Samsung LED F6400 vs TCL C745K

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LED F6400 compared with C745K

	SamsungLED F6400	TCLC745K
Overview
Released
Released	2013	2023
Display
Panel
Panel	LED LCD	LED LCD
Panel detail
Panel detail	Edge-lit LCD on the 40-inch HDTVTest sample. Samsung's family manual supports active 3D on 40-inch and larger models; its 200 Clear Motion Rate is not native refresh.	Quantum-dot LCD with full-array LED local dimming
Resolution
Resolution	1920 × 1080 (Full HD)	3840 × 2160 (4K) (better)
Refresh rate
Refresh rate	–	144 Hz
HDR formats
HDR formats	None	Dolby Vision, HDR10, HDR10+, HLG
HDR extras
HDR extras	–	Dolby Vision IQ; IMAX Enhanced
Peak brightness
Peak brightness	–	1,000 nits, maker peak claim; measured brightness depends on size, picture mode and test pattern
Picture processing
Picture processing	HDTVTest identifies 200 Clear Motion Rate, without the higher Series 7's Micro Dimming, on its 40-inch UK model. Samsung's older online specification table is empty.	AiPQ 3.0 processing and full-array local dimming; AVForums verifies 120 zones on its tested 55-inch model, not a series-wide count
Picture modes
Picture modes	HDTVTest's 40-inch set offers Movie mode, two- and ten-point white balance, colour management and separate blur and judder controls.	–
Motion handling
Motion handling	Native panel refresh is unpublished in the checked maker manual. HDTVTest found forced interpolation on 3D Blu-ray films in its 40-inch test, with judder when defeated using Game Mode.	TCL specifies native 144 Hz; maximum 4K refresh is 144 Hz. The 240 Hz Game Accelerator uses reduced-resolution Dual Line Gate processing.
Viewing angle
Viewing angle	HDTVTest observed colour and contrast washout beyond about 45 degrees off-axis on its 40-inch sample.	–
Sizes
Sizes
Sizes	32, 40, 46, 50, 55, 65, 75″	55, 65, 75″
Largest size
Largest size	75″	75″
Gaming
HDMI ports
HDMI ports	4 (0 HDMI 2.1 at 4K 120 Hz+)	4 (2 HDMI 2.1 at 4K 120 Hz+) (better)
Variable refresh rate
Variable refresh rate	None	HDMI VRR, FreeSync Premium Pro
Auto low latency mode
Auto low latency mode	No	Yes
HDMI detail
HDMI detail	Four HDMI sockets, component, composite and RGB SCART on the 40-inch UK set (HDTVTest and What Hi-Fi). The maker manual confirms HDMI-CEC; exact high-bandwidth features are not claimed.	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.
Input lag
Input lag	45 ms in Game Mode and 43 ms with the HDMI input labelled PC on the 40-inch sample, measured using a Leo Bodnar tester (HDTVTest).	–
Game features
Game features	Manual Game Mode; no variable refresh or automatic low-latency switching.	Game Master Pro 2.0; ALLM; game bar; aiming aid and shadow enhancement
Smart TV and sound
Smart TV platform
Smart TV platform	Samsung Smart TV	Google TV
Processor
Processor	Dual-core smart processor on the reviewed 40-inch model (HDTVTest)	AiPQ 3.0
Speakers
Speakers	–	30 W, 2.0 channels
Dolby Atmos
Dolby Atmos	–	Yes
eARC
eARC	No	Yes
Wi-Fi
Wi-Fi	Wi-Fi 802.11a/b/g/n	Wi-Fi 5 (802.11ac), dual-band MIMO
Speaker detail
Speaker detail	Samsung's UK family manual lists two 10 W speakers on 32-, 40-, 46-, 50-, 55- and 65-inch models, and two 15 W speakers on 75 inches.	2 × 15 W stereo, down-firing speakers
Audio features
Audio features	–	Dolby Atmos; DTS Virtual:X processing
Voice assistants
Voice assistants	Samsung's original Voice Recognition; What Hi-Fi found it limited and inconsistent in its 2014 test.	–
Casting
Casting	Screen Mirroring in Samsung's UK family manual.	Chromecast and T-cast; AirPlay 2 advertised on the exact K-model page
TV tuners
TV tuners	Freeview HD on the reviewed 40-inch UK set (HDTVTest and What Hi-Fi).	DVB-T2/C/S2; analogue tuner; CI+ 1.4 with ECP
USB
USB	Three USB ports on the reviewed 40-inch set (HDTVTest and What Hi-Fi).	One USB 2.0 port in the exact K-model maker tables
Ethernet
Ethernet	Wired LAN connection in Samsung's UK family manual.	RJ-45 LAN
Optical audio out
Optical audio out	Optical digital output on the reviewed 40-inch set (What Hi-Fi).	Optical digital audio output
Design and power
Size
Size	Width × height × depth without stands from Samsung's UK manual: 32-inch 738.2 × 437 × 49.5 mm; 40-inch 928.2 × 543.8 × 49.6 mm; 46-inch 1059.8 × 617.7 × 49.6 mm; 50-inch 1135.6 × 659.6 × 49.8 mm; 55-inch 1250.4 × 724.6 × 48.8 mm; 65-inch 1470.1 × 848.2 × 55.9 mm; 75-inch 1678.8 × 960 × 57 mm. Configuration weights exclude stands.	55-inch television 1,225 × 711 mm without stand and 1,225 × 771 × 316 mm with stand (width × height × depth). Configuration weights exclude stands.
Stand
Stand	Samsung's UK manual specifies 20 degrees of swivel each way on 32- to 65-inch models, and no swivel on 75 inches.	–
VESA pattern
VESA pattern	Samsung's UK manual lists 200 × 200 mm for 32 and 40 inches, and 400 × 400 mm for 46 to 75 inches.	400 × 300 mm (55 inches), 300 × 300 mm (65 inches) and 400 × 400 mm (75 inches), per exact UK maker datasheets
Colours
Colours	–	Brushed titanium metal front
In the box
In the box	Smart Touch and standard remotes with batteries, IR extension cable, CI adaptor, power cord and instructions. The maker manual includes active 3D glasses only for 40-inch and larger models.	–