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Samsung QLED Q90T (2020) vs Sony BRAVIA XF90

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

Better figure, where one is clearly better

SamsungQLED Q90T (2020)SonyBRAVIA XF90
Overview
ReleasedMay 20202018
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 Samsung's UK tables do not publish native refresh or dimming-zone counts; they do confirm 4K 120 Hz Game Mode on HDMI 4 for each listed size.Direct LED backlight with full-array local dimming and Triluminos colour. AVForums and Expert Reviews counted 48 dimming zones on their 55-inch review samples; Sony does not publish a series-wide count. X-Motion Clarity is picture processing, not a native refresh specification.
Resolution3840 × 2160 (4K)3840 × 2160 (4K)
HDR formatsHDR10, HDR10+, HLGHDR10, HLG, Dolby Vision
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.Sony announced Dolby Vision support for XF90 and now lists the series as compatible; it arrived through a firmware update after launch.
Peak brightness–AVForums measured about 1,000 nits in its brightest HDR mode and 705 nits in Cinema Pro on its UK 55-inch review sample; these are test results, not maker series specifications.
Screen finishAnti Reflection Screen in each UK maker table.–
Colour rangeSamsung's UK tables claim 100% colour volume with Quantum Dot; this is a maker claim, not a reviewer measurement for every size.–
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.4K X-Reality PRO, X-tended Dynamic Range PRO, Object-based HDR remaster, Super Bit Mapping 4K HDR and X-Motion Clarity.
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.–
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4K 120 Hz Game Mode on HDMI 4 for every listed size.Sony describes X-Motion Clarity but its exact UK size sheets do not publish a native refresh figure, so no Hz value is assigned to the series.
Viewing angleUltra Viewing Angle in all three UK maker tables; both independent 55-inch reviews find the picture remains usable well off-centre.AVForums and Expert Reviews report the 55-inch LCD's contrast and colour degrade when viewed from the side.
Sizes
Sizes55, 65, 75″49, 55, 65, 75″
Largest size75″75″
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 inputs. AVForums reports only HDMI 2 and 3 accept the higher-bandwidth 4K 60 Hz signal modes. ARC is supported; no HDMI 2.1 bandwidth.
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.Expert Reviews measured 25 ms at 4K and 42 ms at 1080p in Game mode on its 55-inch sample.
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; no HDMI VRR.
Smart TV and sound
Smart TV platformTizenAndroid TV
ProcessorQuantum Processor 4K4K HDR Processor X1 Extreme
Speakers60 W, 4.2.2 channels20 W, 2.0 channels
eARCYes–
Wi-FiWi-Fi 5802.11a/b/g/n/ac
BluetoothBluetooth 4.24.1
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.Two 10 W speakers with ClearAudio+ and S-Force Front Surround.
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.–
Voice assistantsBixby UK English, Alexa and listed Google Assistant compatibility in the maker tables; current 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.Chromecast built in, per Sony UK specifications.
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.Sony UK lists DVB-T/T2 terrestrial, DVB-C cable and DVB-S/S2 satellite tuners.
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, including support for media playback and USB HDD recording.
EthernetEthernet LAN built in.One LAN input.
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 (W × H × D), Sony UK sheets: 49″ 1093 × 629 × 69 mm; 55″ 1228 × 706 × 69 mm; 65″ 1447 × 829 × 69 mm; 75″ 1674 × 958 × 73 mm. Configuration weights also exclude stands.
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.Wide-set feet; VESA is 200 × 200 mm for 49″, 300 × 300 mm for 55/65″ and 400 × 300 mm for 75″.
Power useMaximum from separate UK maker tables: 55-inch 245 W; 65-inch 305 W; 75-inch 335 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.–
ColoursTitan Black front and stand in the 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.Sony announced the series in January 2018; AVForums reported UK retailer availability in March 2018.

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