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Panasonic VIERA AX902 vs TCL C835K

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

Better figure, where one is clearly better

PanasonicVIERA AX902TCLC835K
Overview
Released20142022
Display
PanelLED LCDMini-LED
Panel detailPanasonic specifies an LED LCD panel with Local Dimming Ultra. AVForums identifies the reviewed 55-inch panel as IPS with full-array direct backlighting and 128 zones; that zone count is not claimed for the 65-inch size. Panasonic's 3000 Hz Backlight Scanning claim is not a native refresh rate.Full-array Mini LED local dimming with quantum-dot colour
Resolution3840 × 2160 (4K)3840 × 2160 (4K)
Refresh rate–144 Hz
HDR formatsNoneDolby Vision, HDR10, HDR10+, HLG
HDR extras–Dolby Vision IQ; IMAX Enhanced
Peak brightness–Exact 65C835K June 2022 datasheet claims HDR brightness of 1,500 nits; current K-family page advertises HDR Premium 1000. These are maker claims rather than measurements and are not treated as a uniform series brightness.
Picture processingStudio Master Drive, Local Dimming Ultra, Studio Master Colour, 4K Pure Direct and Intelligent Frame Creation Pro. The 55-inch zone count is reported by AVForums, not the UK manual.Fourth-generation full-array Mini LED with quantum-dot colour; AiPQ 2.0 processing; UHD Deep Learning AI upscaling; 3D LUT and multipoint calibration controls
Picture modesDynamic, Normal, Cinema, THX Cinema, THX Bright Room, True Cinema, Monitor, Custom, Professional 1 and Professional 2; BT.1886 gamma is available.–
Motion handlingHDTVTest found clear motion with Intelligent Frame Creation enabled but mild 24p judder; AVForums preferred turning interpolation off for films.Native 144 Hz display; exact 65C835K datasheet specifies 4K 144 Hz 4:4:4 at 10 bits and 4K 120 Hz 4:4:4 at 12 bits
Viewing angleThe reviewed 55-inch IPS panel retained contrast and colour better off-axis than many contemporary VA LCDs according to HDTVTest.–
Sizes
Sizes55, 65″55, 65″
Largest size65″65″
Gaming
HDMI ports4 (0 HDMI 2.1 at 4K 120 Hz+)4 (HDMI 2.1 count unpublished)
Variable refresh rateNoneHDMI VRR, FreeSync Premium
Auto low latency mode–Yes
HDMI detailFour HDMI inputs support 4K and 3D; HDMI2 supports ordinary Audio Return Channel. The UK manual also lists DisplayPort for 4K, one SCART, component and composite inputs, CI+ and an SD card slot. HDTVTest confirmed full HDMI 2.0 bandwidth and HDCP 2.2 on the reviewed 55-inch unit.Four inputs labelled HDMI 2.1 by TCL; full-bandwidth input count is not separately published in the exact maker datasheet. eARC is on HDMI 4.
Game features–Game Master Pro, game bar, ALLM and FreeSync Premium
Input lagAVForums measured 90 ms in Game mode on the 55-inch set; HDTVTest measured 87 ms on its separate 55-inch sample.–
Smart TV and sound
Smart TV platformmy Home ScreenGoogle TV
ProcessorQuad Core Pro5AiPQ 2.0
Speakers18 W2.1 channels
Dolby Atmos–Yes
eARC–Yes
Wi-FiBuilt-in dual-band IEEE 802.11a/b/g/nWi-Fi 6 (802.11ax/ac/n), dual-band MIMO
BluetoothBluetooth 3.0 for accessoriesBluetooth 5.2 (current exact K-model table)
Speaker detailPanasonic specifies 4 W + 4 W stereo drivers and a 10 W woofer.Onkyo 2.1 system with bass speaker. The exact 65C835K June 2022 datasheet lists 2 × 10 W plus 20 W, while the current maker table lists 2 × 15 W plus 30 W; aggregate power is omitted because the maker sources conflict.
Audio features3.5 mm headphone socket and Bluetooth accessory support.Dolby Atmos virtualisation and upmix; Dolby AC4 and TrueHD
Voice assistants–Hands-free Google Assistant and Works with Alexa; language and region availability apply
CastingPanasonic's my Home Screen platform supports network media, TV Anywhere, screen mirroring and streaming apps; service availability varies over time.Chromecast and T-cast
TV tunersUK DVB-S/S2 Freesat, DVB-T/T2 Freeview HD and PAL I analogue tuners; two satellite dish inputs.DVB-T2/C/S2 and analogue tuner; CI+ 1.4 with ECP
USBTwo USB 2.0 ports and one USB 3.0 port support media and recording to a registered drive; SD card slot.One USB 2.0 port
EthernetRJ45 10/100/1000 Ethernet for network services and local sharing.RJ-45 LAN
Optical audio outFibre-optic PCM, Dolby Digital and DTS output.Optical digital audio output; headphone connection also provided
Design and power
SizeTV only: 55-inch 1238 × 741 × 59 mm and 26 kg; 65-inch 1457 × 864 × 60 mm and 35 kg. With pedestal: 55-inch 1238 × 740 × 283 mm and 40 kg; 65-inch 1457 × 863 × 356 mm and 52 kg.65-inch model is 1,447 × 840 mm without stand, with maker-listed depth profile 15.3–32–69 mm; 1,447 × 867 × 320 mm with stand (width × height × depth). Its configuration weight excludes the stand; 26.3 kg with stand.
StandSupplied rear-weighted pedestal. Panasonic lists 400 × 400 mm wall mounting holes.Central stand; 65-inch stand footprint 365 × 320 mm
VESA pattern–400 × 400 mm for the 65-inch model
Power usePanasonic product fiche on-mode average: 210 W for 55 inches and 229 W for 65 inches; 0.30 W standby and off mode for both.–
Energy classC for UK 55-inch and B for UK 65-inch under the historical Panasonic product fiche.G for SDR and HDR on the exact June 2022 65C835K datasheet
ColoursBlack glass front with silver edge trim.Brushed titanium metal front
In the boxStandard and touchpad remotes, two pairs of passive 3D glasses, pedestal, mains lead and instructions. Panasonic's 2014 UK model list and manual confirm 55- and 65-inch AX902B sets; the distinct 85-inch TX-85X942B is excluded. Exact first-sale month remains unconfirmed; contemporary UK coverage places availability in November 2014.–

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