Comparison between Toshiba 55U7863DA vs Toshiba 55LF621U19

General Info
Model Number	Toshiba 55U7863DA	Toshiba 55LF621U19

Price	Check on Amazon	Check on Amazon
Type	TV	TV
Year	2018	2018
Brand	Toshiba	Toshiba
Model Series	U78	LF621
Model Number	55U7863DA	55LF621U19
Alias	55U7863DG
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 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	90.03 %	90.41 %
Backlight Source	Edge LED	Edge LED
DCI P3	90%	80%
Rec.2020	70	58
Screen Brightness	300 cd/m²	350 cd/m²
Max Screen Brightness		400 cd/m²
Static Screen Contrast	3000 : 1	4500 : 1
Screen Horizontal Viewing Angle	178 °	178 °
Screen Vertical Viewing Angle	178 °	178 °
Screen Input Lag	25 ms	35 ms
Display Minimum Response Time		8 ms
Display Average Response Time		15 ms
HDR	HDR10 HLG (Hybrid Log Gamma) Dolby Vision	HDR10
3D	No	No
Size, weight, color
Case Depth	2.17 in 5.5 cm 55 mm 0.18 ft	3.66 in 9.3 cm 93 mm 0.31 ft
Case Weight		14.7 kg 32 lbs
Case Width with Stand	48.7 in 123.7 cm 1237 mm 4.06 ft	49.09 in 124.7 cm 1247 mm 4.09 ft
Case Height with Stand	29.65 in 75.3 cm 753 mm 2.47 ft	30.16 in 76.6 cm 766 mm 2.51 ft
Case Depth with Stand	7.52 in 19.1 cm 191 mm 0.63 ft	12.01 in 30.5 cm 305 mm 1 ft
Case Weight with Stand	22 kg 48 lbs	15 kg 33 lbs
Case Color	Black, Silver	Black
Hardware
CPU Cores	2	2
TV Tuner	Analog (NTSC/PAL/SECAM) DVB-T DVB-T2 DVB-C DVB-S DVB-S2	Analog (NTSC/PAL/SECAM) ATSC Clear QAM
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 Bluetooth 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 Wi-Fi Direct
Connectivity	3 x HDMI 2.0 (ARC; CEC) 1 x D-sub 1 x AV Composite In (Video + L/R) 1 x 3.5 mm Audio Out 1 x Optical Audio Out 1 x Satellite In (Main; F-type female) 2 x USB 2.0 1 x Antenna (RF) (female) 1 x Ethernet RJ45 1 x CI+ 1.3	3 x HDMI 2.0 (ARC; CEC) 1 x Satellite In (Main; F-type female) 1 x Optical Audio Out 1 x 3.5 mm Audio Out 1 x AV Composite In (Video + L/R) 1 x USB 2.0 1 x Ethernet RJ45
Audio
Audio Speakers	2 x 10W	2 x 10W
Features
OS	Smart TV	Amazon Fire TV
Cool Features	UHD Resolution Enhancer UHD Upscaler Wide Color Gamut HDCP (High-bandwidth Digital Content Protection) 2.2 PVR	HDCP (High-bandwidth Digital Content Protection) 2.2 Voice control
Ergonomics
Case Width	48.7 in 123.7 cm 1237 mm 4.06 ft	49.09 in 124.7 cm 1247 mm 4.09 ft
Case Height	29.09 in 73.9 cm 739 mm 2.42 ft	28.74 in 73 cm 730 mm 2.4 ft
Vesa Mount Support	Yes	Yes
VESA Interface Standard Size	400 x 200	200 x 300
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	Total Picture Quality
Screen Interpolation Value	2100
Screen Interpolation Measurement Unit	TPQ
Accessories
Extras		Voice remote with Alexa
Certificates and Standards
Licenses	RoHS	RoHS
Usage and Storage Requirements
Safe Operating Temperature Level	0 °C - 40 °C 32 °F - 104 °F	0 °C - 40 °C 32 °F - 104 °F
Safe Operating Humidity Level	0 % - 85 %	0 % - 85 %

Toshiba 55U7863DA

Toshiba 55LF621U19