TCL C835K vs TCL C845K

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C835K compared with C845K

	TCLC835K	TCLC845K
Overview
Released
Released	2022	2023
Display
Panel
Panel	Mini-LED	Mini-LED
Panel detail
Panel detail	Full-array Mini LED local dimming with quantum-dot colour	Quantum-dot LCD with full-array Mini LED local dimming
Resolution
Resolution	3840 × 2160 (4K)	3840 × 2160 (4K)
Refresh rate
Refresh rate	144 Hz	144 Hz
HDR formats
HDR formats	Dolby Vision, HDR10, HDR10+, HLG	Dolby Vision, HDR10, HDR10+, HLG
HDR extras
HDR extras	Dolby Vision IQ; IMAX Enhanced	Dolby Vision IQ; IMAX Enhanced
Peak brightness
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.	2,000 nits, maker peak claim; measured brightness depends on size, picture mode and test pattern
Picture processing
Picture processing	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	AiPQ 3.0 processing and Mini LED local dimming; both 2023 65-inch reviews found 576 zones on their tested units, not a series-wide count
Motion handling
Motion handling	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	TCL specifies a native 144 Hz maximum at 4K; Game Accelerator uses reduced-resolution processing
Sizes
Sizes
Sizes	55, 65″	55, 65, 75, 85″
Largest size
Largest size	65″	85″ (better)
Gaming
HDMI ports
HDMI ports	4 (HDMI 2.1 count unpublished)	4 (2 HDMI 2.1 at 4K 120 Hz+)
Variable refresh rate
Variable refresh rate	HDMI VRR, FreeSync Premium	HDMI VRR, FreeSync Premium Pro
Auto low latency mode
Auto low latency mode	Yes	Yes
HDMI detail
HDMI detail	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.	TCL labels all four sockets HDMI 2.1; AVForums verifies two 48 Gbps inputs on its UK review unit. HDMI 1 supports 4K 144 Hz and HDMI 2 supports 4K 120 Hz; HDMI 4 provides eARC separately.
Game features
Game features	Game Master Pro, game bar, ALLM and FreeSync Premium	Game Master Pro 2.0; ALLM; game bar; aiming aid and shadow enhancement
Smart TV and sound
Smart TV platform
Smart TV platform	Google TV	Google TV
Processor
Processor	AiPQ 2.0	AiPQ 3.0
Speakers
Speakers	2.1 channels	2.1 channels
Dolby Atmos
Dolby Atmos	Yes	Yes
eARC
eARC	Yes	Yes
Wi-Fi
Wi-Fi	Wi-Fi 6 (802.11ax/ac/n), dual-band MIMO	Wi-Fi 6 (802.11ax), dual-band MIMO
Bluetooth
Bluetooth	Bluetooth 5.2 (current exact K-model table)	–
Speaker detail
Speaker detail	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.	Exact K-model maker tables list 2 × 25 W plus 20 W on 55/65/85 inches, and 2 × 20 W plus 20 W on 75 inches. What Hi-Fi instead describes its 65-inch unit as 40 W; maker figures retained here without assuming equal revisions.
Audio features
Audio features	Dolby Atmos virtualisation and upmix; Dolby AC4 and TrueHD	Dolby Atmos; DTS Virtual:X processing
Voice assistants
Voice assistants	Hands-free Google Assistant and Works with Alexa; language and region availability apply	–
Casting
Casting	Chromecast and T-cast	Chromecast and T-cast; AirPlay 2 advertised on the exact K-model page
Software updates
Software updates	–	The maker tables and reviews describe the original 2023 range. Later C845 X1/X2 hardware and firmware differences remain unverified; no chipset identity or revision-specific performance is inferred.
TV tuners
TV tuners	DVB-T2/C/S2 and analogue tuner; CI+ 1.4 with ECP	DVB-T2/C/S2; analogue tuner; CI+ 1.4 with ECP
USB
USB	One USB 2.0 port	One USB 2.0 port in the exact K-model maker tables
Ethernet
Ethernet	RJ-45 LAN	RJ-45 LAN
Optical audio out
Optical audio out	Optical digital audio output; headphone connection also provided	Optical digital audio output
Design and power
Size
Size	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.	Configuration weights exclude stands
Stand
Stand	Central stand; 65-inch stand footprint 365 × 320 mm	–
VESA pattern
VESA pattern	400 × 400 mm for the 65-inch model	–
Energy class
Energy class	G for SDR and HDR on the exact June 2022 65C835K datasheet	–
Colours
Colours	Brushed titanium metal front	Brushed titanium metal front