Comparison between TCL 43EP660 vs TCL 55EC780

General Info
Model Number	TCL 43EP660	TCL 55EC780

Price	Check on Amazon	Check on Amazon
Type	TV	TV
Year	2019	2019
Brand	TCL	TCL
Model Series	EP66	EC78
Model Number	43EP660	55EC780
Alias		55EC780X1
Display
Screen Size Class	43" (inches)	55" (inches)
Diagonal Size	42.52 in 108 cm 1080 mm 3.54 ft	54.65 in 138.8 cm 1388 mm 4.55 ft
Screen Width	37.05 in 94.1 cm 941.184 mm 3.09 ft	47.62 in 121 cm 1209.6 mm 3.97 ft
Screen Height	20.84 in 52.9 cm 529.416 mm 1.74 ft	26.79 in 68 cm 680.4 mm 2.23 ft
Display Type	VA	VA
Display Bit Depth	10 bits (8 bits + FRC)	10 bits
Frame Rate Control	Yes	No
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	0.245 mm	0.315 mm
Screen Pixel Density	103 ppi	80 ppi
Screen-to-Body Ratio	89.81 %	90.77 %
Backlight Source	Direct LED	Edge LED
Screen Brightness	290 cd/m²	400 cd/m²
Screen Horizontal Viewing Angle	178 °	178 °
Screen Vertical Viewing Angle	178 °	178 °
HDR	HDR10 HLG (Hybrid Log Gamma)	HDR10+ HDR Pro Dolby Vision
3D	No	No
Size, weight, color
Case Depth	3.07 in 7.8 cm 78 mm 0.26 ft	3.07 in 7.8 cm 78 mm 0.26 ft
Case Weight	7.5 kg 17 lbs	12.2 kg 27 lbs
Case Width with Stand	38.19 in 97 cm 970 mm 3.18 ft	48.9 in 124.2 cm 1242 mm 4.07 ft
Case Height with Stand	24.69 in 62.7 cm 627 mm 2.06 ft	30.75 in 78.1 cm 781 mm 2.56 ft
Case Depth with Stand	8.74 in 22.2 cm 222 mm 0.73 ft	8.66 in 22 cm 220 mm 0.72 ft
Case Weight with Stand	7.6 kg 17 lbs	12.4 kg 27 lbs
Case Color	Black	Black
Hardware
CPU Cores	4
Internal Storage	16
TV Tuner	Analog (NTSC/PAL/SECAM) DVB-T2 DVB-S2 DVB-C DVB-T DVB-S	Analog (NTSC/PAL/SECAM) DVB-T DVB-T2 DVB-C DVB-S DVB-S2
Built-in Camera	No	No
Network	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	Wi-Fi 802.11b (IEEE 802.11b-1999) 802.11g (IEEE 802.11g-2003) 802.11n (IEEE 802.11n-2009) 802.11n 5GHz Wi-Fi Direct DLNA 1.5
Connectivity	2 x HDMI 2.0 (ARC; CEC; MHL) 1 x Satellite In (Main; F-type female) 1 x S/PDIF 1 x Antenna (RF) (female) 1 x 3.5 mm Audio Out 1 x AV Composite In (Video + L/R) 1 x USB 2.0 1 x CI+ 1 x Ethernet RJ45	2 x HDMI 2.0 (b; HDCP 2.2) 1 x HDMI 2.0 (b; HDCP 2.2; MHL; ARC) 1 x RCA Video In 1 x 3.5 mm Audio Out 1 x Optical Audio Out 1 x Satellite In 2 x USB 2.0 1 x Antenna (RF) 1 x Ethernet RJ45 1 x CI+ 1.4
Audio
Audio Speakers	2 x 8W	4 x 13W
Features
OS	Android 9.0 Pie	Android 9.0 Pie
Cool Features	IPQ Engine Mega Dynamic Contrast Picture-in-Picture UHD Upscaling UHD Color Extender Noise Reduction Dimming Pro Wide Color Gamut HDCP (High-bandwidth Digital Content Protection) 2.2	HDCP (High-bandwidth Digital Content Protection) 2.2 Picture noise reduction Wide Color Gamut Game mode / Film Mode / Sports mode Google Assistant
Extra Features		Remote control - RC602S6+RC802N6
Ergonomics
Case Width	38.19 in 97 cm 970 mm 3.18 ft	48.9 in 124.2 cm 1242 mm 4.07 ft
Case Height	22.52 in 57.2 cm 572 mm 1.88 ft	28.74 in 73 cm 730 mm 2.4 ft
Vesa Mount Support	Yes	Yes
VESA Interface Standard Size	100 x 100	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	Picture Performance Index	Picture Performance Index
Screen Interpolation Value	1200	2000
Screen Interpolation Measurement Unit	PPI	PPI
Accessories
Extras	Remote control - RC802N6
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 % - 25 %
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 43EP660

TCL 55EC780