Comparison between LG 24BK550Y vs Dell S2421HN

General Info
Model Number	LG 24BK550Y	Dell S2421HN

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2017	2020
Brand	LG	Dell
Model Number	24BK550Y	S2421HN
Alias	24BK550Y-B 24BK550Y-W	S2421NX
Display
Screen Size Class	24" (inches)	24" (inches)
Diagonal Size	23.78 in 60.4 cm 604 mm 1.98 ft	23.8 in 60.4 cm 604.478 mm 1.98 ft
Screen Width	20.75 in 52.7 cm 527.04 mm 1.73 ft	20.75 in 52.7 cm 527.04 mm 1.73 ft
Screen Height	11.67 in 29.6 cm 296.46 mm 0.97 ft	11.67 in 29.6 cm 296.46 mm 0.97 ft
Display Type	IPS	IPS
Display Bit Depth	8 bits (6 bits + FRC)	8 bits
Frame Rate Control	Yes
Max Number of Colors	16777216	16777216
Bits	24	24
Screen Aspect Ratio	16:9	16:9
Screen Resolution	1920 x 1080	1920 x 1080
Screen Pixel Pitch	0.275 mm	0.275 mm
Screen Pixel Density	92 ppi	92 ppi
Screen-to-Body Ratio	84.8 %	90.06 %
Backlight Source	W-LED	W-LED
NTSC 1953	72 %	72 %
Screen Brightness	250 cd/m²	250 cd/m²
Static Screen Contrast	1000 : 1	1000 : 1
Dynamic Screen Contrast	5000000 : 1
Screen Horizontal Viewing Angle	178 °	178 °
Screen Vertical Viewing Angle	178 °	178 °
Display Minimum Response Time	5 ms	4 ms
Display Average Response Time		8 ms
Display Coating	Anti-glare/Matte (3H)	Anti-glare/Matte (3H)
3D	No	No
Size, weight, color
Case Depth	2.3 in 5.8 cm 58.4 mm 0.19 ft	2.12 in 5.4 cm 53.8 mm 0.18 ft
Case Weight	3.6 kg 8 lbs	3.3 kg 7 lbs
Case Width with Stand	21.8 in 55.4 cm 553.72 mm 1.82 ft	21.17 in 53.8 cm 537.8 mm 1.76 ft
Case Height with Stand	15.1 in 38.4 cm 383.54 mm 1.26 ft	16.25 in 41.3 cm 412.8 mm 1.35 ft
Case Depth with Stand	9.4 in 23.9 cm 238.8 mm 0.78 ft	6.02 in 15.3 cm 152.8 mm 0.5 ft
Case Weight with Stand	5.7 kg 13 lbs	4.1 kg 9 lbs
Case Color	Black, White	Black, Silver
Hardware
Built-in Camera	No	No
Connectivity	1 x HDMI 1.4 1 x DisplayPort 1.2 1 x D-sub 1 x 3.5 mm Audio Out 1 x 3.5 mm Audio In 1 x DVI-D Dual Link 2 x USB 2.0 (downstream) 1 x USB 2.0 (upstream)	2 x HDMI 1.4 1 x 3.5 mm Audio Out
Audio
Audio Speakers	2 x 1.2W
Features
Cool Features	Flicker-free technology HDCP (High-bandwidth Digital Content Protection) Screen Split Super Resolution+ Picture-by-Picture 6-Axis Control DDC/CI	Flicker-free technology Low Blue Light 3-sided bezeless design AMD FreeSync technology
Extra Features	Anti-theft stand lock slot - Kensington	Anti-theft stand lock slot - Kensington S2421HN - silver S2421NX - black
Ergonomics
Case Width	21.8 in 55.4 cm 553.72 mm 1.82 ft	21.17 in 53.8 cm 537.8 mm 1.76 ft
Case Height	13.1 in 33.3 cm 332.74 mm 1.09 ft	12.7 in 32.3 cm 322.6 mm 1.06 ft
Vesa Mount Support	Yes	Yes
VESA Interface Standard Size	100 x 100	100 x 100
Removable VESA Stand	Yes	Yes
Height Adjustment	Yes	No
Height Adjustment Range	130 mm 13 cm 5.1181 in 0.4265 ft
Landscape or Portrait Pivot Support	Yes	No
Left Pivot	0 °
Right Pivot	90 °
Left or Right Swivel Support	No	No
Forward and Backward Tilt Support	Yes	Yes
Forward Tilt	5 °	5 °
Backward Tilt	35 °	21 °
Frequency and Interpolation
Vertical Digital Frequency	56 Hz - 75 Hz	48 Hz - 75 Hz
Horizontal Digital Frequency	30 kHz - 83 kHz	30 kHz - 83 kHz
Screen Interpolation Measurement Unit		NULL
Accessories
Extras	DisplayPort cable HDMI cable	HDMI cable
Certificates and Standards
Licenses	BSMI CB CCC CE ENERGY STAR 7.0 Epeat Gold ErP FCC Class B UL/cUL	ENERGY STAR 8.0 EPEAT RoHS TCO Certified TUV Flicker Free TUV Low Blue Light
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 24BK550Y

Dell S2421HN