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Samsung QLED Q80T (2020) vs Sony X900H / XH90

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

Better figure, where one is clearly better

SamsungQLED Q80T (2020)SonyX900H / XH90
Overview
Released20202020
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.–
Resolution3840 × 2160 (4K)3840 × 2160 (4K)
Refresh rate60 Hz (49″), 120 Hz (55, 65, 75, 85″)120 Hz
HDR formatsHDR10, HDR10+, HLGHDR10, HLG, Dolby Vision
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.–
Screen finishThe UK maker tables do not list Ultra Black. AVForums and Expert Reviews found limited off-axis performance on the 55-inch set.–
Colour rangeSamsung claims 100% Colour Volume with Quantum Dot in all five 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.4K HDR Processor X1, TRILUMINOS Display, Live Colour, Precision Colour Mapping, X-tended Dynamic Range, Object-based HDR Remaster and 4K X-Reality PRO. Full-array LED local dimming; no maker-published zone count.
Picture modesFilm Mode and Natural Mode in all five UK maker tables.Custom, Cinema, Game, Graphics, Photo, Dolby Vision Bright/Dark and Netflix Calibrated.
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.X-Motion Clarity. Current Sony firmware adds 4K 120 Hz signal support; the original video-signal table still lists 4K only up to 60 Hz. RTINGS reports blurred text/halved vertical detail in some 4K 120 Hz modes, so signal support does not assert uncompromised full-resolution rendering.
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.–
Sizes
Sizes49, 55, 65, 75, 85″55, 65, 75, 85″
Largest size85″85″
Gaming
HDMI ports4 (0 HDMI 2.1 at 4K 120 Hz+ (49″), 1 HDMI 2.1 at 4K 120 Hz+ (55, 65, 75, 85″))4 (2 HDMI 2.1 at 4K 120 Hz+)
Variable refresh rateNone (49″), FreeSync (55, 65, 75, 85″)HDMI VRR
Auto low latency mode–Yes
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 side HDMI inputs; HDMI 3/4 provide the two HDMI 2.1 inputs (exact reviews/RTINGS), with eARC on HDMI 3. Maker UK specifications list 4K120/eARC/VRR/ALLM with update footnotes, while the old ARC row says ARC only. Sony’s applicable-model firmware record explicitly adds 4K 120 Hz, eARC and VRR.
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.ALLM after firmware, confirmed by RTINGS’s March 2022 test update and maker’s specified feature list. RTINGS reports that VRR disables local dimming and Dolby Vision; Dolby Vision and 4K 120 Hz require different HDMI modes. No FreeSync or certified G-Sync main entry is assigned.
Smart TV and sound
Smart TV platformTizenAndroid TV
ProcessorQuantum Processor 4K4K HDR Processor X1
Dolby Atmos–Yes
eARC–Yes
Wi-FiWi-Fi 5Wi-Fi 5 (802.11ac)
BluetoothBluetooth 4.24.2
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.UK 65-inch: Acoustic Multi-Audio with two bass-reflex full-range speakers and two sound-positioning tweeters, X-Balanced Speaker and 10 W + 10 W (20 W). T3 names 20 W for its tested UK 75-inch. Other size amplifier figures are not borrowed.
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 Atmos and DTS Digital Surround. Atmos support does not mean physical overhead speakers.
Voice assistantsBixby, Google Assistant and Alexa compatibility in all UK maker tables; current service support can differ.Voice remote with Google Assistant; compatible Alexa/Google smart speakers require separate devices.
CastingSmartThings, mobile mirroring, Tap View, Multi View, DLNA and Wi-Fi Direct in the UK maker tables.Chromecast built-in, Apple AirPlay and HomeKit.
Software updates–Android TV; maker firmware v6.2322 cumulative notes document upgrade from Android 9 to Android 10, Apple TV app, eARC, 4K 120 Hz and VRR additions. The selected current update v6.2624 further improves security and performance.
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.UK twin DVB-T/T2, DVB-C and DVB-S/S2 tuners; analogue and CI+. Regional US tuner conventions are not applied.
USBTwo USB inputs in all five UK maker tables.2 × side USB; USB HDD recording supported.
EthernetEthernet LAN built in.1 × side Ethernet LAN.
Optical audio outOne optical digital audio output.1 × side digital audio output; side headphone output also provided.
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.UK models without stand, W × H × D: 55-inch 123.1 × 71.0 × 7.0 cm; 65-inch 145.0 × 83.3 × 7.0 cm; 75-inch 167.4 × 96.1 × 7.1 cm; 85-inch 189.9 × 108.9 × 7.2 cm. With-stand weights 17.5, 23.2, 34.4 and 47.7 kg respectively. Configuration weights exclude the 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.UK Metal Blade Stand widths: 55-inch 105.3 cm, 65-inch 112.8 cm, 75-inch 132.1 cm and 85-inch 152.7 cm. With-stand W × H × D: 123.1 × 78.0 × 33.8, 145.0 × 90.3 × 33.8, 167.4 × 103.4 × 41.0 and 189.9 × 116.2 × 44.1 cm respectively.
VESA pattern–55/65/75-inch 300 × 300 mm; 85-inch 400 × 400 mm.
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.UK 55-inch 116 kWh per 1000 hours; 65-inch 143. UK 65-inch standby 0.50 W; network standby 2.00 W over Wi-Fi/LAN or 0.50 W over HDMI-CEC.
Energy classUK maker tables list G for all five sizes on the revised A–G scale.–
ColoursCarbon Silver front and Titan Black stand in all five UK maker tables.Black aluminium bezel and dark-silver stand.
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.Table-top stand, voice remote, batteries, power cord and instructions. UK model codes are XH9005, with XH9096 for 85-inch; X900H is the North American family name. Maker US 20 April 2020 record offered 65/75-inch pre-orders and planned summer 55/85-inch ordering, not first sale. Maker China’s March/April release says its spring family launched first there, without an exact X9000H sale date; T3 gives only summer 2020. Release remains conservative 2020 after this bounded gap.

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