Comparison between TCL 55S421 vs LG 49UJ651V

General Info
Model Number	TCL 55S421	LG 49UJ651V

Price	Check on Amazon	Check on Amazon
Type	TV	TV
Year	2018	2017
Brand	TCL	LG
Model Series	S421	UJ651
Model Number	55S421	49UJ651V
Display
Screen Size Class	55" (inches)	49" (inches)
Diagonal Size	54.65 in 138.8 cm 1388 mm 4.55 ft	48.46 in 123.1 cm 1231 mm 4.04 ft
Screen Width	47.62 in 121 cm 1209.6 mm 3.97 ft	42.24 in 107.3 cm 1072.91 mm 3.52 ft
Screen Height	26.79 in 68 cm 680.4 mm 2.23 ft	23.76 in 60.4 cm 603.512 mm 1.98 ft
Display Manufacturer		LG Display
Display Type	VA	IPS
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	0.279 mm
Screen Pixel Density	80 ppi	91 ppi
Screen-to-Body Ratio	91.16 %	90.69 %
Backlight Source	Direct LED	Direct LED
Screen Brightness		400 cd/m²
Static Screen Contrast		1100 : 1
Screen Horizontal Viewing Angle	178 °	178 °
Screen Vertical Viewing Angle	178 °	178 °
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	3.11 in 7.9 cm 79 mm 0.26 ft
Case Weight	13.4 kg 29 lbs	11.3 kg 25 lbs
Case Width with Stand	49.1 in 124.7 cm 1247.1 mm 4.09 ft	43.58 in 110.7 cm 1107 mm 3.63 ft
Case Height with Stand	30.8 in 78.2 cm 782.3 mm 2.57 ft	27.76 in 70.5 cm 705 mm 2.31 ft
Case Depth with Stand	8.7 in 22.1 cm 221 mm 0.73 ft	9.17 in 23.3 cm 233 mm 0.76 ft
Case Weight with Stand	13.6 kg 30 lbs	11.5 kg 25 lbs
Case Color	Black	Gray
Hardware
CPU Cores	2
GPU Cores	2
TV Tuner	Analog (NTSC/PAL/SECAM) Clear QAM ATSC	Analog (NTSC/PAL/SECAM) DVB-T DVB-T2 DVB-C DVB-S2 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 802.11a (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) 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	4 x HDMI 2.0 (ARC; CEC) 1 x Satellite In (Main; F-type female) 1 x AV Component In (YPbPr + L/R) 1 x Antenna (RF) (female) 1 x Optical Audio Out 1 x AV Composite In (Video + L/R) 2 x USB 2.0 1 x CI+ 1.3 1 x Ethernet RJ45
Audio
Audio Speakers	2 x 8W	2 x 10W
Features
OS	Roku TV	webOS 3.5
Cool Features	4K Creative Pro HDCP (High-bandwidth Digital Content Protection) 2.2	Colour Master Engine HDCP (High-bandwidth Digital Content Protection) 2.2 PVR ULTRA Luminance SIMPLINK (HDMI CEC) Local Dimming 4K Upscaler Voice command (ready) Active HDR
Ergonomics
Case Width	49.1 in 124.7 cm 1247.1 mm 4.09 ft	43.58 in 110.7 cm 1107 mm 3.63 ft
Case Height	28.5 in 72.4 cm 723.9 mm 2.38 ft	25.39 in 64.5 cm 645 mm 2.12 ft
Vesa Mount Support	Yes	Yes
VESA Interface Standard Size	200 x 200	300 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	Clear Motion Index	Picture Mastering Index
Screen Interpolation Value	120	1900
Screen Interpolation Measurement Unit	CMI	PMI
Accessories
Extras	Remote control - RC282	Magic remote control - AN-MR650A (ready)
Certificates and Standards
Licenses	RoHS	ENERGY STAR RoHS UL/cUL
Usage and Storage Requirements
Safe Operating Temperature Level	5 °C - 35 °C 41 °F - 95 °F	0 °C - 40 °C 32 °F - 104 °F
Safe Operating Humidity Level	20 % - 80 %	10 % - 80 %
Internal Storage Temperature	-15 °C - 45 °C 5 °F - 113 °F	-20 °C - 60 °C -4 °F - 140 °F
Internal Storage Humidity	10 % - 90 %	5 % - 85 %

TCL 55S421

LG 49UJ651V