LG OLED B1 vs LG OLED B5

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

Better figure, where one is clearly better

OLED B1 compared with OLED B5
LGOLED B1LGOLED B5
Overview
Released2021March 2025
Display
PanelOLEDOLED
Panel detailSelf-lit OLED with pixel dimming and Ultra Luminance ProSelf-lit 4K OLED with pixel dimming
Resolution3840 × 2160 (4K)3840 × 2160 (4K)
Refresh rate120 Hz120 Hz
HDR formatsDolby Vision, HDR10, HLGDolby Vision, HDR10, HLG
Picture processingAI Picture, AI upscaling, AI Brightness Control, dynamic tone mapping and Filmmaker ModeAI Picture Pro, α8 AI Super Upscaling 4K, AI Brightness Control, Dynamic Tone Mapping Pro and Filmmaker Mode
Picture modes–Personalised Picture Wizard, Vivid, Standard, APS, Cinema, Sports, Game, Filmmaker and ISF Expert bright/dark room modes
Motion handlingNative 120Hz panel and OLED Motion ProNative 120Hz panel; OLED Motion and HDMI 4K 120 fps input
Sizes
Sizes55, 65, 77″48, 55, 65, 77, 83″
Largest size77″83″ (better)
Gaming
HDMI ports4 (2 HDMI 2.1 at 4K 120 Hz+)4 (all HDMI 2.1 at 4K 120 Hz+) (better)
Variable refresh rateHDMI VRR, FreeSync, G-Sync CompatibleHDMI VRR, FreeSync Premium, G-Sync Compatible
Auto low latency modeYesYes
HDMI detailFour HDMI inputs; HIFI.DE and Les Numériques identify HDMI 3 and 4 as the two 4K 120Hz inputs, with HDMI 1 and 2 limited to HDMI 2.0. LG specifies eARC on HDMI 3.Four inputs support 4K 120Hz, VRR, ALLM and QMS; eARC on HDMI 3
Variable refresh range–LG specifies VRR up to 120Hz
Game featuresGame Optimiser, HGiG, NVIDIA G-SYNC Compatible and AMD FreeSync supportGame Optimiser and Dashboard, HGiG, AMD FreeSync Premium, NVIDIA G-SYNC Compatible and Dolby Vision gaming at 4K 120Hz
Cloud gaming–Xbox 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
Processorα7 Gen4 Processor 4Kα8 AI Processor 4K Gen2
Speakers40 W, 2.2 channels (better)20 W, 2.0 channels
Dolby AtmosYesYes
eARCYesYes
Wi-FiWi-Fi 5 (802.11ac)Wi-Fi 6
Bluetooth5.05.3
Speaker detailDown-firing 2.2-channel speakers; 20 W woofer output within the 40 W totalDown-firing 2.0-channel speakers
Audio featuresAI Sound, acoustic tuning, Clear Voice, Bluetooth Surround Ready and WiSA 2.1-channel supportα8 AI Sound Pro with virtual 9.1.2 up-mixing, acoustic tuning, Clear Voice Pro, Bluetooth Surround Ready and WiSA up to 2.1 channels
Voice assistantsLG voice search, Google Assistant and Amazon AlexaLG intelligent voice recognition and Voice ID; AI Search, AI Chatbot, AI Concierge and picture/sound wizards; regional language and account restrictions apply
CastingAirPlay 2, Apple HomeKit, screen sharing and ThinQ appGoogle Cast, Apple AirPlay, Apple Home, ThinQ remote app and Multi View
Software updateswebOS 6.0. LG's February 2021 global rollout announcement identifies B1 but leaves individual market launch dates for later announcements; the first on-sale month remains unconfirmed.webOS 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.
TV tunersUK DVB-T/T2, DVB-C and DVB-S2; CI+ 1.4, eight-day programme guide and USB recording/time shiftDVB-T/T2, DVB-C and DVB-S/S2. LG specifies the CI slot is excluded for the UK and Ireland.
USBThree USB portsTwo USB 2.0 ports
EthernetEthernet LAN portEthernet LAN port
Optical audio outOptical digital audio output and shared headphone/line outputOne optical digital audio output
Design and power
SizeWithout stand (W × H × D): 55″ 1228 × 706 × 46.9 mm; 65″ 1449 × 830 × 46.9 mm; 77″ 1723 × 993 × 55 mmWithout 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): 55″ 1228 × 744 × 246 mm, 19.9 kg; 65″ 1449 × 869 × 246 mm, 25 kg; 77″ 1723 × 1043 × 270 mm, 30 kg. Stand footprint 559 × 246 mm for 55/65″ and 749 × 270 mm for 77″.With 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 pattern55/65″ 300 × 200 mm; 77″ 400 × 200 mm48/55/65/77″ 300 × 200 mm; 83″ 400 × 400 mm
Power useUnder 0.5 W standby; 100–240 V AC, 50–60Hz supplyUnder 0.5 W standby; 100–240 V AC, 50–60Hz supply
In the boxMR21 Magic Remote, batteries and detachable power cableMagic 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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