LG OLED B4 vs Sony BRAVIA 8 II

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

Better figure, where one is clearly better

OLED B4 compared with BRAVIA 8 II
LGOLED B4SonyBRAVIA 8 II
Overview
ReleasedMarch 2024June 2025
Display
PanelOLEDQD-OLED
Panel detailSelf-lit 4K OLED with pixel dimming–
Resolution3840 × 2160 (4K)3840 × 2160 (4K)
Refresh rate120 Hz120 Hz
HDR formatsDolby Vision, HDR10, HLGDolby Vision, HDR10, HLG
HDR extras–IMAX 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, α8 AI Super Upscaling 4K, AI Brightness Control, Dynamic Tone Mapping Pro and Filmmaker ModeXR Contrast Booster 25, XR 4K Upscaling, AI scene recognition, ambient light sensor
Picture modesPersonalised Picture Wizard, Vivid, Standard, APS, Cinema, Sports, Game, Filmmaker and ISF Expert bright/dark room modesVivid, 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 handlingNative 120Hz panel; OLED Motion and HDMI 4K 120 fps inputXR OLED Motion
Sizes
Sizes48, 55, 65, 77″55, 65″
Largest size77″ (better)65″
Gaming
HDMI ports4 (all HDMI 2.1 at 4K 120 Hz+) (better)4 (2 HDMI 2.1 at 4K 120 Hz+)
Variable refresh rateHDMI VRR, FreeSync Premium, G-Sync CompatibleHDMI VRR
Auto low latency modeYesYes
HDMI detailFour inputs support 4K 120Hz, VRR, ALLM and QMS; eARC on HDMI 3HDMI 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)
Variable refresh rangeLG specifies 40–120Hz–
Game featuresGame Optimiser and Dashboard, HGiG, AMD FreeSync Premium, NVIDIA G-SYNC Compatible and Dolby Vision gaming at 4K 120HzGame 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
Processorα8 AI Processor 4KXR Processor
Speakers20 W, 2.0 channels50 W, 2.2 channels (better)
Dolby AtmosYesYes
DTS:X–Yes
eARCYesYes
Wi-FiWi-Fi 5Wi-Fi 6E
Bluetooth5.15.3
Speaker detailDown-firing 2.0-channel speakersAcoustic Surface Audio+ with 2 actuators and 2 subwoofers, 15 W + 15 W + 10 W + 10 W
Audio featuresα8 AI Sound Pro with virtual 9.1.2 up-mixing, acoustic tuning, Clear Voice Pro, Bluetooth Surround Ready and WiSA up to 2.1 channelsAcoustic Center Sync, Voice Zoom 3, 3D Surround Upscaling, S-Force Front Surround, automatic room and position sound calibration, S-Master digital amplifier
Voice assistantsBuilt-in Amazon Alexa and LG intelligent voice recognition; supported languages vary by countryGoogle Assistant built in with hands-free voice search; works with Alexa and Apple HomeKit
CastingApple AirPlay 2, ThinQ remote app and Multi ViewGoogle Cast, Apple AirPlay
TV tuners–DVB-T/T2, DVB-C and DVB-S/S2; 2 terrestrial/cable and 2 satellite digital tuners; CI+
Software updateswebOS 24; LG states four upgrades over five years with regional scheduling differences and security support through 31 December 2028. LG Australia's March 2024 launch notice confirms the range available now and lists 55/65-inch B4 March availability; release records that first confirmed series month, not a universal UK size-specific date.–
USBTwo USB 2.0 ports2 × USB; USB hard disk recording
EthernetEthernet LAN port1 × Ethernet
Optical audio outOne optical digital audio output1 × optical digital audio out (shared with the S-Center speaker input)
Design and power
SizeWithout stand (W × H × D): 48″ 1070 × 620 × 45.9 mm; 55″ 1228 × 708 × 45.9 mm; 65″ 1449 × 832 × 45.9 mm; 77″ 1719 × 989 × 50.9 mmWithout stand, 55″ 1224 × 707 × 34 mm; 65″ 1443 × 830 × 34 mm
StandWith stand (W × H × D; weight): 48″ 1070 × 684 × 235 mm, 11.7 kg; 55″ 1228 × 772 × 235 mm, 14.5 kg; 65″ 1449 × 896 × 235 mm, 17.3 kg; 77″ 1719 × 1057 × 319 mm, 23.5 kg. Stand footprint: 48″ 933 × 235 mm; 55/65″ 1057 × 235 mm; 77″ 1403 × 319 mm.Aluminum Edge Stand with two heights (standard and soundbar)
VESA pattern300 × 200 mm across these UK sizes300 × 300 mm
Power useUnder 0.5 W standby; 100–240 V AC, 50–60Hz supply55″ 334 W, 65″ 418 W rated; 0.5 W standby
Colours–Black
In the boxMagic Remote MR24, two AA batteries and attached power cable–

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