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LG OLED B6 (2016) vs LG OLED CX

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

Better figure, where one is clearly better

LGOLED B6 (2016)LGOLED CX
Overview
ReleasedMay 2016March 2020
Display
PanelOLEDOLED
Panel detail–Self-lit OLED with pixel dimming
Resolution3840 × 2160 (4K)3840 × 2160 (4K)
Refresh rate120 Hz120 Hz
HDR formatsDolby Vision, HDR10Dolby Vision, HDR10, HLG
HDR extras–Dolby Vision IQ and Dynamic Tone Mapping
Picture processingPerfect Mastering Engine, 3D Color Mapping, pixel dimming, Ultra Luminance, 4K upscaling and active noise reduction. This flat series does not support 3D.AI Picture Pro, Face Enhancing, AI Upscaling, AI Genre Selection and AI Brightness
Picture modes–10 modes, including Filmmaker, Cinema, Game, HDR Effect and ISF Expert Bright Room and Dark Room
Motion handlingNative 120Hz panel (HDTVTest and RTINGS); TruMotion interpolation is separate from HDMI input refresh. No optional black-frame insertion (HDTVTest).OLED Motion Pro; 120Hz panel refresh rate
Sizes
Sizes55, 65″48, 55, 65, 77″
Largest size65″77″
Gaming
HDMI ports4 (0 HDMI 2.1 at 4K 120 Hz+)4 (all HDMI 2.1 at 4K 120 Hz+)
Variable refresh rateNoneHDMI VRR, FreeSync, G-Sync Compatible
Auto low latency mode–Yes
HDMI detailFour HDMI 2.0a inputs with Simplink HDMI CEC; no HDMI 2.1 inputFour HDMI 2.1 ports, 4K 120Hz with 10-bit HDR and 4:4:4 chroma at 40 Gbps (TechRadar); eARC on HDMI 2
Game featuresGame picture mode. RTINGS records the later addition of HDR Game mode in firmware 04.30.77 in January 2017, and a screen-tearing fix in 04.31.10 in March 2017, on its US B6P test unit.G-Sync Compatible, FreeSync, HGiG and Instant Game Response with VRR and ALLM
Smart TV and sound
Smart TV platformwebOSwebOS
Processor–α9 Gen3 AI Processor 4K
Dolby Atmos–Yes
eARC–Yes
Speakers40 W, 4.0 channels–
Wi-FiWi-Fi 5 (802.11ac)Wi-Fi 5
Bluetooth–5.0
Speaker detail40 W, 4.0-channel Harman Kardon sound systemLG UK lists 40 W, 2.2 channels for the 65″ OLED65CX6LA
Audio featuresOLED Surround, Magic Sound Tuning, Smart Sound Mode, Clear Voice III, DTS-HD decoding and wired/wireless Sound SyncAI Sound Pro, AI Acoustic Tuning, Clear Voice IV and Bluetooth Surround Ready
Voice assistants–LG ThinQ AI, Google Assistant and Amazon Alexa; LG says Google Assistant is unavailable in the Republic of Ireland
CastingMiracast, WiDi and DLNA supported; Bluetooth supported but version unpublished–
Software updateswebOS 3.0 with Magic Zoom, Magic Mobile Connection and Multi-view. HDTVTest's UK 55-inch review records firmware 04.30.50 arriving on October 28, 2016, fixing 4K Blu-ray frame skipping and improving HDR tracking. LG's May 24 US press release describes B6 as newly launched and available at retail; month precision records that confirmed regional availability without claiming a worldwide first day.webOS 5.0 at launch
TV tunersUK DVB-T2/C/S2, CI+ 1.3, eight-day programme guide and USB recording/time shiftUK OLED65CX6LA has DVB-T2/T, DVB-C and DVB-S2/S; 2 RF inputs and CI+ 1.4
USBThree USB ports, including one USB 3.0 port3 × USB
EthernetEthernet LAN portEthernet port
Optical audio outOptical digital audio output and headphone/line outputOptical digital audio output; UK OLED65CX6LA also has a shared headphone/line output
Design and power
SizeWithout stand (W × H × D): 55″ 1229 × 715 × 48.6 mm; 65″ 1451 × 838 × 48.6 mmUK 65″ OLED65CX6LA without stand 1449 × 830 × 46.9 mm; with stand 1449 × 862 × 251 mm, 32.6 kg
StandFloating pedestal; with stand (W × H × D): 55″ 1229 × 759 × 225 mm; 65″ 1451 × 882 × 225 mmUK 65″ OLED65CX6LA footprint 998 × 251 mm
VESA pattern300 × 200 mm for both sizesUK 65″ OLED65CX6LA 300 × 200 mm
Power use0.5 W or lower standby; 100–240 V AC, 50–60Hz supplyUnder 0.5 W standby
In the boxMR15R remote, batteries, AV/component adapters, power cable and owner's manualMagic Remote MR20, 2 AA batteries and attached power cable

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