Comparison between Thomson 55UD6686 vs TCL 55EP660

General Info
Model Number	Thomson 55UD6686	TCL 55EP660

Price	Check on Amazon	Check on Amazon
Type	TV	TV
Year	2018	2019
Brand	Thomson	TCL
Model Series	D66	EP66
Model Number	55UD6686	55EP660
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 Curvature	4000
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	91.66 %	90.77 %
Backlight Source	Edge LED	Direct LED
Rec.2020	75
Screen Brightness	300 cd/m²	260 cd/m²
Static Screen Contrast	5000 : 1
Screen Horizontal Viewing Angle	178 °	178 °
Screen Vertical Viewing Angle	178 °	178 °
Screen Input Lag	20 ms
HDR	HDR10 HLG (Hybrid Log Gamma)	HDR10 HLG (Hybrid Log Gamma)
3D	No	No
Size, weight, color
Case Depth	3.98 in 10.1 cm 101 mm 0.33 ft	3.07 in 7.8 cm 78 mm 0.26 ft
Case Weight	14 kg 31 lbs	12.2 kg 27 lbs
Case Width with Stand	48.43 in 123 cm 1230 mm 4.04 ft	48.9 in 124.2 cm 1242 mm 4.07 ft
Case Height with Stand	30.75 in 78.1 cm 781 mm 2.56 ft	30.75 in 78.1 cm 781 mm 2.56 ft
Case Depth with Stand	10.47 in 26.6 cm 266 mm 0.87 ft	8.66 in 22 cm 220 mm 0.72 ft
Case Weight with Stand	14.8 kg 33 lbs	12.4 kg 27 lbs
Case Color	Gray	Black
Hardware
System on Chip or SoC	MediaTek MT5893
CPU	ARM Cortex-A73
CPU Cores	2	4
CPU Frequency	1500
GPU	ARM Mali-G71
RAM Memory Size	3
Internal Storage	16	16
TV Tuner	Analog (NTSC/PAL/SECAM) DVB-T2 DVB-S2 DVB-C DVB-T DVB-S	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) Wi-Fi Direct DLNA	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 AV Component In (YPbPr + L/R) 1 x 3.5 mm Audio Out 1 x S/PDIF 1 x AV Composite In (Video + L/R) 2 x USB 2.0 1 x Antenna (RF) (female) 1 x Ethernet RJ45 1 x CI+	3 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) 2 x USB 2.0 1 x CI+ 1 x Ethernet RJ45
Audio
Audio Speakers	2 x 10W	2 x 8W
Features
OS	Smart TV.3	Android 9.0 Pie
Cool Features	Micro Dimming Pure Image Ultra HD UHD Upscaling UHD Color Extender HDCP (High-bandwidth Digital Content Protection) 2.2 Mega Contrast	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
Ergonomics
Case Width	48.43 in 123 cm 1230 mm 4.04 ft	48.9 in 124.2 cm 1242 mm 4.07 ft
Case Height	28.74 in 73 cm 730 mm 2.4 ft	28.74 in 73 cm 730 mm 2.4 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	Picture Performance Index	Picture Performance Index
Screen Interpolation Value	1500	1200
Screen Interpolation Measurement Unit	PPI	PPI
Accessories
Extras	Remote control - RC802N2	Remote control - RC802N6
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 %

Thomson 55UD6686

TCL 55EP660