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Samsung Neo QLED QN90A vs Sony X90J

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

Better figure, where one is clearly better

SamsungNeo QLED QN90ASonyX90J
Overview
Released2021April 2021
Display
PanelMini-LEDLED LCD
Panel detailQuantum Dot LCD with Mini-LED backlight. Exact UK 50-inch reviews identify its panel as VA; the UK maker tables do not specify the LCD matrix for 43, 55, 65 or 75 inches, so it is not generalised. All five sizes are flat.–
Resolution3840 × 2160 (4K)3840 × 2160 (4K)
Refresh rate60 Hz (43″), 120 Hz (50, 55, 65, 75″)120 Hz
HDR formatsHDR10, HDR10+, HLGHDR10, HLG, Dolby Vision
HDR extrasQuantum HDR 1500 is Samsung's UK maker label for 43 and 50 inches; Quantum HDR 2000 for 55, 65 and 75 inches. These names are not comparable measured nit results. HDR10+ Adaptive on the UK maker tables.–
Screen finishAnti-reflection treatment on the reviewed UK 50-inch model; exact coating name not published in its maker table.–
Colour rangeSamsung's maker table lists 100% Colour Volume for the 50-inch model; this is a marketing colour-volume claim, not a measured DCI-P3 coverage figure for every size.–
Picture processingQuantum Matrix Technology, Ultimate UHD Dimming and AI upscaling on the UK 50-inch maker table. The 4400 Picture Quality Index is a processing score, not 4400 Hz. Samsung's UK newsroom confirmed the QN90A in March 2021 and advertised the 50-inch on sale in a later UK promotion; no maker first-sale month is established.Cognitive Processor XR, XR Contrast Booster, XR HDR Remaster, XR Triluminos Pro, XR Smoothing, Dual Database Processing, XR Super Resolution and XR 4K Upscaling. Full-array LED backlight with local dimming; maker does not publish a zone count.
Picture modesFilmmaker Mode, Natural and Movie on the UK 50-inch maker table. What Hi-Fi? finds default motion processing and shadow detail need some adjustment on its 50-inch test unit.Custom, Cinema, IMAX Enhanced, Game, Graphics, Photo, Dolby Vision Bright/Dark and Netflix Calibrated.
Motion handlingExpert Reviews reports native 120 Hz on 50 to 75 inches and 60 Hz on 43 inches; Samsung's maker specification lists no native Hz. Input acceptance and panel refresh are kept distinct.XR Motion Clarity; UK accepts 4K 120 Hz HDMI input and maker Japan explicitly lists a native 120 Hz panel.
Viewing angleWide Viewing Angle on the maker UK 50-inch table. The 50-inch UK review unit is VA; other sizes may differ by region or size and no LCD-matrix type is assigned to them.–
Sizes
Sizes43, 50, 55, 65, 75″50, 55, 65, 75″
Largest size75″75″
Gaming
HDMI ports4 (0 HDMI 2.1 at 4K 120 Hz+ (43″), 1 HDMI 2.1 at 4K 120 Hz+ (50, 55, 65, 75″))4 (2 HDMI 2.1 at 4K 120 Hz+)
Variable refresh rateHDMI VRR, FreeSync Premium ProHDMI VRR
Auto low latency modeYesYes
HDMI detailFour HDMI inputs total on each size's UK maker table. What Hi-Fi? and Expert Reviews identify HDMI 4 as the sole 4K 120 Hz / HDMI 2.1 gaming input on the reviewed 50-inch, with VRR, FreeSync Premium Pro and ALLM. Expert Reviews reports the 43-inch uses a 60 Hz panel, so it is not counted as a full 4K 120 Hz input. eARC uses a different HDMI socket. No US QN90A specifications are applied.Four side HDMI inputs. HDMI 3/4 support 4K 120 Hz, VRR and ALLM; eARC shares HDMI 3. HDCP 2.3. Current maker specification confirms VRR after firmware; original What Hi-Fi? review has no VRR.
Input lag9.2 ms at 60 Hz in Game Mode (What Hi-Fi?) and 9.8 ms in Game Mode (Expert Reviews) on separate exact UK 50-inch tests; these are measured review figures.–
Game featuresGame Bar, Game Motion Plus, 21:9/32:9 PC view, VRR and FreeSync Premium Pro on the UK 50-inch review set. Features requiring 4K 120 Hz do not apply to the 43-inch panel.PlayStation 5 Auto HDR Tone Mapping and Auto Genre Picture Mode after software updates. Both reviews explain that Dolby Vision and 4K 120 Hz require different HDMI modes; no low-latency Dolby Vision Game mode is claimed.
Smart TV and sound
Smart TV platformTizenGoogle TV
ProcessorNeo Quantum Processor 4KCognitive Processor XR
Dolby Atmos–Yes
eARCYesYes
Wi-FiWi-Fi 5Wi-Fi 5 (802.11ac)
Bluetooth5.24.2
Speaker detailSeparate UK maker tables: 43-inch 20 W 2.0; 50-inch 40 W 2.2 with OTS Lite; 55, 65 and 75-inch 60 W 4.2.2. Common audio power and channels are omitted from the main row. Expert Reviews describes the 50-inch OTS Lite as using two physical speakers; the maker calls the configuration 2.2.UK 50/65-inch tables: Acoustic Multi-Audio with two bass-reflex full-range speakers and two sound-positioning tweeters, X-Balanced Speaker, 10 W + 10 W (20 W). Other sizes’ unpublished/unread amplifier totals are not borrowed.
Audio featuresQ-Symphony Lite, Adaptive Sound+, Active Voice Amplifier and Dolby Digital Plus on the UK 50-inch maker table. No built-in Dolby Atmos decoder in the two contemporary exact reviews; eARC can pass Atmos to external equipment.Dolby Atmos and DTS Digital Surround; Voice Zoom 2, room/user-position calibration and 3D Surround Upscaling.
Voice assistantsBixby plus 2021-era Alexa and Google Assistant interoperability on the UK 50-inch maker table; service support can change after launch.Voice remote; UK maker says no built-in microphone. The UK X94J variant’s different feet and Rich Colour Enhancer identified by What Hi-Fi? are not assigned to X90J.
CastingSamsung Smart View, DLNA, Wi-Fi Direct, Multi View up to two videos and Tap Mirroring in the UK 50-inch maker table.Chromecast built-in, Apple AirPlay and HomeKit. Google TV is confirmed by maker Japan and both exact reviews; UK support labels the underlying Android TV system.
TV tunersTwin DVB-T2/C/S2 digital tuners, analogue tuner, CI+ 1.4 and UK HbbTV2.0.2/MHEG5 on the UK 50-inch maker table.UK twin DVB-T/T2, DVB-C and DVB-S/S2 tuners; analogue and CI+.
USBTwo USB-A inputs in the UK 50-inch maker table; one review misstates three.2 × side USB according to current UK maker tables. What Hi-Fi? describes three; maker count is retained. USB HDD recording supported.
EthernetEthernet LAN built in.1 × side Ethernet LAN.
Optical audio outOne optical digital audio output.1 × side digital audio output.
Design and power
SizeWithout stand, width × height × depth: 43-inch 960.8 × 559.5 × 26.9 mm; 50-inch 1114 × 644.9 × 26.9 mm; 55-inch 1227.4 × 706.2 × 26.9 mm; 65-inch 1446.3 × 829.3 × 26.9 mm; 75-inch 1670 × 958.2 × 27.7 mm. Weights in configurations are without stand.Without stand, W × H × D: 50-inch 111.9 × 64.9 × 7.0 cm; 55-inch 123.3 × 71.1 × 7.2 cm; 65-inch 145.2 × 83.4 × 7.2 cm; 75-inch 167.5 × 96.2 × 7.3 cm. All configuration weights exclude stand; maker does not publish with-stand weights in these tables. TechRadar labels the 65-inch with-stand measurements as without stand; maker dimensions are retained.
StandCentral bending-plate stand. With-stand weight: 43-inch 13.8 kg; 50-inch 18.6 kg; 55-inch 21.9 kg; 65-inch 31.4 kg; 75-inch 44.8 kg. UK 50-inch stand footprint 465 × 222.6 mm.50-inch foot width 66.5 cm, with stand 111.9 × 71.5 × 28.6 cm. UK 55/65/75-inch have standard and narrow positions: widths 106.1/45.8, 120.8/46.0 and 133.0/55.9 cm respectively. Their with-stand dimensions are 123.3 × 78.4 × 33.8, 145.2 × 90.5 × 33.8 and 167.5 × 104.0 × 41.0 cm.
VESA pattern–50-inch 200 × 200 mm; 55/65/75-inch 300 × 300 mm.
Power useUK 50-inch maker table lists 65 W typical, 175 W maximum and 0.5 W standby; other sizes are not assigned those figures.UK 75-inch energy consumption 164 kWh per 1000 hours. UK 50/75-inch standby 0.50 W; network standby 2.00 W over Wi-Fi/LAN or 1.0 W over Bluetooth.
Energy classUnder the 2021 A–G scale: 43-inch G, 50/55/65-inch F, 75-inch E in the separate maker tables.–
ColoursTitan Black cabinet with Sand Black stand in the UK 50-inch maker table.Black bezel and Titanium Black Slim Blade Stand.
In the boxUK 50-inch maker table lists TM2180E SolarCell and TM1240A remotes, power cable and user/e-manual.Table-top stand, voice remote, batteries, power cord and instructions. Maker Japan records first 50-inch sale on 24 April 2021, 55/65-inch on 1 May and 75-inch on 22 May; April month precision is retained. Launch-review reports of missing UK apps are historical, not a claim about current software.

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