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Panasonic VIERA DX902 vs Samsung QLED Q8FN (2018)

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

Better figure, where one is clearly better

PanasonicVIERA DX902SamsungQLED Q8FN (2018)
Overview
ReleasedMarch 20162018
Display
PanelLED LCDLED LCD
Panel detailPanasonic specifies an LED LCD panel with full-array local dimming. HDTVTest identifies a 120 Hz VA LCD panel in the reviewed 58-inch set; Panasonic's 3000 Hz Backlight Motion Rate is not the native refresh rate.Quantum-dot edge-lit LCD on the UK Q8FN. AVForums distinguishes this UK model from the full-array UK Q8DN and US Q8FN; Samsung's UK tables do not explicitly state backlight placement.
Resolution3840 × 2160 (4K)3840 × 2160 (4K)
Refresh rate120 Hz–
HDR formatsHDR10HDR10, HDR10+, HLG
HDR extras–Samsung's Q HDR 1500 is a product label, not a measured 1500-nit figure for every size. Dolby Vision is unsupported.
Screen finish–Ultra Black Moth Eye antireflection treatment in both UK maker tables.
Dimming zones512–
Peak brightnessHDTVTest measured 1,310 cd/m² on the 58-inch set; results and picture modes vary by scene and firmware.–
Colour rangeHDTVTest measured 98% DCI-P3 coverage on the 58-inch set.Q Color and billion-colour support in both UK maker tables.
Picture processingStudio Master HCX+ processing and 512 independently dimmed backlight zones. AVForums reports the same zone count for the 65-inch UK model.Q Engine, Q Contrast, Supreme UHD Dimming, Contrast Enhancer and Picture Quality Index 3200 in both UK maker tables. PQI is not a native refresh rate.
Picture modes–Film Mode, Natural Mode and Auto Motion Plus in both UK maker tables.
Motion handlingHDTVTest measured a native 120 Hz panel in the 58-inch set and reported some dark smearing; 3D judder and crosstalk were noticeable.Samsung's UK tables do not publish native refresh Hz.
Viewing angleBoth independent 58-inch tests found contrast and colour deteriorated away from the centre seat.Q Viewing Angle in both UK maker tables; no quantified viewing angle is published.
Sizes
Sizes58, 65″55, 65″
Largest size65″65″
Gaming
HDMI ports4 (0 HDMI 2.1 at 4K 120 Hz+)4 (0 HDMI 2.1 at 4K 120 Hz+)
Variable refresh rateNoneNone
HDMI detailFour HDMI inputs; HDMI2 supports ordinary Audio Return Channel. The UK manual lists component and composite video inputs, CI+ and an SD card slot.Four HDMI inputs with ARC and HDMI-CEC in both UK maker tables.
Game features–Auto Game Mode and Game Motion Plus in both UK maker tables. UK launch VRR availability was not established.
Input lagHDTVTest measured 38 ms in Game mode on its 58-inch sample. AVForums measured 42 ms on a separate 58-inch sample; these are review measurements, not a Panasonic specification.–
Smart TV and sound
Smart TV platformmy Home ScreenTizen
ProcessorStudio Master HCX+Q Engine
Speakers40 W40 W, 4.1 channels
Wi-FiBuilt-in dual-band IEEE 802.11a/b/g/nBuilt-in Wi-Fi
BluetoothBluetooth 3.0 for accessories and active 3D glassesBluetooth audio and Bluetooth Low Energy
Speaker detailPanasonic specifies four 10 W speakers, totalling 40 W.Samsung specifies 40 W, 4.1 channels and a woofer in both UK maker tables.
Audio featuresActive-shutter 3D glasses are supported by Bluetooth but sold separately; 3.5 mm headphone socket.Dolby Digital Plus, Bluetooth audio and Multiroom Link in both UK maker tables.
Voice assistants–Samsung voice interaction includes UK English in both 2018 maker tables; present-day service support can differ.
CastingPanasonic's my Home Screen 2.0 offers network media, screen mirroring and streaming apps; service availability varies over time.SmartThings support, mobile mirroring, DLNA and Wi-Fi Direct in both UK maker tables.
TV tunersUK DVB-S/S2 Freesat, DVB-T/T2 Freeview HD and PAL I analogue tuners; two satellite inputs.Twin DVB-T2/C/S2 digital tuners, analogue tuner, CI+ 1.4, UK MHEG 5, programme guide, USB recording and time shift.
USBTwo USB 2.0 ports and one USB 3.0 port; SD card slot.Three USB inputs in both UK maker tables.
EthernetRJ45 10/100 Ethernet.Ethernet LAN built in.
Optical audio outOptical digital audio output supports PCM and Dolby Digital.One optical digital audio output.
Design and power
SizeTV only: 58-inch 1297 × 759 × 64 mm, 27.5 kg; 65-inch 1457 × 844 × 64 mm, 34.5 kg. With stand: 58-inch 1297 × 804 × 334 mm, 32.5 kg; 65-inch 1457 × 888 × 334 mm, 42.5 kg.Without stand, width × height × depth from separate UK maker tables: 55-inch 1227.2 × 704.8 × 46.9 mm; 65-inch 1446.1 × 827.9 × 46.9 mm. Configuration weights exclude stand.
StandSupplied angled pedestal; 400 × 400 mm wall-mount holes.Central Tri Stand. With-stand weights from separate UK maker tables: 55-inch 20.8 kg; 65-inch 27.2 kg.
Power usePanasonic product fiche on-mode average: 183 W for 58 inches and 226 W for 65 inches; 0.50 W standby and 0.30 W off mode.Maximum from separate UK maker tables: 55-inch 170 W; 65-inch 215 W.
Energy classB for both UK sizes under the historical Panasonic product fiche.Old UK maker energy scale: B for 55-inch; A for 65-inch. Not today’s A–G scale.
Colours–Eclipse Silver front in both UK maker tables.
In the boxUK manual lists a remote control, pedestal, mains lead and instructions; 3D glasses are optional. AVForums reported DX902 was already on sale in UK retailers on 2 March 2016; Panasonic's exact first-sale date was not found, so release precision is March 2016.Samsung's UK tables list TM1890A Smart Control, power cable, manual and e-manual. A precise UK first-sale month was not established.

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