some 4K 120 Hz modes, so signal support does not assert uncompromised full-resolution rendering.
Sizes
Sizes48, 55, 65, 77″55, 65, 75, 85″
Largest size77″85″
Gaming
HDMI ports4 (all HDMI 2.1 at 4K 120 Hz+)4 (2 HDMI 2.1 at 4K 120 Hz+)
Variable refresh rateHDMI VRR, FreeSync, G-Sync CompatibleHDMI VRR
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 side HDMI inputs; HDMI 3/4 provide the two HDMI 2.1 inputs (exact reviews/RTINGS), with eARC on HDMI 3. Maker UK specifications list 4K120/eARC/VRR/ALLM with update footnotes, while the old ARC row says ARC only. Sony’s applicable-model firmware record explicitly adds 4K 120 Hz, eARC and VRR.
Game featuresG-Sync Compatible, FreeSync, HGiG and Instant Game Response with VRR and ALLMALLM after firmware, confirmed by RTINGS’s March 2022 test update and maker’s specified feature list. RTINGS reports that VRR disables local dimming and Dolby Vision; Dolby Vision and 4K 120 Hz require different HDMI modes. No FreeSync or certified G-Sync main entry is assigned.
Smart TV and sound
Smart TV platformwebOSAndroid TV
Processorα9 Gen3 AI Processor 4K4K HDR Processor X1
Dolby AtmosYesYes
eARCYesYes
Wi-FiWi-Fi 5Wi-Fi 5 (802.11ac)
Bluetooth5.04.2
Speaker detailLG UK lists 40 W, 2.2 channels for the 65″ OLED65CX6LAUK 65-inch: Acoustic Multi-Audio with two bass-reflex full-range speakers and two sound-positioning tweeters, X-Balanced Speaker and 10 W + 10 W (20 W). T3 names 20 W for its tested UK 75-inch. Other size amplifier figures are not borrowed.
Audio featuresAI Sound Pro, AI Acoustic Tuning, Clear Voice IV and Bluetooth Surround ReadyDolby Atmos and DTS Digital Surround. Atmos support does not mean physical overhead speakers.
Voice assistantsLG ThinQ AI, Google Assistant and Amazon Alexa; LG says Google Assistant is unavailable in the Republic of IrelandVoice remote with Google Assistant; compatible Alexa/Google smart speakers require separate devices.
Casting–Chromecast built-in, Apple AirPlay and HomeKit.
Software updateswebOS 5.0 at launchAndroid TV; maker firmware v6.2322 cumulative notes document upgrade from Android 9 to Android 10, Apple TV app, eARC, 4K 120 Hz and VRR additions. The selected current update v6.2624 further improves security and performance.
TV tunersUK OLED65CX6LA has DVB-T2/T, DVB-C and DVB-S2/S; 2 RF inputs and CI+ 1.4UK twin DVB-T/T2, DVB-C and DVB-S/S2 tuners; analogue and CI+. Regional US tuner conventions are not applied.
USB3 × USB2 × side USB; USB HDD recording supported.
EthernetEthernet port1 × side Ethernet LAN.
Optical audio outOptical digital audio output; UK OLED65CX6LA also has a shared headphone/line output1 × side digital audio output; side headphone output also provided.
Design and power
SizeUK 65″ OLED65CX6LA without stand 1449 × 830 × 46.9 mm; with stand 1449 × 862 × 251 mm, 32.6 kgUK models without stand, W × H × D: 55-inch 123.1 × 71.0 × 7.0 cm; 65-inch 145.0 × 83.3 × 7.0 cm; 75-inch 167.4 × 96.1 × 7.1 cm; 85-inch 189.9 × 108.9 × 7.2 cm. With-stand weights 17.5, 23.2, 34.4 and 47.7 kg respectively. Configuration weights exclude the stand.
StandUK 65″ OLED65CX6LA footprint 998 × 251 mmUK Metal Blade Stand widths: 55-inch 105.3 cm, 65-inch 112.8 cm, 75-inch 132.1 cm and 85-inch 152.7 cm. With-stand W × H × D: 123.1 × 78.0 × 33.8, 145.0 × 90.3 × 33.8, 167.4 × 103.4 × 41.0 and 189.9 × 116.2 × 44.1 cm respectively.
VESA patternUK 65″ OLED65CX6LA 300 × 200 mm55/65/75-inch 300 × 300 mm; 85-inch 400 × 400 mm.
Power useUnder 0.5 W standbyUK 55-inch 116 kWh per 1000 hours; 65-inch 143. UK 65-inch standby 0.50 W; network standby 2.00 W over Wi-Fi/LAN or 0.50 W over HDMI-CEC.
Colours–Black aluminium bezel and dark-silver stand.
In the boxMagic Remote MR20, 2 AA batteries and attached power cableTable-top stand, voice remote, batteries, power cord and instructions. UK model codes are XH9005, with XH9096 for 85-inch; X900H is the North American family name. Maker US 20 April 2020 record offered 65/75-inch pre-orders and planned summer 55/85-inch ordering, not first sale. Maker China’s March/April release says its spring family launched first there, without an exact X9000H sale date; T3 gives only summer 2020. Release remains conservative 2020 after this bounded gap.

More comparisons