Panasonic VIERA CX802 vs Samsung UHD KU6400

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VIERA CX802 compared with UHD KU6400

	PanasonicVIERA CX802	SamsungUHD KU6400
Overview
Released
Released	2015	2016
Display
Panel
Panel	LED LCD	LED LCD
Panel detail
Panel detail	Panasonic specifies LED LCD with Local Dimming Pro. AVForums identified a VA panel and 18 direct-lit dimming zones on its 55-inch sample; these findings are not claimed for every size.	Flat LCD with LED backlight; VA panel on the 40-inch Digital Foundry and Tweakers review units. Panel type is not assigned to the other sizes.
Resolution
Resolution	3840 × 2160 (4K)	3840 × 2160 (4K)
HDR formats
HDR formats	HDR10	HDR10
Peak brightness
Peak brightness	–	Digital Foundry measured 400 nits peak brightness on its 40-inch sample; Tweakers measured 380 cd/m² at maximum backlight on its 40-inch sample. These are review measurements, not maker ratings.
HDR extras
HDR extras	HDR support was added by Panasonic's later firmware upgrade for the 50-, 55- and 65-inch UK CX802B models. The 40-inch model was excluded.	–
Picture processing
Picture processing	Panasonic lists Studio Master Drive, 4K Studio Master Processing, Local Dimming Pro and Studio Master Colour.	Active Crystal Colour, UHD Dimming, Contrast Enhancer and Auto Motion Plus. The maker's PQI 1500 and Motion Rate 100 labels are not native panel refresh rates; native Hz is left unpublished.
Motion handling
Motion handling	Panasonic's Intelligent Frame Creation is motion processing, not a stated native panel refresh rate.	–
Viewing angle
Viewing angle	AVForums and HDTVTest both found the reviewed 55-inch VA panel best viewed from near the centre.	–
Sizes
Sizes
Sizes	40, 50, 55, 65″	40, 43, 49, 55, 65″
Largest size
Largest size	65″	65″
Gaming
HDMI ports
HDMI ports	3 (0 HDMI 2.1 at 4K 120 Hz+)	3 (0 HDMI 2.1 at 4K 120 Hz+)
Variable refresh rate
Variable refresh rate	None	None
Auto low latency mode
Auto low latency mode	–	No
HDMI detail
HDMI detail	Three HDMI inputs support 4K and active 3D; HDMI 2 supports Audio Return Channel. Panasonic's HDR firmware instructions require an HDMI HDR setting for compatible inputs. SCART, component, composite and CI+ are also provided.	Three HDMI inputs with ARC and HDMI-CEC. Tweakers confirmed HDMI 2.0 and 4K 60 Hz PC input on its 40-inch European sample; enable HDMI UHD Color for full chroma text reproduction.
Input lag
Input lag	AVForums measured 39 ms on the 55-inch model.	21 ms in Game Mode on the 40-inch Tweakers sample. Digital Foundry lists 21 ms in its specifications table but 19 ms in its text; the conflicting figures are not combined.
Game features
Game features	–	Manual Game Mode; no variable refresh or automatic low-latency switching.
Smart TV and sound
Smart TV platform
Smart TV platform	my Home Screen	Tizen
Processor
Processor	4K Studio Master Processor	UHD Up-Scaling picture engine
Speakers
Speakers	–	20 W, 2.0 channels
eARC
eARC	–	No
Wi-Fi
Wi-Fi	Built-in 2.4/5 GHz IEEE 802.11a/b/g/n	Built-in Wi-Fi
Bluetooth
Bluetooth	Bluetooth 3.0	–
Speaker detail
Speaker detail	The UK manual specifies 20 W on the 40-inch model and 40 W on the 50-, 55- and 65-inch models.	Two-channel down-firing bass-reflex speakers with 20 W total output.
Audio features
Audio features	–	Dolby Digital Plus, DTS, Multiroom Link, TV SoundConnect and Bluetooth headset support.
Software updates
Software updates	–	Tizen smart TV platform; original app availability is not guaranteed today.
Casting
Casting	Firefox-based my Home Screen provides network media and internet apps; Freeview Play was added after launch. Service availability may have changed.	–
TV tuners
TV tuners	UK DVB-S/S2 Freesat and DVB-T/T2 Freeview HD, plus PAL I analogue reception; two satellite inputs.	Samsung's UK API lists DVB-T2 for 40 inches and DVB-T2/C/S2 for the larger sizes. Its regional app and tuner entries differ, so satellite support is not assumed for the 40-inch model.
USB
USB	Two USB 2.0 ports and one USB 3.0 port; SD card slot and USB HDD recording.	Two USB ports with media playback, recording and time shift.
Ethernet
Ethernet	10/100 Ethernet port.	Ethernet LAN port.
Optical audio out
Optical audio out	Optical PCM and Dolby Digital output; 3.5 mm headphone socket.	Optical digital audio output. Digital Foundry describes a headphone output, while Tweakers reports no 3.5 mm socket; no analogue headphone output is assigned.
Design and power
Size
Size	TV only, W × H × D: 40-inch 899 × 518 × 46 mm; 50-inch 1121 × 652 × 46 mm; 55-inch 1237 × 719 × 54 mm; 65-inch 1456 × 842 × 61 mm.	Width × height × depth without stands, from the UK manual: 40-inch 905.7 × 520.6 × 54.6 mm; 43-inch 968.8 × 565.2 × 55.4 mm; 49-inch 1101.4 × 639.7 × 55.2 mm; 55-inch 1237.2 × 716.1 × 55.2 mm; 65-inch 1458.1 × 841.4 × 54.9 mm. Configuration weights exclude stands.
Stand
Stand	Supplied pedestal; VESA mounting holes are 200 × 200 mm on 40 inches and 400 × 400 mm on larger sizes.	Fixed stand with no swivel. The UK manual overrides conflicting online table dimensions for 40 inches and with-stand height/depth for 55 inches. With-stand weights are 11.5, 12.7, 17.1, 19.6 and 26.8 kg respectively.
Power use
Power use	Panasonic product fiche on-mode averages: 74 W at 40 inches, 88 W at 50 inches, 112 W at 55 inches and 140 W at 65 inches.	–
Energy class
Energy class	Historical UK product fiche ratings are B for 40 inches and A for 50, 55 and 65 inches.	–
In the box
In the box	Standard and touchpad remote controls; active 3D glasses are not included according to AVForums. Exact UK first-sale month remains unconfirmed; the series was on sale by June 2015.	Samsung Smart Remote, batteries, power cable, manual and analogue breakout cable; additional remote wording varies by size in the maker tables.