Comparison between TCL 55S446 vs TCL 43S405

General Info
Model Number	TCL 55S446	TCL 43S405

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Type	TV	TV
Year	2021	2017
Brand	TCL	TCL
Model Series	S446	S405
Model Number	55S446	43S405
Display
Screen Size Class	55" (inches)	43" (inches)
Diagonal Size	54.65 in 138.8 cm 1388 mm 4.55 ft	42.52 in 108 cm 1080 mm 3.54 ft
Screen Width	47.62 in 121 cm 1209.6 mm 3.97 ft	37.05 in 94.1 cm 941.184 mm 3.09 ft
Screen Height	26.79 in 68 cm 680.4 mm 2.23 ft	20.84 in 52.9 cm 529.416 mm 1.74 ft
Display Type	IPS-ADS	VA
Display Bit Depth	10 bits (8 bits + FRC)	10 bits (8 bits + FRC)
Frame Rate Control	Yes	Yes
Max Number of Colors	1073741824	1073741824
Bits	30	30
Screen Aspect Ratio	16:9	16:9
Screen Resolution	3840 x 2160	3840 x 2160
Screen Pixel Pitch	0.315 mm	0.245 mm
Screen Pixel Density	80 ppi	103 ppi
Screen-to-Body Ratio	92.56 %	90.83 %
Backlight Source	Direct LED	Direct LED
DCI P3		88%
Rec.2020		65
Screen Brightness	300 cd/m²	200 cd/m²
Static Screen Contrast	1000 : 1	4000 : 1
Screen Horizontal Viewing Angle	178 °	178 °
Screen Vertical Viewing Angle	178 °	178 °
Screen Input Lag		15 ms
Display Average Response Time		12 ms
Display Coating	Glossy
HDR	HDR10 HLG (Hybrid Log Gamma)	HDR10
3D	No	No
Size, weight, color
Case Depth	3.3 in 8.4 cm 83.9 mm 0.28 ft	2.9 in 7.4 cm 73.66 mm 0.24 ft
Case Weight	11.2 kg 25 lbs	7.5 kg 17 lbs
Case Width with Stand	48.7 in 123.7 cm 1237 mm 4.06 ft	38.3 in 97.3 cm 972.82 mm 3.19 ft
Case Height with Stand	30.4 in 77.2 cm 772.2 mm 2.53 ft	24.4 in 62 cm 619.76 mm 2.03 ft
Case Depth with Stand	11.81 in 30 cm 300 mm 0.98 ft	7.5 in 19.1 cm 190.5 mm 0.63 ft
Case Weight with Stand	11.3 kg 25 lbs	7.6 kg 17 lbs
Case Color	Black	Black
Hardware
CPU Cores		2
GPU Cores		2
TV Tuner	Analog (NTSC/PAL/SECAM) ATSC Clear QAM	Analog (NTSC/PAL/SECAM) Clear QAM ATSC
Built-in Camera	No	No
Network	LAN Wi-Fi 802.11a (IEEE 802.11a-1999) 802.11b (IEEE 802.11b-1999) 802.11g (IEEE 802.11g-2003) 802.11n (IEEE 802.11n-2009) 802.11n 5GHz 802.11ac (IEEE 802.11ac) Wi-Fi Direct	LAN Wi-Fi 802.11a (IEEE 802.11a-1999) 802.11b (IEEE 802.11b-1999) 802.11g (IEEE 802.11g-2003) 802.11n (IEEE 802.11n-2009) 802.11n 5GHz 802.11ac (IEEE 802.11ac)
Connectivity	3 x HDMI 2.0 1 x Cable/Antenna In (F-type female) 1 x S/PDIF 1 x 3.5 mm Audio Out 1 x AV Composite In 3.5 mm jack 1 x USB 2.0 1 x Ethernet RJ45	3 x HDMI 2.0 (ARC; CEC) 1 x Satellite In (Main; F-type female) 1 x S/PDIF 1 x 3.5 mm Audio Out 1 x AV Composite In (Video + L/R) 1 x USB 2.0 (max 0.5 A) 1 x Ethernet RJ45
Audio
Audio Speakers	2 x 8W	2 x 8W
Features
OS	Google TV	Roku TV
Cool Features	Disney+ Easy Voice Control Netflix YouTube Prime Video Google Assistant Alexa Chromecast built-in	HDCP (High-bandwidth Digital Content Protection) 2.2
Ergonomics
Case Width	48.7 in 123.7 cm 1237 mm 4.06 ft	38.3 in 97.3 cm 972.82 mm 3.19 ft
Case Height	28.3 in 71.9 cm 718.82 mm 2.36 ft	22.2 in 56.4 cm 563.9 mm 1.85 ft
Vesa Mount Support	Yes	Yes
VESA Interface Standard Size	300 x 300	100 x 100
Removable VESA Stand	Yes	Yes
Height Adjustment	No	No
Landscape or Portrait Pivot Support	No	No
Left or Right Swivel Support	No	No
Forward and Backward Tilt Support	No	No
Frequency and Interpolation
Vertical Digital Frequency	50 Hz / 60 Hz	60 Hz
Screen Interpolation Technology	Natural Motion	Clear Motion Index
Screen Interpolation Value	240	120
Screen Interpolation Measurement Unit	NM	CMI
Accessories
Extras	Voice-Enabled Remote Control	Remote control - RC282
Certificates and Standards
Licenses		RoHS
Usage and Storage Requirements
Safe Operating Temperature Level	5 °C - 35 °C 41 °F - 95 °F	5 °C - 35 °C 41 °F - 95 °F
Safe Operating Humidity Level	20 % - 80 %	20 % - 80 %
Internal Storage Temperature	-15 °C - 45 °C 5 °F - 113 °F	-15 °C - 45 °C 5 °F - 113 °F
Internal Storage Humidity	10 % - 90 %	10 % - 90 %

TCL 55S446

TCL 43S405