Samsung QLED Q8DN (2018) vs Sony BRAVIA XE90

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QLED Q8DN (2018) compared with BRAVIA XE90

	SamsungQLED Q8DN (2018)	SonyBRAVIA XE90
Overview
Released
Released	2018	2017
Display
Panel
Panel	LED LCD	LED LCD
Panel detail
Panel detail	Quantum-dot VA LCD with direct full-array local dimming on the UK Q8DN, confirmed by AVForums' exact UK 55-inch test; the UK Q8FN is a separate edge-lit series.	Direct LED backlight with full-array local dimming and Triluminos colour. Sony UK lists Motionflow XR 1000 Hz with Native 100 Hz; the XR figure is processing, not native refresh.
Resolution
Resolution	3840 × 2160 (4K)	3840 × 2160 (4K)
Refresh rate
Refresh rate	–	100 Hz
HDR formats
HDR formats	HDR10, HDR10+, HLG	HDR10
HDR extras
HDR extras	Samsung's Q HDR 1500 is a product label, not a measured 1500-nit figure for every size. Dolby Vision is unsupported.	HDR10 is confirmed in the exact-model reviews. HLG was described as a planned firmware addition at launch and is not included without a verified completed update. Dolby Vision is unsupported on the X1, per AVForums.
Peak brightness
Peak brightness	–	HDTVTest measured 880 cd/m² after D65 calibration on its UK 65-inch sample; AVForums measured 936 nits on a 10% window with different settings.
Screen finish
Screen finish	Ultra Black Elite Moth Eye antireflection treatment in all three UK maker tables.	–
Colour range
Colour range	Samsung Q Color and billion-colour support in all three UK maker tables.	HDTVTest measured 92% DCI-P3 on its calibrated 65-inch sample; AVForums measured 87% DCI-P3 xy. These are reviewer measurements, not maker series figures.
Picture processing
Picture processing	Q Engine, Q Contrast Plus, Supreme UHD Dimming, Auto Motion Plus and 3600 Picture Quality Index in each UK maker table. PQI is not a native refresh rate.	4K X-Reality PRO, X-tended Dynamic Range PRO, Object-based HDR remaster, Super Bit Mapping 4K HDR and Motionflow XR 1000.
Picture modes
Picture modes	Film Mode, Natural Mode, Auto Motion Plus and Contrast Enhancer in all three UK maker tables.	–
Motion handling
Motion handling	AVForums noted occasional 50 Hz frame skipping on its UK 55-inch test unit; Samsung's UK tables do not publish native Hz.	Sony UK specifies native 100 Hz. HDTVTest measured a 120 Hz panel refresh on its 65-inch British review sample; the conflicting measured rate is not substituted into the maker-backed series field.
Viewing angle
Viewing angle	AVForums found strong straight-on contrast but reduced off-axis performance on its 55-inch unit.	Both AVForums and HDTVTest found the 65-inch VA LCD's best picture concentrated near the centre.
Sizes
Sizes
Sizes	55, 65, 75″	49, 55, 65, 75″
Largest size
Largest size	75″	75″
Gaming
HDMI ports
HDMI ports	4 (0 HDMI 2.1 at 4K 120 Hz+)	4 (0 HDMI 2.1 at 4K 120 Hz+)
Variable refresh rate
Variable refresh rate	None	None
HDMI detail
HDMI detail	Four HDMI inputs with ARC in the UK maker tables. AVForums found the UK 55-inch unit's inputs on the TV rather than a separate One Connect box.	Four HDCP 2.2 inputs, with HDMI 2 and 3 supporting higher bit depth/frame-rate 4K modes on HDTVTest's UK 65-inch sample. Sony lists ARC but not HDMI 2.1 bandwidth.
Input lag
Input lag	–	HDTVTest measured 31 ms in 1080p SDR and 4K HDR Game/Graphics modes on its 65-inch UK sample; AVForums measured 32 ms with a Leo Bodnar tester.
Game features
Game features	Auto Game Mode and Game Motion Plus in the UK maker tables. Firmware-dependent VRR availability was not established for the UK series at launch.	Game and Graphics modes; HDTVTest verified full 4:4:4 at 3840 × 2160 60 Hz with HDMI Enhanced Signal enabled. No HDMI VRR.
Smart TV and sound
Smart TV platform
Smart TV platform	Tizen	Android TV
Processor
Processor	Q Engine	4K HDR Processor X1
Speakers
Speakers	40 W, 4.1 channels (better)	20 W, 2.0 channels
Wi-Fi
Wi-Fi	Built-in Wi-Fi	802.11a/b/g/n/ac
Bluetooth
Bluetooth	Bluetooth audio and Bluetooth Low Energy	4.1
Speaker detail
Speaker detail	Samsung specifies 40 W, 4.1 channels and a woofer in all three UK maker tables.	Two 10 W bass-reflex speakers with ClearAudio+ and S-Force Front Surround.
Audio features
Audio features	Dolby Digital Plus, Bluetooth audio and Multiroom Link in the UK maker tables.	–
Voice assistants
Voice assistants	Samsung voice interaction includes UK English in the 2018 maker tables; present-day service support can differ.	–
Casting
Casting	Samsung SmartThings support, mobile mirroring, DLNA and Wi-Fi Direct in the UK maker tables.	Chromecast built in, per Sony UK specifications.
TV tuners
TV tuners	Twin DVB-T2/C/S2 digital tuners, analogue tuner, CI+ 1.4, UK MHEG 5, programme guide, USB recording and time shift.	Sony UK lists DVB-T/T2 terrestrial, DVB-C cable and DVB-S/S2 satellite tuners, with two digital terrestrial/cable and two satellite tuners.
USB
USB	Two USB inputs in all three UK maker tables.	Three side USB ports, including support for media playback and USB HDD recording.
Ethernet
Ethernet	Ethernet LAN built in.	One LAN input.
Optical audio out
Optical audio out	One optical digital audio output.	One rear optical digital audio output.
Design and power
Size
Size	Without stand, width × height × depth from separate UK maker tables: 55-inch 1231.2 × 706.8 × 58.7 mm; 65-inch 1450.1 × 829.9 × 58.7 mm; 75-inch 1675.8 × 961.4 × 59.2 mm. Configuration weights exclude stand.	Without stand (W × H × D), Sony UK sheets: 49″ 1093 × 631 × 62 mm; 55″ 1228 × 707 × 60 mm; 65″ 1447 × 830 × 60 mm; 75″ 1674 × 959 × 66 mm. Configuration weights also exclude stands.
Stand
Stand	Two widely spaced feet. With-stand weights from separate UK maker tables: 55-inch 20 kg; 65-inch 27.1 kg; 75-inch 39.6 kg.	Silver central pedestal; VESA is 200 × 200 mm for 49″, 300 × 300 mm for 55/65″ and 400 × 400 mm for 75″.
Power use
Power use	Maximum from separate UK maker tables: 55-inch 235 W; 65-inch 270 W; 75-inch 295 W.	Sony UK rated/standard operating power for 55″ is 189/109 W and for 65″ 230/129 W. AVForums measured 65″ power under its own picture settings; measurements are not substituted for maker ratings.
Energy class
Energy class	Old UK maker energy scale: B for 55 and 75-inch; A for 65-inch. Not today’s A–G scale.	–
Colours
Colours	Carbon Silver front in all three UK maker tables.	–
In the box
In the box	Samsung's UK tables list TM1890A Smart Control, power cable, manual and e-manual. A precise UK first-sale month was not established.	Table stand, voice remote, batteries, IR blaster, AC adaptor/cord and guides in Sony's 55-inch UK sheet. Sony Germany stated planned March/April 2017 availability; an exact actual first-sale month was not established, so release uses year precision.