LG OLED B8 vs LG OLED C8

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

Better figure, where one is clearly better

OLED B8 compared with OLED C8
LGOLED B8LGOLED C8
Overview
Released2018March 2018
Display
PanelOLEDOLED
Resolution3840 × 2160 (4K)3840 × 2160 (4K)
Refresh rate120 Hz120 Hz
HDR formatsDolby Vision, HDR10, HLGDolby Vision, HDR10, HLG
HDR extrasAdvanced HDR by Technicolor also supportedAdvanced HDR by Technicolor also supported
Picture processing4K Upscaler, adaptive colour enhancement, noise reduction and enhanced dynamic tone mappingQuad Step noise reduction, 4K Upscaler, adaptive colour enhancement and enhanced dynamic tone mapping
Motion handlingNative 120Hz panel with motion interpolation and Motion Pro black-frame insertion (RTINGS). HDMI does not accept 4K at 120Hz; What Hi-Fi? reports internal HFR playback cannot combine HFR with HDR on the α7 processor.120Hz panel with interpolation to 120fps (RTINGS); 4K HDMI input is limited to 60Hz. OLED Motion black-frame insertion is available.
Sizes
Sizes55, 65″55, 65, 77″
Largest size65″77″ (better)
Gaming
HDMI ports4 (0 HDMI 2.1 at 4K 120 Hz+)4 (0 HDMI 2.1 at 4K 120 Hz+)
Variable refresh rateNoneNone
HDMI detailFour HDMI 2.0 inputs, one rear and three side; ARC on HDMI 2. No full-bandwidth HDMI 2.1 input (What Hi-Fi?).Four HDMI inputs, one rear and three side; ARC on HDMI 2. No HDMI 2.1 or VRR support (RTINGS).
Game featuresGame picture mode; no variable refresh rate (RTINGS)Game picture mode; no variable refresh rate (RTINGS)
Smart TV and sound
Smart TV platformwebOSwebOS
Processorα7 Intelligent Processorα9 Intelligent Processor
Speakers–40 W, 2.2 channels
Dolby AtmosYesYes
Wi-FiWi-Fi 5 (802.11ac)Wi-Fi 5 (802.11ac)
Bluetooth4.24.2
Speaker detailUK PLA models: 40 W 2.2-channel system with two woofers; UK SLC models: 20 W 2.0-channel system. Both are down-firing.Two woofers; front-firing with stand and down-firing without stand
Audio featuresClear Voice III, One Touch Sound Tuning, adaptive sound control and DTS decodingClear Voice III, adaptive sound control and DTS decoding. RTINGS confirms Dolby Atmos over Dolby Digital Plus through ARC, but not Dolby TrueHD Atmos passthrough.
Voice assistantsUK Google Assistant requires software update and is unavailable in the Republic of Ireland; compatible Google Home and Alexa devices sold separately, with the same stated regional restrictionUK Google Assistant requires software update and is unavailable in the Republic of Ireland; compatible Google Home and Alexa devices sold separately, with the same stated regional restriction
Software updatesLG's 2018 lineup announcement confirms the B8 series; an exact earliest on-sale month was not established, so release retains year precision.LG's US launch release schedules the 55″ and 65″ for the week of 19 March 2018 and the 77″ for April; release uses month precision, not an inferred first delivery day.
TV tunersUK DVB-T2/C/S2UK DVB-T2/C/S2
USBThree USB ports, two rear and one sideThree USB ports, two rear and one side
EthernetEthernet LAN portEthernet LAN port
Optical audio outOptical digital audio output and headphone output on UK modelsOptical digital audio output and headphone output on UK models
Design and power
SizeWithout stand (W × H × D): both 55″ variants 1228 × 707 × 47 mm; both 65″ variants 1449 × 831 × 47 mmWithout stand (W × H × D): 55″ 1228 × 707 × 47 mm; 65″ 1449 × 831 × 47 mm; 77″ 1722 × 991 × 56 mm. Exact LG Poland and Ukraine PLA sheets supply the 77-inch measurements.
StandPLA Alpine stand versus SLC Crescent stand (LG confirmation in What Hi-Fi?). With stand (W × H × D): 55″ PLA 1228 × 752 × 220 mm; 55″ SLC 1228 × 776 × 319 mm; 65″ PLA 1449 × 876 × 220 mm; 65″ SLC 1449 × 901 × 319 mm.With stand (W × H × D): 55″ 1228 × 757 × 230 mm; 65″ 1449 × 881 × 230 mm; 77″ 1722 × 1052 × 253 mm
VESA pattern300 × 200 mm for both sizes and variants55″ and 65″: 300 × 200 mm; 77″: 400 × 200 mm
In the boxMR18 Magic Remote, two AA batteries and attached power cableMR18 Magic Remote, two AA batteries and attached power cable

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