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LG OLED C6 (2016) vs LG OLED CX

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

Better figure, where one is clearly better

LGOLED C6 (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, pixel dimming, Ultra Luminance and 4K upscaling. Curved panel with passive 3D; two pairs of glasses supplied.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 (RTINGS); HDMI input does not accept 120Hz signals. TruMotion interpolation is separate from input refresh.OLED Motion Pro; 120Hz panel refresh rate
Sizes
Sizes55, 65″48, 55, 65, 77″
Largest size65″77″
Gaming
HDMI ports3 (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 detailThree HDMI 2.0a inputs, including ARC (Expert Reviews); 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 addition of HDR Game mode in firmware 04.30.19 in December 2016; this was a later update to its US C6P 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 system in LG's exact Austrian C6V sheetsLG UK lists 40 W, 2.2 channels for the 65″ OLED65CX6LA
Audio featuresOLED Surround, Magic Sound Tuning, 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CastingMiracast, WiDi and DLNA supported; Bluetooth supported but version unpublished–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 and Magic Mobile Connection. The May 2016 What Hi-Fi? review describes UK Freeview Play as a forthcoming update; the October Expert Reviews review confirms it present. LG's May 24 US press release describes C6 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 tunersDVB-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 switchable headphone/line outputOptical digital audio output; UK OLED65CX6LA also has a shared headphone/line output
Design and power
SizeWithout stand (W × H × D), exact LG Austria C6V sheets: 55″ 1225 × 714 × 48.9 mm; 65″ 1446 × 838 × 48.9 mm. UK maker pages were inaccessible.UK 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″ 1225 × 762 × 191 mm; 65″ 1446 × 883 × 237 mmUK 65″ OLED65CX6LA footprint 998 × 251 mm
VESA pattern400 × 200 mm for both sizesUK 65″ OLED65CX6LA 300 × 200 mm
Power use0.5 W standby; 100–240 V AC, 50–60Hz supplyUnder 0.5 W standby
In the boxMagic Motion Remote Control and two pairs of 3D glassesMagic Remote MR20, 2 AA batteries and attached power cable

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