Comparison between LG 27UK670 vs Dell U2421HE

General Info
Model Number	LG 27UK670	Dell U2421HE

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2019	2020
Brand	LG	Dell
Model Number	27UK670	U2421HE
Alias	27UK670-B
Display
Screen Size Class	27" (inches)	24" (inches)
Diagonal Size	26.96 in 68.5 cm 684.7 mm 2.25 ft	23.81 in 60.5 cm 604.7 mm 1.98 ft
Screen Width	23.49 in 59.7 cm 596.736 mm 1.96 ft	20.75 in 52.7 cm 527.04 mm 1.73 ft
Screen Height	13.22 in 33.6 cm 335.664 mm 1.1 ft	11.67 in 29.6 cm 296.46 mm 0.97 ft
Display Manufacturer	LG Display
Display Type	AH-IPS	IPS
Display Bit Depth	10 bits (8 bits + FRC)	8 bits
Frame Rate Control	Yes
Max Number of Colors	1073741824	16777216
Bits	30	24
Screen Aspect Ratio	16:9	16:9
Screen Resolution	3840 x 2160	1920 x 1080
Screen Pixel Pitch	0.155 mm	0.275 mm
Screen Pixel Density	163 ppi	92 ppi
Screen-to-Body Ratio	89.62 %	92.49 %
Backlight Source	W-LED	W-LED
DCI P3		89%
sRGB	99 %	99 %
Screen Brightness	300 cd/m²	250 cd/m²
Static Screen Contrast	1000 : 1	1000 : 1
Screen Horizontal Viewing Angle	178 °	178 °
Screen Vertical Viewing Angle	178 °	178 °
Display Minimum Response Time	5 ms	5 ms
Display Average Response Time	14 ms	8 ms
Display Coating	Anti-glare/Matte (3H)	Anti-glare/Matte (3H)
3D	No	No
Size, weight, color
Case Depth	1.76 in 4.5 cm 44.6 mm 0.15 ft	1.54 in 3.9 cm 39 mm 0.13 ft
Case Weight	4.8 kg 11 lbs	3.37 kg 7 lbs
Case Width with Stand	24.14 in 61.3 cm 613.2 mm 2.01 ft	21.2 in 53.9 cm 538.5 mm 1.77 ft
Case Height with Stand	15.64 in 39.7 cm 397.3 mm 1.3 ft	13.72 in 34.8 cm 348.4 mm 1.14 ft
Case Depth with Stand	9.88 in 25.1 cm 251 mm 0.82 ft	6.5 in 16.5 cm 165 mm 0.54 ft
Case Weight with Stand	7 kg 15 lbs	5.32 kg 12 lbs
Case Color	Black	Black
Hardware
Built-in Camera	No	No
Connectivity	2 x HDMI 2.0 1 x DisplayPort 1.2 1 x 3.5 mm Audio Out 2 x USB 3.0 (downstream) 1 x USB 3.0 (Type-C - 40 W)	1 x USB 3.1 (Type-C; upstream; DP; 65W) 1 x Ethernet RJ45 1 x DisplayPort 1.4 1 x 3.5 mm Audio Out 1 x DisplayPort 1.4 (Output MST) 1 x HDMI 1.4 2 x USB 3.0 (downstream) 2 x USB 3.0 (downstream; BC 1.2)
Audio
Features
Cool Features	Black Stabilizer DDC/CI Flicker-free technology Low Blue Light HDCP (High-bandwidth Digital Content Protection) 2.2 Dynamic Action Sync 6-Axis Control Screen Split 2.0 AMD FreeSync technology	Flicker-free technology Low Blue Light
Extra Features	Anti-theft stand lock slot	Security lock slot
Ergonomics
Case Width	24.14 in 61.3 cm 613.2 mm 2.01 ft	21.2 in 53.9 cm 538.5 mm 1.77 ft
Case Height	14.35 in 36.5 cm 364.5 mm 1.2 ft	12.35 in 31.4 cm 313.7 mm 1.03 ft
Vesa Mount Support	Yes	Yes
VESA Interface Standard Size	100 x 100	100 x 100
Removable VESA Stand	Yes	Yes
Height Adjustment	Yes	Yes
Height Adjustment Range	130 mm 13 cm 5.1181 in 0.4265 ft	130 mm 13 cm 5.1181 in 0.4265 ft
Landscape or Portrait Pivot Support	Yes	Yes
Left Pivot	0 °	90 °
Right Pivot	90 °	90 °
Left or Right Swivel Support	Yes	Yes
Left Swivel	178 °	40 °
Right Swivel	178 °	40 °
Forward and Backward Tilt Support	Yes	Yes
Forward Tilt	5 °	5 °
Backward Tilt	15 °	21 °
Frequency and Interpolation
Vertical Digital Frequency	56 Hz - 61 Hz	56 Hz - 76 Hz
Horizontal Digital Frequency	30 kHz - 135 kHz	30 kHz - 83 kHz
Screen Interpolation Measurement Unit		NULL
Accessories
Extras	DisplayPort cable HDMI cable USB Type-C cable	DisplayPort cable USB Type-C to Type-C cable
Certificates and Standards
Licenses	BSMI CCC CE cTick ENERGY STAR 7.0 ErP FCC Class B UL/cUL	ENERGY STAR EPEAT TCO Certified RoHS NFPA 99
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	10 % - 80 %	10 % - 80 %
Internal Storage Temperature	-20 °C - 60 °C -4 °F - 140 °F	-20 °C - 60 °C -4 °F - 140 °F
Internal Storage Humidity	5 % - 85 %	5 % - 90 %
Max Operating Altitude		5000
Max Storage Altitude		12192

LG 27UK670

Dell U2421HE