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Panasonic VIERA DX902 vs Samsung LED H8000

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

Better figure, where one is clearly better

PanasonicVIERA DX902SamsungLED H8000
Overview
ReleasedMarch 20162014
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.Curved edge-lit LCD with 4200R curvature and active-shutter 3D. Samsung's 1000 Clear Motion Rate is a processing label, not the native panel refresh rate; the UK specification does not publish native Hz.
Resolution3840 × 2160 (4K)1920 × 1080 (Full HD)
Refresh rate120 Hz–
HDR formatsHDR10None
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.–
Picture processingStudio Master HCX+ processing and 512 independently dimmed backlight zones. AVForums reports the same zone count for the 65-inch UK model.The UK 55-inch specification lists Micro Dimming Ultimate, Auto Depth Enhancer and 1000 Clear Motion Rate but says Precision Black local dimming is absent. HDTVTest found that Cinema Black darkens letterbox bars, though some settings shifted the whole picture's brightness.
Picture modes–Movie mode and ten-point white balance controls allowed very accurate greyscale on the HDTVTest and AVForums 55-inch test sets. Samsung's UK table confirms 2D-to-3D conversion and two included active glasses.
Motion handlingHDTVTest measured a native 120 Hz panel in the 58-inch set and reported some dark smearing; 3D judder and crosstalk were noticeable.HDTVTest measured 1080 lines of motion resolution with Motion Plus engaged versus 300 without it on its 55-inch unit; these are reviewer measurements, not panel Hz. It also saw occasional motion hiccups after scene cuts and mild 3D film judder.
Viewing angleBoth independent 58-inch tests found contrast and colour deteriorated away from the centre seat.HDTVTest found blacks and colours washed out beyond about 40 degrees off-axis on its 55-inch review unit. The curve did not materially improve its viewing angle.
Sizes
Sizes58, 65″48, 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
Auto low latency mode–No
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 HDMI 1.4 3D and ARC according to Samsung's UK 55-inch table. The same table lists one SCART, component and composite inputs, a headphone output and optical audio. No 4K or HDMI 2.1 input is stated.
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.34 ms in Game Mode on the 55-inch HDTVTest unit, measured with a Leo Bodnar tester; AVForums reports the same figure on its sample. This is a reviewer measurement.
Game features–Manual Game Mode in Samsung's UK specification. No maker-confirmed variable refresh or automatic low-latency switching.
Smart TV and sound
Smart TV platformmy Home ScreenSamsung Smart TV
ProcessorStudio Master HCX+Quad Core+; 3D HyperReal Engine picture processing
Speakers40 W40 W, 2.1 channels
eARC–No
Wi-FiBuilt-in dual-band IEEE 802.11a/b/g/nBuilt-in Wi-Fi
BluetoothBluetooth 3.0 for accessories and active 3D glasses–
Speaker detailPanasonic specifies four 10 W speakers, totalling 40 W.Samsung's UK tables give 40 W total for each size, with two 10 W drivers and a 20 W woofer. AVForums rated sound good for a thin TV, while HDTVTest concentrated on picture performance.
Audio featuresActive-shutter 3D glasses are supported by Bluetooth but sold separately; 3.5 mm headphone socket.Dolby MS11, DTS Premium Sound 5.1, TV SoundConnect, optical output and HDMI ARC on Samsung's 55-inch UK table.
Voice assistants–Samsung's 2014 voice control is listed for the UK; an optional camera was needed for gesture and face features. Original online voice services may no longer work.
CastingPanasonic's my Home Screen 2.0 offers network media, screen mirroring and streaming apps; service availability varies over time.Samsung Smart View, Screen Mirroring, Wi-Fi Direct and local content streaming appear in the UK 55-inch table. Current app and service availability is not guaranteed.
TV tunersUK DVB-S/S2 Freesat, DVB-T/T2 Freeview HD and PAL I analogue tuners; two satellite inputs.Samsung's UK 55-inch table lists analogue, DVB-T/C/S2 and twin tuners, plus USB recording and time shift. It does not explicitly list DVB-T2 in that table, so Freeview HD support is not inferred from a different regional variant.
USBTwo USB 2.0 ports and one USB 3.0 port; SD card slot.Three USB ports and USB recording in Samsung's UK 55-inch table.
EthernetRJ45 10/100 Ethernet.One Ethernet connection in Samsung's UK 55-inch table.
Optical audio outOptical digital audio output supports PCM and Dolby Digital.One optical digital audio output in Samsung's UK 55-inch table.
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 Samsung's UK size-specific tables: 48-inch 1078.6 × 625.9 × 79.2 mm; 55-inch 1232.8 × 713.3 × 89.8 mm; 65-inch 1451 × 838.4 × 107.3 mm. Configuration weights also exclude the stand.
StandSupplied angled pedestal; 400 × 400 mm wall-mount holes.Fixed curved stand. With-stand depth / weight from Samsung's UK tables: 48-inch 236.8 mm / 14.7 kg; 55-inch 236.8 mm / 18.9 kg; 65-inch 307.8 mm / 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.Samsung's UK 55-inch table lists 78 W typical, 158 W maximum and 0.3 W standby; the figures are not transferred to other sizes.
Energy classB for both UK sizes under the historical Panasonic product fiche.A+ for the UK 55-inch model under the energy-label scale used at launch, not today's A–G scale.
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 55-inch table lists two SSG-5100GB active 3D glasses, standard and Smart Control remotes, batteries, IR extender, power lead and manual. The camera is optional.

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