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LG OLED evo C6 vs Samsung QLED Q9FN (2018)

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

Better figure, where one is clearly better

LGOLED evo C6SamsungQLED Q9FN (2018)
Overview
ReleasedMarch 20262018
Display
PanelOLEDLED LCD
Panel detailWOLED; 77″ and 83″ use a Primary RGB Tandem panel with Hyper Radiant Colour TechQuantum-dot LED-backlit LCD with direct full-array local dimming. The UK maker tables do not publish native refresh or a dimming-zone count; AVForums counted just under 500 zones on its 65-inch unit.
Resolution3840 × 2160 (4K)3840 × 2160 (4K)
Refresh rate165 Hz–
HDR formatsDolby Vision, HDR10, HLGHDR10, HDR10+, HLG
HDR extrasDolby Vision IQSamsung's QHDR 2000 is a product label, not a measured 2000-nit result. AVForums measured 1,833 nits in Movie mode on a 10% window on its UK 65-inch test unit; this is not assigned to the other sizes. Dolby Vision is unsupported.
Screen finishGlossyUltra Black Elite Moth Eye anti-reflection treatment in all three UK maker tables.
Colour range–Samsung's Q Color and billion colours appear in all three UK maker tables. AVForums measured 95% DCI-P3 xy on its 65-inch unit, short of Samsung's 100% colour-volume claim; that measurement is not 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)Samsung's Q Engine, Q Contrast Elite, Supreme UHD Dimming, Auto Motion Plus and 3700 Picture Quality Index appear in each UK maker table. PQI is a processing score, not native refresh rate.
Picture modesFILMMAKER MODE with Ambient Light Compensation, Creator Original modeFilm Mode, Natural Mode, Auto Motion Plus and Contrast Enhancer in each UK maker table. AVForums found the 65-inch Movie mode accurate without extensive calibration.
Motion handling–AVForums finds good 24p, 50p and 60p motion on its 65-inch test and suggests disabling the default Auto Motion Plus interpolation if the soap-opera effect is distracting. Samsung's UK tables do not state native Hz across sizes.
Viewing angle–Both independent 65-inch reviews note reduced contrast and colour off-axis compared with OLED despite Samsung's Q Viewing Angle feature.
Sizes
Sizes42, 48, 55, 65, 77, 83″55, 65, 75″
Largest size83″75″
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 2.0 inputs on the 65-inch review unit accept up to 4K 60p, HDR10, HDR10+ and HLG (AVForums). Samsung's UK maker tables list four HDMI ports and ARC for every size. No 4K 120 Hz or eARC capability is claimed.
Input lag–AVForums measured 21 ms at 1080p and 4K SDR and 22 ms at HDR on its UK 65-inch unit in Game Mode; about 80 ms without it. These are reviewer measurements for that size.
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)Samsung's UK maker tables list Auto Game mode and Game Motion Plus. AVForums confirmed automatic Game Mode detection with a PS4 Pro on its 65-inch unit. At review time, VRR was planned in a firmware update, not yet available; VRR is therefore not listed as a confirmed feature here.
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 separate UK maker tables specify 60 W, 4.2 channels and a woofer for all three sizes. AVForums found its 65-inch set adequate for ordinary TV but thin for films and sport.
Audio featuresVirtual 11.1.2 ch, AI Sound, AI Object Remastering Ultra, Dolby AtmosDolby Digital Plus, Bluetooth audio and Multiroom Link in the UK maker tables. No Dolby Atmos or DTS:X claim is made.
Voice assistants–Samsung voice interaction includes UK English in the 2018 maker tables; today's service availability may differ.
Casting–Mobile-to-TV and TV-to-mobile mirroring, DLNA and Wi-Fi Direct in the UK maker tables.
TV tuners–Twin DVB-T2/C/S2 digital tuners, analogue tuner, CI+ 1.4, UK MHEG 5, guide, PVR and time shift in the UK maker tables.
Software updateswebOS 26; webOS Re:New Program upgrades for up to 5 years–
USB2 × USB 2.0Three USB inputs on the One Connect box in all three 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: 55-inch 1231.2 × 707.1 × 38.9 mm; 65-inch 1450.1 × 830.4 × 38.9 mm; 75-inch 1675.8 × 961.9 × 39.4 mm. Configuration weights exclude stand. Each size is from its own UK maker table.
StandCentral pedestal stand; 65″ stands 880 mm tall on it, stand footprint 470 × 230 mmMidnight Black T-Center stand. With-stand weights from the separate UK maker tables: 55-inch 23.2 kg; 65-inch 30.9 kg; 75-inch 46.3 kg. The One Connect box holds power and inputs and joins the screen by one cable.
Power use–Maximum from separate UK maker tables: 55-inch 255 W; 65-inch 305 W; 75-inch 340 W.
Energy class–B in the old UK maker energy-label scale for all three sizes; not today's A–G scale.
Colours–Midnight Black front in the UK maker tables.
In the box–TM1890A Smart Control, power cable, manual and e-manual in the UK maker tables. The maker lists No Gap wall-mount support; the wall mount is optional.
VESA pattern48″, 55″ and 65″ 300 × 200 mm; 83″ 400 × 400 mm–
WarrantyOLED Care+ covers the panel for 5 years–

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