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LG OLED B4 vs LG OLED C1

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

Better figure, where one is clearly better

LGOLED B4LGOLED C1
Overview
ReleasedMarch 2024March 2021
Display
PanelOLEDOLED
Panel detailSelf-lit 4K OLED with pixel dimmingSelf-lit OLED with pixel dimming
Resolution3840 × 2160 (4K)3840 × 2160 (4K)
Refresh rate120 Hz120 Hz
HDR formatsDolby Vision, HDR10, HLGDolby Vision, HDR10, HLG
HDR extras–Dolby Vision IQ and Dynamic Tone Mapping
Picture processingAI Picture Pro, α8 AI Super Upscaling 4K, AI Brightness Control, Dynamic Tone Mapping Pro and Filmmaker ModeAI Picture Pro, Face Enhancing, AI Upscaling, AI Genre Selection and AI Brightness Control
Picture modesPersonalised Picture Wizard, Vivid, Standard, APS, Cinema, Sports, Game, Filmmaker and ISF Expert bright/dark room modes9 modes, including Filmmaker, Cinema, Game and ISF Expert Bright Room and Dark Room
Motion handlingNative 120Hz panel; OLED Motion and HDMI 4K 120 fps inputOLED Motion Pro
Sizes
Sizes48, 55, 65, 77″48, 55, 65, 77, 83″
Largest size77″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, FreeSync, G-Sync Compatible
Auto low latency modeYesYes
HDMI detailFour inputs support 4K 120Hz, VRR, ALLM and QMS; eARC on HDMI 3Four HDMI ports with 4K 120Hz, VRR and ALLM; eARC on HDMI 2
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 120HzG-Sync Compatible, FreeSync Compatible, HGiG and Game Optimiser
Smart TV and sound
Smart TV platformwebOSwebOS
Processorα8 AI Processor 4Kα9 Gen4 AI Processor 4K
Speakers20 W, 2.0 channels–
Dolby AtmosYesYes
eARCYesYes
Wi-FiWi-Fi 5Wi-Fi 5
Bluetooth5.15.0
Speaker detailDown-firing 2.0-channel speakersLG UK lists 40 W, 2.2 channels for the 65″ OLED65C14LB
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 virtual 5.1.2 up-mix, AI Acoustic Tuning, Clear Voice Pro and Bluetooth Surround Ready
Voice assistantsBuilt-in Amazon Alexa and LG intelligent voice recognition; supported languages vary by countryGoogle Assistant and Amazon Alexa
CastingApple AirPlay 2, ThinQ remote app and Multi ViewApple AirPlay 2 and Apple HomeKit
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 6.0 at launch
TV tuners–UK OLED65C14LB has DVB-T2/T, DVB-C and DVB-S2; 2 RF inputs and CI+ 1.4
USBTwo USB 2.0 ports3 × USB
EthernetEthernet LAN portEthernet port
Optical audio outOne optical digital audio outputOptical digital audio output; UK OLED65C14LB also has a shared 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 mmUK 65″ OLED65C14LB without stand 1449 × 830 × 46.9 mm; with stand 1449 × 862 × 251 mm, 32.6 kg
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.UK 65″ OLED65C14LB footprint 998 × 251 mm
VESA pattern300 × 200 mm across these UK sizesUK 65″ OLED65C14LB 300 × 200 mm
Power useUnder 0.5 W standby; 100–240 V AC, 50–60Hz supplyUnder 0.5 W standby
In the boxMagic Remote MR24, two AA batteries and attached power cableMagic Remote MR21N, 2 AA batteries and attached power cable

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