Samsung QLED Q80T (2020) vs Samsung QLED Q8FN (2018)

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

Better figure, where one is clearly better

QLED Q80T (2020) compared with QLED Q8FN (2018)
SamsungQLED Q80T (2020)SamsungQLED Q8FN (2018)
Overview
Released20202018
Display
PanelLED LCDLED LCD
Panel detailQuantum-dot LCD with Direct Full Array 8X local dimming in all five UK maker tables. UK QE55Q80T tests by AVForums and Expert Reviews confirmed full-array local dimming.Quantum-dot edge-lit LCD on the UK Q8FN. AVForums distinguishes this UK model from the full-array UK Q8DN and US Q8FN; Samsung's UK tables do not explicitly state backlight placement.
Resolution3840 × 2160 (4K)3840 × 2160 (4K)
Refresh rate60 Hz (49″), 120 Hz (55, 65, 75, 85″)–
HDR formatsHDR10, HDR10+, HLGHDR10, HDR10+, HLG
HDR extrasSamsung labels the 49-inch Quantum HDR 1000 and larger UK sizes Quantum HDR 1500; these are product labels, not measured nits for every configuration. Dolby Vision is unsupported.Samsung's Q HDR 1500 is a product label, not a measured 1500-nit figure for every size. Dolby Vision is unsupported.
Screen finishThe UK maker tables do not list Ultra Black. AVForums and Expert Reviews found limited off-axis performance on the 55-inch set.Ultra Black Moth Eye antireflection treatment in both UK maker tables.
Colour rangeSamsung claims 100% Colour Volume with Quantum Dot in all five UK maker tables.Q Color and billion-colour support in both UK maker tables.
Picture processingQuantum Processor 4K AI Picture and upscaling, Supreme UHD Dimming, Contrast Enhancer and PQI 3200 on 49-inch or 3800 on larger UK sizes. PQI is not a native refresh rate.Q Engine, Q Contrast, Supreme UHD Dimming, Contrast Enhancer and Picture Quality Index 3200 in both UK maker tables. PQI is not a native refresh rate.
Picture modesFilm Mode and Natural Mode in all five UK maker tables.Film Mode, Natural Mode and Auto Motion Plus in both UK maker tables.
Motion handlingExpert Reviews found 60 Hz native on the UK 49-inch and 120 Hz on 55-inch and larger variants. AVForums saw occasional 50 Hz frame skipping on its 55-inch test unit.Samsung's UK tables do not publish native refresh Hz.
Viewing angleSamsung specifies Wide Viewing Angle on 55-inch and larger UK variants, but not on the 49-inch. The 55-inch lacks the higher-tier Ultra Wide Viewing Angle layer according to AVForums and Expert Reviews.Q Viewing Angle in both UK maker tables; no quantified viewing angle is published.
Sizes
Sizes49, 55, 65, 75, 85″55, 65″
Largest size85″ (better)65″
Gaming
HDMI ports4 (0 HDMI 2.1 at 4K 120 Hz+ (49″), 1 HDMI 2.1 at 4K 120 Hz+ (55, 65, 75, 85″)) (better)4 (0 HDMI 2.1 at 4K 120 Hz+)
Variable refresh rateNone (49″), FreeSync (55, 65, 75, 85″)None
HDMI detailFour HDMI inputs and eARC on each UK maker table. Samsung's UK 4K 120 Hz support list and Expert Reviews confirm HDMI 4 at 4K 120 Hz on the 55-inch; Expert Reviews says the 49-inch has HDMI 2.0 only.Four HDMI inputs with ARC and HDMI-CEC in both UK maker tables.
Game featuresAuto Game Mode (ALLM), Game Motion Plus and Dynamic Black EQ in the UK maker tables. FreeSync is specified on 55-inch and larger UK models but absent on 49-inch. AVForums measured 11 ms lag on the UK 55-inch.Auto Game Mode and Game Motion Plus in both UK maker tables. UK launch VRR availability was not established.
Smart TV and sound
Smart TV platformTizenTizen
ProcessorQuantum Processor 4KQ Engine
Speakers–40 W, 4.1 channels
Wi-FiWi-Fi 5Built-in Wi-Fi
BluetoothBluetooth 4.2Bluetooth audio and Bluetooth Low Energy
Speaker detail49-inch: 40 W, 2.2 channels. 55, 65, 75 and 85-inch: 60 W, 2.2.2 channels. Each figure comes from its own UK maker table.Samsung specifies 40 W, 4.1 channels and a woofer in both UK maker tables.
Audio featuresDolby Digital Plus, Active Voice Amplifier and Adaptive Sound+ across the UK sizes. Object Tracking Sound and Q-Symphony are specified on 55-inch and larger, not 49-inch.Dolby Digital Plus, Bluetooth audio and Multiroom Link in both UK maker tables.
Voice assistantsBixby, Google Assistant and Alexa compatibility in all UK maker tables; current service support can differ.Samsung voice interaction includes UK English in both 2018 maker tables; present-day service support can differ.
CastingSmartThings, mobile mirroring, Tap View, Multi View, DLNA and Wi-Fi Direct in the UK maker tables.SmartThings support, mobile mirroring, DLNA and Wi-Fi Direct in both UK maker tables.
TV tunersTwin DVB-T/C/S2 digital tuners, analogue tuner, CI+ 1.4, UK HbbTV 2.0.1, programme guide, USB recording and time shift.Twin DVB-T2/C/S2 digital tuners, analogue tuner, CI+ 1.4, UK MHEG 5, programme guide, USB recording and time shift.
USBTwo USB inputs in all five UK maker tables.Three USB inputs in both UK maker tables.
EthernetEthernet LAN built in.Ethernet LAN built in.
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: 49-inch 1094.8 × 634.4 × 54.9 mm; 55-inch 1227.6 × 706.7 × 53.9 mm; 65-inch 1446.5 × 829.8 × 53.9 mm; 75-inch 1670.6 × 958.7 × 53.9 mm; 85-inch 1892.8 × 1083.2 × 54.9 mm. Configuration weights exclude stand.Without stand, width × height × depth from separate UK maker tables: 55-inch 1227.2 × 704.8 × 46.9 mm; 65-inch 1446.1 × 827.9 × 46.9 mm. Configuration weights exclude stand.
StandCentral Floating Plate stand. With-stand weights: 49-inch 17.5 kg; 55-inch 21 kg; 65-inch 27.8 kg; 75-inch 40.3 kg; 85-inch 50.1 kg.Central Tri Stand. With-stand weights from separate UK maker tables: 55-inch 20.8 kg; 65-inch 27.2 kg.
Power useMaximum by UK maker size: 49-inch 215 W; 55-inch 235 W; 65-inch 280 W; 75-inch 345 W; 85-inch 475 W.Maximum from separate UK maker tables: 55-inch 170 W; 65-inch 215 W.
Energy classUK maker tables list G for all five sizes on the revised A–G scale.Old UK maker energy scale: B for 55-inch; A for 65-inch. Not today’s A–G scale.
ColoursCarbon Silver front and Titan Black stand in all five UK maker tables.Eclipse Silver front in both UK maker tables.
In the boxSamsung's UK tables list the TM2050C Smart Control plus TM1240A remote, power cable, manual and e-manual. A precise UK first-sale month was not established.Samsung's UK tables list TM1890A Smart Control, power cable, manual and e-manual. A precise UK first-sale month was not established.

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