Samsung QLED Q8DN (2018) vs Sony BRAVIA XF90

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QLED Q8DN (2018) compared with BRAVIA XF90

	SamsungQLED Q8DN (2018)	SonyBRAVIA XF90
Overview
Released
Released	2018	2018
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. 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.
Resolution
Resolution	3840 × 2160 (4K)	3840 × 2160 (4K)
HDR formats
HDR formats	HDR10, HDR10+, HLG	HDR10, HLG, Dolby Vision
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.	Sony announced Dolby Vision support for XF90 and now lists the series as compatible; it arrived through a firmware update after launch.
Peak brightness
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 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.	–
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 X-Motion Clarity.
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Motion handling	AVForums noted occasional 50 Hz frame skipping on its UK 55-inch test unit; Samsung's UK tables do not publish native Hz.	Sony describes X-Motion Clarity but its exact UK size sheets do not publish a native refresh figure, so no Hz value is assigned to the series.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 angle
Viewing angle	AVForums found strong straight-on contrast but reduced off-axis performance on its 55-inch unit.	AVForums and Expert Reviews report the 55-inch LCD's contrast and colour degrade when viewed from the side.
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 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 lag
Input lag	–	Expert Reviews measured 25 ms at 4K and 42 ms at 1080p in Game mode on its 55-inch sample.
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 mode; no HDMI VRR.
Smart TV and sound
Smart TV platform
Smart TV platform	Tizen	Android TV
Processor
Processor	Q Engine	4K HDR Processor X1 Extreme
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 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.
USB
USB	Two USB inputs in all three UK maker tables.	Three USB inputs, 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 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 × 629 × 69 mm; 55″ 1228 × 706 × 69 mm; 65″ 1447 × 829 × 69 mm; 75″ 1674 × 958 × 73 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.	Wide-set feet; VESA is 200 × 200 mm for 49″, 300 × 300 mm for 55/65″ and 400 × 300 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.	–
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.	Sony announced the series in January 2018; AVForums reported UK retailer availability in March 2018.