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LG OLED B5 vs LG OLED B6

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

Better figure, where one is clearly better

LGOLED B5LGOLED B6
Overview
ReleasedMarch 2025March 2026
Display
PanelOLEDOLED
Panel detailSelf-lit 4K OLED with pixel dimmingWOLED
Resolution3840 × 2160 (4K)3840 × 2160 (4K)
Refresh rate120 Hz120 Hz
HDR formatsDolby Vision, HDR10, HLGDolby Vision, HDR10
Screen finish–Glossy
Peak brightness–695 nits in HDR on a 10% window, 65″ (Tom's Guide)
Picture processingAI Picture Pro, α8 AI Super Upscaling 4K, AI Brightness Control, Dynamic Tone Mapping Pro and Filmmaker ModeAI HDR Remastering
Picture modesPersonalised Picture Wizard, Vivid, Standard, APS, Cinema, Sports, Game, Filmmaker and ISF Expert bright/dark room modesAmbient FILMMAKER MODE
Motion handlingNative 120Hz panel; OLED Motion and HDMI 4K 120 fps input–
Sizes
Sizes48, 55, 65, 77, 83″48, 55, 65, 77, 83″
Largest size83″83″
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, FreeSync Premium
Auto low latency modeYesYes
HDMI detailFour inputs support 4K 120Hz, VRR, ALLM and QMS; eARC on HDMI 34K 120 Hz on all four ports; eARC on one
Variable refresh rangeLG specifies VRR up to 120Hz–
Game featuresGame Optimiser and Dashboard, HGiG, AMD FreeSync Premium, NVIDIA G-SYNC Compatible and Dolby Vision gaming at 4K 120HzUp to 4K 120 Hz; G-SYNC Compatible, FreeSync Premium, VRR; Bluetooth Ultra Low Latency controllers (under 2.5 ms)
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 Gen2alpha 8 AI Processor 4K Gen3
Speakers20 W, 2.0 channels–
Dolby AtmosYesYes
DTS:X–No
eARCYesYes
Wi-FiWi-Fi 6–
Bluetooth5.3–
Speaker detailDown-firing 2.0-channel speakers–
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 channelsVirtual 11.1.2 ch, AI Object Remastering Pro, Dolby Atmos
Voice assistantsLG intelligent voice recognition and Voice ID; AI Search, AI Chatbot, AI Concierge and picture/sound wizards; regional language and account restrictions apply–
CastingGoogle Cast, Apple AirPlay, Apple Home, ThinQ remote app and Multi View–
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 26; webOS Re:New Program upgrades for up to 5 years
TV tunersDVB-T/T2, DVB-C and DVB-S/S2. LG specifies the CI slot is excluded for the UK and Ireland.–
USBTwo USB 2.0 ports–
EthernetEthernet LAN port–
Optical audio outOne 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 mm; 83″ 1842 × 1055 × 52.9 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.–
VESA pattern48/55/65/77″ 300 × 200 mm; 83″ 400 × 400 mm–
Power useUnder 0.5 W standby; 100–240 V AC, 50–60Hz supply–
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 remote–

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