TCL C845K vs TCL C8L

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C845K compared with C8L

	TCLC845K	TCLC8L
Overview
Released
Released	2023	May 2026
Display
Panel
Panel	Mini-LED	Mini-LED
Panel detail
Panel detail	Quantum-dot LCD with full-array Mini LED local dimming	SQD-Mini LED (Super Quantum Dot) on a CSOT WHVA 2.0 Ultra panel (HVA 2.0 on the 55″); dimming zones 1,008 (55″), 2,040 (65″), 2,584 (75″), 3,200 (85″), 4,032 (98″)
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, HDR10+, IMAX Enhanced; Dolby Vision 2 promised in a future software update
Screen finish
Screen finish	–	0.5% low-reflection film
Peak brightness
Peak brightness	2,000 nits, maker peak claim; measured brightness depends on size, picture mode and test pattern	Up to 3,000 nits (55″), 5,000 (65″), 5,500 (75″) and 6,000 (85″, 98″) (TCL); about 3,500 nits sustained and 5,000 nits peak measured on the 65-inch (FlatpanelsHD)
Colour range
Colour range	–	Up to 100% BT.2020 (area ratio, TCL lab figure)
Picture processing
Picture processing	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	AI ClarityMaster, AI ContrastMaster, AI ColourMaster, AI MotionMaster; 26-bit dynamic dimming; Super Condensed Micro Lens and Micro-OD backlight
Motion handling
Motion handling	TCL specifies a native 144 Hz maximum at 4K; Game Accelerator uses reduced-resolution processing	–
Sizes
Sizes
Sizes	55, 65, 75, 85″	55, 65, 75, 85, 98″
Largest size
Largest size	85″	98″ (better)
Gaming
HDMI ports
HDMI ports	4 (2 HDMI 2.1 at 4K 120 Hz+)	4 (all HDMI 2.1 at 4K 120 Hz+) (better)
Variable refresh rate
Variable refresh rate	HDMI VRR, FreeSync Premium Pro	HDMI VRR, FreeSync Premium Pro
Auto low latency mode
Auto low latency mode	Yes	Yes
HDMI detail
HDMI detail	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.	4 × HDMI 2.1; eARC/ARC; HDMI CEC
Variable refresh range
Variable refresh range	–	48–288 Hz (288 Hz via the Game Accelerator at lower resolutions)
Input lag
Input lag	–	12.4 ms at 4K 60 Hz and 7.8 ms at 1440p 120 Hz (FlatpanelsHD, 65-inch)
Game features
Game features	Game Master Pro 2.0; ALLM; game bar; aiming aid and shadow enhancement	Game Master, Gamebar, 288 Hz VRR Game Accelerator
Smart TV and sound
Smart TV platform
Smart TV platform	Google TV	Google TV
Processor
Processor	AiPQ 3.0	TSR AiPQ Processor (MediaTek Pentonic 800)
Speakers
Speakers	2.1 channels	2.1 channels
Dolby Atmos
Dolby Atmos	Yes	Yes
DTS:X
DTS:X	–	Yes
eARC
eARC	Yes	Yes
Wi-Fi
Wi-Fi	Wi-Fi 6 (802.11ax), dual-band MIMO	Wi-Fi 6
Bluetooth
Bluetooth	–	5.4
Speaker detail
Speaker detail	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 by Bang & Olufsen, 2.1-channel surround design with Hi-END speakers; TCL lists no power figure
Audio features
Audio features	Dolby Atmos; DTS Virtual:X processing	Beosonic sound tuning by Bang & Olufsen
Voice assistants
Voice assistants	–	Google Assistant built in; hands-free voice control
Casting
Casting	Chromecast and T-cast; AirPlay 2 advertised on the exact K-model page	Google Cast (Chromecast), AirPlay 2, Miracast
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.	Software and firmware updates for at least 8 years after the model leaves the market (TCL product information sheet)
TV tuners
TV tuners	DVB-T2/C/S2; analogue tuner; CI+ 1.4 with ECP	–
USB
USB	One USB 2.0 port in the exact K-model maker tables	–
Ethernet
Ethernet	RJ-45 LAN	–
Optical audio out
Optical audio out	Optical digital audio output	–
Design and power
Size
Size	Configuration weights exclude stands	Without stand, 55″ 1226 × 710 × 55.9 mm; 65″ 1434 × 824 × 50 mm; 75″ 1658 × 949 × 51 mm; 85″ 1880 × 1073 × 53 mm; 98″ 2166 × 1236 × 54 mm
Stand
Stand	–	Stand footprint (W × D), 55″ 315 × 270 mm; 65″ 388 × 380 mm; 75″ 388 × 368 mm; 85″ 410 × 379 mm; 98″ 1885 × 420 mm
VESA pattern
VESA pattern	–	300 × 300 mm (55″, 65″); 400 × 400 mm (75″); 600 × 500 mm (85″, 98″)
Power use
Power use	–	SDR/HDR on mode, 55″ 64/250 W; 65″ 67/300 W; 75″ 85/400 W; 85″ 123/500 W; 98″ 124/520 W; 0.5 W standby, 2.0 W networked standby
Energy class
Energy class	–	SDR: E (55″, 85″), D (65″, 75″, 98″); HDR: G
Warranty
Warranty	–	2 years (UK); TCL UK's registration offer adds 3 years for purchases made by 30 June 2027
Colours
Colours	Brushed titanium metal front	–