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LG OLED C6 (2016) vs LG OLED C9

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

Better figure, where one is clearly better

LGOLED C6 (2016)LGOLED C9
Overview
ReleasedMay 20162019
Display
PanelOLEDOLED
Resolution3840 × 2160 (4K)3840 × 2160 (4K)
Refresh rate120 Hz120 Hz
HDR formatsDolby Vision, HDR10Dolby Vision, HDR10, HLG
HDR extras–Advanced HDR by Technicolor also supported
Picture processingPerfect Mastering Engine, pixel dimming, Ultra Luminance and 4K upscaling. Curved panel with passive 3D; two pairs of glasses supplied.AI Picture, AI Brightness, 4K Upscaler and dynamic tone mapping
Motion handlingNative 120Hz panel (RTINGS); HDMI input does not accept 120Hz signals. TruMotion interpolation is separate from input refresh.Native 120Hz (Trusted Reviews). Original UK sheets retain the launch wording that 4K HFR via HDMI would be enabled by update.
Sizes
Sizes55, 65″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, 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 inputs, one rear and three side; 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.HDMI VRR and ALLM. G-Sync Compatible was a post-launch update; LG's November 2019 rollout began in North America, followed by Europe and other regions, so firmware availability differed by country.
Smart TV and sound
Smart TV platformwebOSwebOS
Processor–α9 Gen2 Intelligent Processor
Speakers40 W, 4.0 channels40 W, 2.2 channels
Dolby Atmos–Yes
eARC–Yes
Wi-FiWi-Fi 5 (802.11ac)Wi-Fi 5 (802.11ac)
Bluetooth–5.0
Speaker detail40 W, 4.0-channel Harman Kardon sound system in LG's exact Austrian C6V sheets–
Audio featuresOLED Surround, Magic Sound Tuning, Clear Voice III, DTS-HD decoding and wired/wireless Sound SyncDolby Atmos, AI Sound, Clear Voice III and DTS decoding
CastingMiracast, WiDi and DLNA supported; Bluetooth supported but version unpublishedApple AirPlay 2; introduced through a post-launch update
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.Launch webOS 4.5. Release year is conservative because LG's Australian launch table schedules 55″ and 65″ for March and 77″ for April, while the surrounding text says the range starts in April. The US schedule gives April for 55″ and 65″ and May for 77″; these schedules do not establish a single actual first shipping day.
TV tunersDVB-T2/C/S2, CI+ 1.3, eight-day programme guide and USB recording/time shift–
USBThree USB ports, including one USB 3.0 portThree USB ports, two rear and one side
EthernetEthernet LAN portEthernet LAN port
Optical audio outOptical digital audio output and switchable headphone/line outputOptical digital audio output; headphone output also fitted
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.Without stand (W × H × D): 55″ 1228 × 706 × 46.9 mm; 65″ 1449 × 830 × 46.9 mm; 77″ 1722 × 991 × 56 mm
StandFloating pedestal; with stand (W × H × D): 55″ 1225 × 762 × 191 mm; 65″ 1446 × 883 × 237 mmStand width: 55″ and 65″ 998 mm; 77″ 1189 mm
VESA pattern400 × 200 mm for both sizes55″ and 65″: 300 × 200 mm; 77″: 400 × 200 mm
Power use0.5 W standby; 100–240 V AC, 50–60Hz supply–
In the boxMagic Motion Remote Control and two pairs of 3D glassesMR19 Magic Remote, two AA batteries and attached power cable

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