Request a product

Samsung QLED Q90T (2020) vs Samsung QLED Q9F (2017)

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

Better figure, where one is clearly better

SamsungQLED Q90T (2020)SamsungQLED Q9F (2017)
Overview
ReleasedMay 20202017
Display
PanelLED LCDLED LCD
Panel detailQuantum-dot LED-backlit LCD with Direct Full Array 16x local dimming. Samsung's UK tables do not publish native refresh or dimming-zone counts; they do confirm 4K 120 Hz Game Mode on HDMI 4 for each listed size.Flat quantum-dot LED-backlit LCD. TechRadar and Les Numériques identify the reviewed 65-inch panel as side edge-lit; Samsung's UK tables do not publish a native refresh rate or backlight layout for every size.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)
HDR formatsHDR10, HDR10+, HLGHDR10, HDR10+, HLG
HDR extrasSamsung's Quantum HDR 2000 is a product label, not a measured 2000-nit result. HDR10, HDR10+ and HLG are confirmed by the maker and exact-model reviews; Dolby Vision is unsupported.Samsung'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 finishAnti Reflection Screen in each UK maker table.Moth Eye anti-reflection treatment in both available UK maker tables.
Colour rangeSamsung's UK tables claim 100% colour volume with Quantum Dot; this is a maker claim, not a reviewer measurement for every size.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.
Picture processingQuantum Processor 4K, AI Picture, Ultimate UHD Dimming, Contrast Enhancer and 4200 Picture Quality Index in the UK maker tables. PQI is not native refresh rate.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 modesFilm Mode, Natural Mode and Contrast Enhancer in all three UK maker tables. What Hi-Fi? recommends adjusting the 55-inch picture for natural colour.Film 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 handlingWIRED UK finds motion well controlled on its 55-inch unit; What Hi-Fi? finds an improvement over the prior model. Samsung's UK tables do not state native Hz, but explicitly confirm 4K 120 Hz Game Mode on HDMI 4 for every listed size.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 angleUltra Viewing Angle in all three UK maker tables; both independent 55-inch reviews find the picture remains usable well off-centre.Both independent 65-inch reviews find visible loss of contrast and colour off-centre despite Samsung's Q Viewing Angle label.
Sizes
Sizes55, 65, 75″65, 88″
Largest size75″88″
Gaming
HDMI ports4 (1 HDMI 2.1 at 4K 120 Hz+)4 (0 HDMI 2.1 at 4K 120 Hz+)
Variable refresh rateFreeSync PremiumNone
Auto low latency modeYes–
HDMI detailFour HDMI inputs, with 4K 120 Hz Game Mode specifically on HDMI 4 according to Samsung's UK size tables. Those tables confirm eARC; the remaining HDMI inputs are not claimed as 4K 120 Hz capable. What Hi-Fi? says the set lacked official HDMI 2.1 certification despite its supported gaming features.Four 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 lagWhat Hi-Fi? reports 11 ms on its exact UK 55-inch review unit; this reviewer measurement is not assigned to the other sizes.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 featuresAuto Game Mode (ALLM), Game Motion Plus, Dynamic Black EQ and FreeSync Premium in all three UK maker tables. 4K 120 Hz is limited to HDMI 4.Game Mode in both UK maker tables. No VRR or automatic low-latency mode is confirmed for this model.
Smart TV and sound
Smart TV platformTizenTizen
ProcessorQuantum Processor 4KQ Engine
Speakers60 W, 4.2.2 channels60 W, 4.2 channels
eARCYes–
Wi-FiWi-Fi 5Wi-Fi
BluetoothBluetooth 4.2Bluetooth audio and Bluetooth Low Energy
Speaker detailSamsung's UK tables specify 60 W, 4.2.2 channels, a woofer and Object Tracking Sound for all three sizes. The 4.2.2 layout describes speaker placement, not Dolby Atmos decoding.Samsung'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 featuresDolby Digital Plus, Dolby 5.1 decoder, Adaptive Sound+, Active Voice Amplifier and Q-Symphony in the UK maker tables. What Hi-Fi? confirms eARC can pass Atmos to external audio gear; the TV's speakers are not claimed to render Atmos.Dolby Digital Plus, DTS codec, Multiroom Link and Bluetooth audio in both UK maker tables.
Voice assistantsBixby UK English, Alexa and listed Google Assistant compatibility in the maker tables; current service availability may differ.Voice interaction with UK English support in the 2017 UK maker tables; present-day service availability may differ.
CastingMobile-to-TV and TV-to-mobile mirroring, DLNA, Tap Mirroring, Wi-Fi Direct, Sound Mirroring and Multi-View in the UK maker tables. What Hi-Fi? also confirms AirPlay 2 on its 55-inch unit.Samsung Smart View, mobile mirroring, DLNA, Wi-Fi Direct and Bluetooth Low Energy in the UK maker tables.
TV tunersTwin DVB-T2/C/S2 digital tuners, analogue tuner, CI+ 1.4, UK HbbTV 2.0.1 and MHEG 5, guide, PVR and time shift in the maker tables.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.
USBTwo USB inputs in every UK maker size table. What Hi-Fi?'s 55-inch tech-spec box says three; WIRED UK and Samsung say two, so the main count follows the maker.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: 55-inch 1227.6 × 705.6 × 34.8 mm; 65-inch 1446.5 × 828.3 × 34.8 mm; 75-inch 1670.6 × 957.8 × 35.2 mm. Configuration weights exclude stand. Each size is from its own UK maker table.Without 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.
StandTitan Black Bending Plate central stand. With-stand weights from separate UK maker tables: 55-inch 24.4 kg; 65-inch 33.6 kg; 75-inch 48.7 kg. Unlike the Q90R, inputs and power connect directly to the TV.Samsung'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 useMaximum from separate UK maker tables: 55-inch 245 W; 65-inch 305 W; 75-inch 335 W.Maximum from each UK maker table: 65-inch 335 W; 88-inch 440 W.
Energy classG in Samsung's current UK A–G maker tables for all three sizes; this scale differs from the old Q90R B label.B in the old UK energy-label scale for both verified sizes; not today's A–G scale.
ColoursTitan Black front and stand in the UK maker tables.Charcoal Black front in both UK maker tables.
In the boxSamsung's UK tables list TM2050C Smart Control and, for GB/IE, TM1240A standard remote, plus power cable, manual and e-manual.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.

More comparisons