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Samsung QLED Q8DN (2018) vs Samsung SUHD KS8000

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

Better figure, where one is clearly better

SamsungQLED Q8DN (2018)SamsungSUHD KS8000
Overview
Released20182016
Display
PanelLED LCDLED LCD
Panel detailQuantum-dot VA LCD with direct full-array local dimming on the UK Q8DN, confirmed by AVForums' exact UK 55-inch test; the UK Q8FN is a separate edge-lit series.Flat 10-bit quantum-dot LCD with edge-mounted LED backlighting, as identified in the two full UK 55-inch reviews. Samsung's Picture Quality Index 2300 is not native refresh.
Resolution3840 × 2160 (4K)3840 × 2160 (4K)
HDR formatsHDR10, HDR10+, HLGHDR10
HDR extrasSamsung's Q HDR 1500 is a product label, not a measured 1500-nit figure for every size. Dolby Vision is unsupported.Samsung HDR 1000 and Ultra HD Premium certification. HDR 1000 is a product label, not a measured brightness for every size.
Screen finishUltra Black Elite Moth Eye antireflection treatment in all three UK maker tables.Samsung Moth Eye antireflection treatment in all four UK maker tables.
Colour rangeSamsung Q Color and billion-colour support in all three UK maker tables.Quantum Dot Colour and 10-bit panel support in each UK maker table.
Picture processingQ Engine, Q Contrast Plus, Supreme UHD Dimming, Auto Motion Plus and 3600 Picture Quality Index in each UK maker table. PQI is not a native refresh rate.SUHD Remastering Engine, Supreme UHD Dimming, Precision Black, Peak Illuminator Pro and Auto Motion Plus in Samsung's separate UK maker tables. Picture Quality Index 2300 is not a native refresh figure.
Picture modesFilm Mode, Natural Mode, Auto Motion Plus and Contrast Enhancer in all three UK maker tables.–
Motion handlingAVForums noted occasional 50 Hz frame skipping on its UK 55-inch test unit; Samsung's UK tables do not publish native Hz.Samsung lists Supreme Motion Rate 200 on the UK 49, 55 and 65-inch tables, but Supreme Motion on the 75-inch table. Neither is the native refresh rate.
Viewing angleAVForums found strong straight-on contrast but reduced off-axis performance on its 55-inch unit.–
Sizes
Sizes55, 65, 75″49, 55, 65, 75″
Largest size75″75″
Gaming
HDMI ports4 (0 HDMI 2.1 at 4K 120 Hz+)4 (0 HDMI 2.1 at 4K 120 Hz+)
Variable refresh rateNoneNone
Auto low latency mode–No
HDMI detailFour HDMI inputs with ARC in the UK maker tables. AVForums found the UK 55-inch unit's inputs on the TV rather than a separate One Connect box.One Connect box with four HDMI inputs and ARC. AVForums identifies them as HDMI 2.0a / HDCP 2.2 on its UK 55-inch review unit; no 4K 120 Hz or eARC claim.
Input lag–AVForums measured 21 ms in Game Mode on its UK 55-inch review unit.
Game featuresAuto Game Mode and Game Motion Plus in the UK maker tables. Firmware-dependent VRR availability was not established for the UK series at launch.Manual Game Mode in all four UK maker tables; no VRR or automatic low-latency claim.
Smart TV and sound
Smart TV platformTizenTizen
ProcessorQ EngineSUHD Remastering Engine; quad-core smart processor
Speakers40 W, 4.1 channels60 W, 4.1 channels
eARC–No
Wi-FiBuilt-in Wi-FiBuilt-in Wi-Fi
BluetoothBluetooth audio and Bluetooth Low Energy–
Speaker detailSamsung specifies 40 W, 4.1 channels and a woofer in all three UK maker tables.Samsung's UK maker tables specify 60 W, 4.1 channels with front and down-firing drivers and a woofer in every size.
Audio featuresDolby Digital Plus, Bluetooth audio and Multiroom Link in the UK maker tables.Dolby Digital Plus, DTS codec, Bluetooth headset support and TV SoundConnect in the UK maker tables.
Voice assistantsSamsung voice interaction includes UK English in the 2018 maker tables; present-day service support can differ.Samsung voice recognition was included at launch; service support can change over time.
CastingSamsung SmartThings support, mobile mirroring, DLNA and Wi-Fi Direct in the UK maker tables.Samsung Smart View, mobile mirroring, DLNA and Wi-Fi Direct in the UK maker tables.
TV tunersTwin DVB-T2/C/S2 digital tuners, analogue tuner, CI+ 1.4, UK MHEG 5, programme guide, USB recording and time shift.Twin DVB-T2/C/S2 digital tuners, analogue tuner, CI+ 1.3, UK MHEG 5, electronic programme guide, USB recording and time shift.
USBTwo USB inputs in all three UK maker tables.Three USB sockets in all four UK maker tables.
EthernetEthernet LAN built in.One Ethernet LAN socket.
Optical audio outOne optical digital audio output.One optical digital audio output.
Design and power
SizeWithout stand, width × height × depth from separate UK maker tables: 55-inch 1231.2 × 706.8 × 58.7 mm; 65-inch 1450.1 × 829.9 × 58.7 mm; 75-inch 1675.8 × 961.4 × 59.2 mm. Configuration weights exclude stand.Without stand, width × height × depth from separate UK maker tables: 49-inch 1094.2 × 635.8 × 42.5 mm; 55-inch 1230 × 712.3 × 40.8 mm; 65-inch 1448.9 × 835.8 × 40.8 mm; 75-inch 1682.8 × 970.7 × 49.9 mm. Configuration weights exclude stand.
StandTwo widely spaced feet. With-stand weights from separate UK maker tables: 55-inch 20 kg; 65-inch 27.1 kg; 75-inch 39.6 kg.Central Y stand. With-stand weights from separate UK maker tables: 49-inch 17.1 kg; 55-inch 19.9 kg; 65-inch 28.6 kg; 75-inch 46 kg.
Power useMaximum from separate UK maker tables: 55-inch 235 W; 65-inch 270 W; 75-inch 295 W.Maximum from separate UK maker tables: 49-inch 185 W; 55-inch 210 W; 65-inch 235 W; 75-inch 365 W.
Energy classOld UK maker energy scale: B for 55 and 75-inch; A for 65-inch. Not today’s A–G scale.Old UK maker energy scale: A for 49-inch and A+ for 55, 65 and 75-inch; not today’s A–G scale.
ColoursCarbon Silver front in all three UK maker tables.Silver front trim in all four UK maker tables.
In the boxSamsung's UK tables list TM1890A Smart Control, power cable, manual and e-manual. A precise UK first-sale month was not established.Samsung's UK tables list TM1680A Smart Control, TM1240A conventional remote, power lead, manual and e-manual. A precise UK first-sale month was not established.

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