LG OLED B4 vs LG OLED WX

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

Better figure, where one is clearly better

OLED B4 compared with OLED WX
LGOLED B4LGOLED WX
Overview
ReleasedMarch 2024April 2020
Display
PanelOLEDOLED
Panel detailSelf-lit 4K OLED with pixel dimmingWallpaper OLED panel with pixel dimming and an included wall mount; separate all-in-one soundbar/control box
Resolution3840 × 2160 (4K)3840 × 2160 (4K)
Refresh rate120 Hz120 Hz
HDR formatsDolby Vision, HDR10, HLGDolby Vision, HDR10, HLG
HDR extras–Dolby Vision IQ and LG's HDR10 Pro processing; no HDR10+ claim
Picture processingAI Picture Pro, α8 AI Super Upscaling 4K, AI Brightness Control, Dynamic Tone Mapping Pro and Filmmaker ModeAI Picture Pro, AI Brightness Control, 4K upscaling, HDR Dynamic Tone Mapping Pro and Filmmaker Mode
Picture modesPersonalised Picture Wizard, Vivid, Standard, APS, Cinema, Sports, Game, Filmmaker and ISF Expert bright/dark room modes–
Motion handlingNative 120Hz panel; OLED Motion and HDMI 4K 120 fps inputLG Germany explicitly lists a 100/120 Hz native panel, 4K/2K HFR over HDMI, USB and TV reception, and OLED Motion black-frame insertion at 60 Hz
Sizes
Sizes48, 55, 65, 77″65″
Largest size77″ (better)65″
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 Premium, G-Sync CompatibleNone
Auto low latency modeYesYes
HDMI detailFour inputs support 4K 120Hz, VRR, ALLM and QMS; eARC on HDMI 3Four HDMI 2.1 inputs in the separate box; eARC is on HDMI 2. LG Germany explicitly lists VRR, NVIDIA G-SYNC and AMD FreeSync as unsupported on OLED65WX9LA.
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 120HzALLM and HGiG; no VRR support on the exact maker specification
Smart TV and sound
Smart TV platformwebOSwebOS
Processorα8 AI Processor 4Kα9 Gen 3 AI Processor 4K
Speakers20 W, 2.0 channels60 W, 4.2 channels (better)
Dolby AtmosYesYes
eARCYesYes
Wi-FiWi-Fi 5Wi-Fi 5 (802.11ac)
Bluetooth5.15.0
Speaker detailDown-firing 2.0-channel speakersSeparate 60 W, 4.2-channel forward-firing soundbar/control unit, including a 20 W woofer
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 channelsAI Sound Pro with 5.1 upmixing, Clear Voice IV, LG Sound Sync and WiSA wireless speaker compatibility
Voice assistantsBuilt-in Amazon Alexa and LG intelligent voice recognition; supported languages vary by countryBuilt-in Google Assistant and Amazon Alexa on the German specification
CastingApple AirPlay 2, ThinQ remote app and Multi ViewApple AirPlay 2 and HomeKit, LG Screen Share, DIAL and DLNA
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.webOS 5.0. LG UK's rollout table scheduled OLED65WX for the week beginning 13 April 2020; exact first retail day was not verified.
TV tuners–Twin DVB-T2/C/S2 receivers on the German specification
USBTwo USB 2.0 portsThree USB 2.0 ports
EthernetEthernet LAN portOne LAN port
Optical audio outOne optical digital audio outputOne optical digital audio output
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 mmScreen including wall mount 1446 × 823 × 4 mm on LG Germany's specification; box dimensions not stated in that table
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.Included Wallpaper wall mount; LG states this model is not VESA compatible
VESA pattern300 × 200 mm across these UK sizes–
Power useUnder 0.5 W standby; 100–240 V AC, 50–60Hz supplyLG Germany lists 0.5 W standby; EU label lists 145 kWh per 1,000 hours SDR and 269 kWh per 1,000 hours HDR
In the boxMagic Remote MR24, two AA batteries and attached power cableLG Germany lists Wallpaper wall mount; the screen and soundbar/control unit are connected by a cable

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