Comparison between TCL 55S405 vs TCL 55DP660

General Info
Model Number	TCL 55S405	TCL 55DP660

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Type	TV	TV
Year	2017	2018
Brand	TCL	TCL
Model Series	S405	P66
Model Number	55S405	55DP660
Alias		55DP661
Display
Screen Size Class	55" (inches)	55" (inches)
Diagonal Size	54.65 in 138.8 cm 1388 mm 4.55 ft	54.65 in 138.8 cm 1388 mm 4.55 ft
Screen Width	47.62 in 121 cm 1209.6 mm 3.97 ft	47.62 in 121 cm 1209.6 mm 3.97 ft
Screen Height	26.79 in 68 cm 680.4 mm 2.23 ft	26.79 in 68 cm 680.4 mm 2.23 ft
Display Manufacturer	CSOT
Display Type	VA	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	0.315 mm
Screen Pixel Density	80 ppi	80 ppi
Screen-to-Body Ratio	91.16 %	93.81 %
Backlight Source	Direct LED	Edge LED
DCI P3		94%
Rec.2020		65
Screen Brightness		320 cd/m²
Static Screen Contrast		3500 : 1
Screen Horizontal Viewing Angle	178 °	178 °
Screen Vertical Viewing Angle	178 °	178 °
Screen Input Lag		60 ms
Display Average Response Time		20 ms
HDR	HDR10	HDR10 HLG (Hybrid Log Gamma)
3D	No	No
Size, weight, color
Case Depth	3 in 7.6 cm 76.2 mm 0.25 ft	2.95 in 7.5 cm 75 mm 0.25 ft
Case Weight	13.4 kg 29 lbs	14.8 kg 33 lbs
Case Width with Stand	49.1 in 124.7 cm 1247.14 mm 4.09 ft	48.31 in 122.7 cm 1227 mm 4.03 ft
Case Height with Stand	30.8 in 78.2 cm 782.32 mm 2.57 ft	30.12 in 76.5 cm 765 mm 2.51 ft
Case Depth with Stand	8.7 in 22.1 cm 221 mm 0.73 ft	10.59 in 26.9 cm 269 mm 0.88 ft
Case Weight with Stand	13.6 kg 30 lbs	15 kg 33 lbs
Case Color	Black	Silver
Hardware
CPU Cores	2	4
GPU Cores	2
Internal Storage		16
TV Tuner	Analog (NTSC/PAL/SECAM) Clear QAM ATSC	Analog (NTSC/PAL/SECAM) DVB-T2 DVB-S2 DVB-C DVB-T DVB-S
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)	LAN Wi-Fi 802.11b (IEEE 802.11b-1999) 802.11g (IEEE 802.11g-2003) 802.11n (IEEE 802.11n-2009) Bluetooth Wi-Fi Direct DLNA
Connectivity	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	1 x Ethernet RJ45 3 x HDMI 2.0 (ARC; CEC; MHL) 1 x Video Component In 3.5 mm jack 1 x 3.5 mm Audio Out 1 x S/PDIF 1 x Satellite In (Main; F-type female) 1 x USB 2.0 1 x Antenna (RF) (female) 1 x USB 3.0 1 x CI+
Audio
Audio Speakers	2 x 8W	2 x 8W
Features
OS	Roku TV	Android 7.0 Nougat Android 8.0 Oreo
Cool Features	HDCP (High-bandwidth Digital Content Protection) 2.2	Micro Dimming Picture Noise Reduction Smart HDR UHD Upscaling UHD Premium Color Extender Pure Image Ultra HD HDCP (High-bandwidth Digital Content Protection) 2.2 Wide Color Gamut Mega Dynamic Contrast
Ergonomics
Case Width	49.1 in 124.7 cm 1247.14 mm 4.09 ft	48.31 in 122.7 cm 1227 mm 4.03 ft
Case Height	28.5 in 72.4 cm 723.9 mm 2.38 ft	28.15 in 71.5 cm 715 mm 2.35 ft
Vesa Mount Support	Yes	Yes
VESA Interface Standard Size	200 x 200	200 x 200
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	60 Hz	60 Hz
Screen Interpolation Technology	Clear Motion Index	Picture Performance Index
Screen Interpolation Value	120	1500
Screen Interpolation Measurement Unit	CMI	PPI
Accessories
Extras	Remote control - RC282	Remote control - RC802N1
Certificates and Standards
Licenses	RoHS	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 55S405

TCL 55DP660