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LG OLED CX vs Sony BRAVIA 8 II

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

Better figure, where one is clearly better

LGOLED CXSonyBRAVIA 8 II
Overview
ReleasedMarch 2020June 2025
Display
PanelOLEDQD-OLED
Panel detailSelf-lit OLED with pixel dimming–
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 MappingIMAX Enhanced
Screen finish–Low-reflection film
Peak brightness–About 1,800 cd/m² calibrated and up to 2,200 cd/m² in Vivid mode, HDR (FlatpanelsHD, 65″)
Colour range–XR Triluminos Max
Picture processingAI Picture Pro, Face Enhancing, AI Upscaling, AI Genre Selection and AI BrightnessXR Contrast Booster 25, XR 4K Upscaling, AI scene recognition, ambient light sensor
Picture modes10 modes, including Filmmaker, Cinema, Game, HDR Effect and ISF Expert Bright Room and Dark RoomVivid, Standard, Cinema, Professional, Calm, Photo, IMAX Enhanced, Dolby Vision (Vivid, Bright, Dark, Game), FPS Game, RTS Game; Studio Calibrated modes for Netflix, Prime Video and Sony Pictures Core
Motion handlingOLED Motion Pro; 120Hz panel refresh rateXR OLED Motion
Sizes
Sizes48, 55, 65, 77″55, 65″
Largest size77″65″
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 2HDMI 2.1 features: 4K 120 fps, eARC, VRR, ALLM, SBTM (Source-Based Tone Mapping); HDCP 2.3 on all four inputs
Input lag–17 ms at 60 Hz, about half that at 120 Hz (FlatpanelsHD)
Game featuresG-Sync Compatible, FreeSync, HGiG and Instant Game Response with VRR and ALLMGame Menu; Auto HDR Tone Mapping and Auto Genre Picture Mode with a PS5; Dolby Vision Game mode
Smart TV and sound
Smart TV platformwebOSGoogle TV
Processorα9 Gen3 AI Processor 4KXR Processor
Speakers–50 W, 2.2 channels
Dolby AtmosYesYes
DTS:X–Yes
eARCYesYes
Wi-FiWi-Fi 5Wi-Fi 6E
Bluetooth5.05.3
Speaker detailLG UK lists 40 W, 2.2 channels for the 65″ OLED65CX6LAAcoustic Surface Audio+ with 2 actuators and 2 subwoofers, 15 W + 15 W + 10 W + 10 W
Audio featuresAI Sound Pro, AI Acoustic Tuning, Clear Voice IV and Bluetooth Surround ReadyAcoustic Center Sync, Voice Zoom 3, 3D Surround Upscaling, S-Force Front Surround, automatic room and position sound calibration, S-Master digital amplifier
Voice assistantsLG ThinQ AI, Google Assistant and Amazon Alexa; LG says Google Assistant is unavailable in the Republic of IrelandGoogle Assistant built in with hands-free voice search; works with Alexa and Apple HomeKit
Casting–Google Cast, Apple AirPlay
Software updateswebOS 5.0 at launch–
TV tunersUK OLED65CX6LA has DVB-T2/T, DVB-C and DVB-S2/S; 2 RF inputs and CI+ 1.4DVB-T/T2, DVB-C and DVB-S/S2; 2 terrestrial/cable and 2 satellite digital tuners; CI+
USB3 × USB2 × USB; USB hard disk recording
EthernetEthernet port1 × Ethernet
Optical audio outOptical digital audio output; UK OLED65CX6LA also has a shared headphone/line output1 × optical digital audio out (shared with the S-Center speaker input)
Design and power
SizeUK 65″ OLED65CX6LA without stand 1449 × 830 × 46.9 mm; with stand 1449 × 862 × 251 mm, 32.6 kgWithout stand, 55″ 1224 × 707 × 34 mm; 65″ 1443 × 830 × 34 mm
StandUK 65″ OLED65CX6LA footprint 998 × 251 mmAluminum Edge Stand with two heights (standard and soundbar)
VESA patternUK 65″ OLED65CX6LA 300 × 200 mm300 × 300 mm
Power useUnder 0.5 W standby55″ 334 W, 65″ 418 W rated; 0.5 W standby
Colours–Black
In the boxMagic Remote MR20, 2 AA batteries and attached power cable–

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