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LG OLED evo C6 vs Samsung QLED Q9F (2017)

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

Better figure, where one is clearly better

LGOLED evo C6SamsungQLED Q9F (2017)
Overview
ReleasedMarch 20262017
Display
PanelOLEDLED LCD
Panel detailWOLED; 77″ and 83″ use a Primary RGB Tandem panel with Hyper Radiant Colour TechFlat quantum-dot LED-backlit LCD. TechRadar and Les Numériques identify the reviewed 65-inch panel as side edge-lit; Samsung's UK tables do not publish a native refresh rate or backlight layout for every size.
Resolution3840 × 2160 (4K)3840 × 2160 (4K)
Refresh rate165 Hz–
HDR formatsDolby Vision, HDR10, HLGHDR10, HDR10+, HLG
HDR extrasDolby Vision IQSamsung's UK 65-inch table says QHDR 2000 and the 88-inch table QHDR 1500; these are product labels, not measured peak brightness. TechRadar says HLG and HDR10+ were awaiting firmware at review time. Samsung later confirmed HDR10+ on its 2017 UHD TV range through Prime Video; support from other sources is not established here.
Screen finishGlossyMoth Eye anti-reflection treatment in both available UK maker tables.
Colour range–Samsung's 2017 QLED launch claimed 100% colour volume. Les Numériques measured strong colour on its exact European 65-inch unit but found its Cinema-mode colour error above its preferred threshold; neither figure is assigned to other sizes.
Peak brightness1,251 nits in HDR on a 10% window, 65″ (Tom's Guide)–
Picture processingAI Picture Pro, AI HDR Remastering, Brightness Booster; 77″ and 83″ add Hyper Radiant Colour Tech (up to 3.2x peak brightness)Q Engine, Supreme UHD Dimming, Auto Motion Plus and Picture Quality Index 3400 appear in the separate 65 and 88-inch UK tables. PQI is Samsung's processing score, not native panel Hz.
Picture modesFILMMAKER MODE with Ambient Light Compensation, Creator Original modeFilm Mode, Auto Motion Plus and Contrast Enhancer in the UK maker tables. Les Numériques preferred Cinema mode with reduced dynamic processing on its 65-inch unit.
Motion handling–Les Numériques finds Auto Motion Plus effective on its 65-inch unit but suggests a custom setting to avoid the video-like interpolation effect. Samsung does not publish native Hz for both sizes in the UK tables, so the main refresh row is omitted.
Viewing angle–Both independent 65-inch reviews find visible loss of contrast and colour off-centre despite Samsung's Q Viewing Angle label.
Sizes
Sizes42, 48, 55, 65, 77, 83″65, 88″
Largest size83″88″
Gaming
HDMI ports4 (all HDMI 2.1 at 4K 120 Hz+)4 (0 HDMI 2.1 at 4K 120 Hz+)
Variable refresh rateHDMI VRR, G-Sync Compatible, FreeSync PremiumNone
Auto low latency modeYes–
HDMI detail4K 120 Hz on all four ports; eARC, VRR, ALLM, QMS and QFTFour HDMI 2.0a inputs on the 65-inch One Connect box according to TechRadar and Les Numériques; both UK maker tables list four HDMI inputs with ARC. No 4K 120 Hz or eARC capability is claimed.
Input lag–21 ms in Game Mode and 76 ms in Cinema mode on the European 65-inch Les Numériques review unit; these measurements are not assigned to other sizes.
Game featuresUp to 4K 165 Hz; G-SYNC Compatible, FreeSync Premium, HGiG, VESA ClearMR 10000, 0.1 ms response; Game Dashboard and Optimiser; Bluetooth Ultra Low Latency controllers (under 2.5 ms)Game Mode in both UK maker tables. No VRR or automatic low-latency mode is confirmed for this model.
Cloud gamingNVIDIA GeForce NOW (4K 120 Hz HDR)–
Smart TV and sound
Smart TV platformwebOSTizen
Processoralpha 11 AI Processor 4K Gen3 (Dual AI Engine)Q Engine
Speakers–60 W, 4.2 channels
Dolby AtmosYes–
DTS:XNo–
eARCYes–
Wi-FiWi-Fi 6Wi-Fi
Bluetooth5.3Bluetooth audio and Bluetooth Low Energy
Speaker detail42″ 20 W, 2.0 ch; 48″ to 83″ 40 W, 2.2 chSamsung's UK 65 and 88-inch maker tables specify 60 W and 4.2 channels with a woofer. Les Numériques found the 65-inch sound clear for dialogue but still preferred external speakers for films.
Audio featuresVirtual 11.1.2 ch, AI Sound, AI Object Remastering Ultra, Dolby AtmosDolby Digital Plus, DTS codec, Multiroom Link and Bluetooth audio in both UK maker tables.
Voice assistants–Voice interaction with UK English support in the 2017 UK maker tables; present-day service availability may differ.
Casting–Samsung Smart View, mobile mirroring, DLNA, Wi-Fi Direct and Bluetooth Low Energy in the UK maker tables.
TV tuners–Twin DVB-T2/C/S2 digital tuners, analogue tuner, CI+ 1.3, UK MHEG 5, programme guide, PVR and time shift in both UK maker tables.
Software updateswebOS 26; webOS Re:New Program upgrades for up to 5 years–
USB2 × USB 2.0Three USB inputs in both UK maker tables.
Ethernet–Ethernet LAN built in.
Optical audio out–One optical digital audio output.
Design and power
SizeWithout stand, 42″ 932 × 540 × 41.1 mm; 48″ 1071 × 620 × 46.9 mm; 55″ 1222 × 703 × 45.1 mm; 65″ 1441 × 826 × 45.1 mm; 77″ 1711 × 982 × 47.1 mm; 83″ 1842 × 1055 × 52.9 mmWithout stand, width × height × depth: 65-inch 1449.7 × 829.3 × 24.9 mm; 88-inch 1979 × 1131 × 30.4 mm. Configuration weights exclude stand. Samsung UK also identifies 55 and 75-inch Q9F models; their UK model-specific spec tables were unavailable, so their figures are not inferred from the 65 or 88-inch tables.
StandCentral pedestal stand; 65″ stands 880 mm tall on it, stand footprint 470 × 230 mmSamsung's Simple Stand uses two feet on the 65-inch model. With-stand weight: 65-inch 30 kg; 88-inch 74.5 kg. The separate One Connect box holds inputs and has its own power cable; a thin optical lead joins it to the TV.
Power use–Maximum from each UK maker table: 65-inch 335 W; 88-inch 440 W.
Energy class–B in the old UK energy-label scale for both verified sizes; not today's A–G scale.
Colours–Charcoal Black front in both UK maker tables.
In the box–Samsung's UK maker tables list TM1790A Smart Control plus a TM1240A remote for UK/IE, power cable, manual and e-manual. No Gap wall mount is included with the 88-inch model but optional on the 65-inch.
VESA pattern48″, 55″ and 65″ 300 × 200 mm; 83″ 400 × 400 mm–
WarrantyOLED Care+ covers the panel for 5 years–

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