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LG OLED B5 vs LG OLED E9

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

Better figure, where one is clearly better

LGOLED B5LGOLED E9
Overview
ReleasedMarch 20252019
Display
PanelOLEDOLED
Panel detailSelf-lit 4K OLED with pixel dimmingPicture-on-Glass OLED panel with pixel dimming
Resolution3840 × 2160 (4K)3840 × 2160 (4K)
Refresh rate120 Hz120 Hz
HDR formatsDolby Vision, HDR10, HLGDolby Vision, HDR10, HLG
HDR extras–LG also lists Advanced HDR by Technicolor; HDR10 Pro is LG processing for HDR10, not HDR10+
Peak brightness–AVForums measured just under 700 nits on 1–10% HDR windows on the 55E9; review measurement, not an LG claim
Picture processingAI Picture Pro, α8 AI Super Upscaling 4K, AI Brightness Control, Dynamic Tone Mapping Pro and Filmmaker Modeα9 Gen 2 with AI Picture, AI Brightness, Quad Step Noise Reduction, 4K upscaling, True Colour Accuracy Pro and HDR Dynamic Tone Mapping Pro
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 lists OLED Motion Pro and 4K high-frame-rate playback; its launch UK sheet says 4K HFR via HDMI would receive an update
Sizes
Sizes48, 55, 65, 77, 83″55, 65″
Largest size83″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 CompatibleHDMI VRR, G-Sync Compatible
Auto low latency modeYesYes
HDMI detailFour inputs support 4K 120Hz, VRR, ALLM and QMS; eARC on HDMI 3Four HDMI 2.1 inputs, one rear and three side; eARC on HDMI 2. AVForums confirms all four can handle 4K 120Hz after the advertised HDMI HFR update.
Variable refresh rangeLG specifies VRR up to 120HzHDMI variable refresh rate supported; LG did not publish a range in the UK spec table
Input lag–AVForums measured 12.8 ms in game mode on the OLED55E9
Game featuresGame Optimiser and Dashboard, HGiG, AMD FreeSync Premium, NVIDIA G-SYNC Compatible and Dolby Vision gaming at 4K 120HzInstant Game Response with VRR and ALLM. LG later announced G-SYNC Compatible support for 2019 E9 models via firmware; it was not a launch feature.
Cloud gamingXbox Cloud Gaming requires internet, Game Pass Ultimate and a compatible Bluetooth controller; available in supported regions including the UK. App and service availability varies by country.–
Smart TV and sound
Smart TV platformwebOSwebOS
Processorα8 AI Processor 4K Gen2α9 Gen 2 Intelligent Processor
Speakers20 W, 2.0 channels60 W, 4.2 channels
Dolby AtmosYesYes
eARCYesYes
Wi-FiWi-Fi 6Wi-Fi 5 (802.11ac)
Bluetooth5.35.0
Speaker detailDown-firing 2.0-channel speakersFront-firing 4.2-channel, 60 W system including 20 W of woofer power
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 channelsDolby Atmos, AI Sound, Dolby Surround, DTS decoding, LG Sound Sync and WiSA speaker compatibility
Voice assistantsLG intelligent voice recognition and Voice ID; AI Search, AI Chatbot, AI Concierge and picture/sound wizards; regional language and account restrictions applyLG UK lists Google Assistant; its spec table says Alexa compatibility requires the later 2019 Magic Remote revision. LG's March launch announcement describes Alexa as a later firmware update.
CastingGoogle Cast, Apple AirPlay, Apple Home, ThinQ remote app and Multi ViewLG UK lists Apple AirPlay 2, a mid-2019 update according to its launch announcement
Software updateswebOS 25; webOS Re:New supports upgrades for up to five years, varying by model and region, with security support through 31 December 2029. LG Australia's March 19, 2025 launch confirms local availability and lists 48/55/65-inch B5 availability that day. Release records the first confirmed series month; LG's May 12 US release lists 55/65/77-inch models available now and the 83-inch model for preorder. TechRadar's July/August regional date does not override the earlier maker evidence.webOS with Magic Remote and ThinQ AI. LG's March 2019 press expected the 65-inch E9 at US dealers in April; UK reporting listed 29 April for OLED65E9PLA. Neither established actual first sale, so release uses year precision.
TV tunersDVB-T/T2, DVB-C and DVB-S/S2. LG specifies the CI slot is excluded for the UK and Ireland.UK DVB-T2/C/S2 with HbbTV, EPG and digital recording
USBTwo USB 2.0 portsThree USB ports, two rear and one side
EthernetEthernet LAN portRear Ethernet LAN port
Optical audio outOne optical digital audio outputRear optical digital audio and headphone/line 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 mm; 83″ 1842 × 1055 × 52.9 mmWithout stand (W × H × D): 55″ 1226 × 753 × 50.3 mm; 65″ 1447 × 877 × 50.3 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; 83″ 1842 × 1144/1084 × 300 mm, 27.7 kg (two published stand heights). Stand footprint: 48″ 933 × 235 mm; 55/65″ 1057 × 235 mm; 77″ 1403 × 319 mm; 83″ 1477 × 300 mm.With stand (W × H × D): 55″ 1226 × 753 × 220 mm; 65″ 1447 × 877 × 220 mm. The published weights in configurations include the stand.
VESA pattern48/55/65/77″ 300 × 200 mm; 83″ 400 × 400 mm300 × 200 mm on both sizes
Power useUnder 0.5 W standby; 100–240 V AC, 50–60Hz supplyLG UK lists standby below 0.5 W
In the boxMagic Remote MR25GA / MR25GB (UK and Italy) and attached power cable; TechRadar distinguishes the UK remote with AI button from the streamlined US remoteMR19 Magic Remote, two AA batteries and attached power cable

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