Comparison between LG 24BK450H vs Dell S2421HN

General Info
Model Number	LG 24BK450H	Dell S2421HN

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Type	Monitor	Monitor
Year	2018	2020
Brand	LG	Dell
Model Number	24BK450H	S2421HN
Alias	24BK450H-B	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 Manufacturer	LG Display
Display Type	AH-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	20000 : 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)
HDR	HDR10
3D	No	No
Size, weight, color
Case Depth	1.46 in 3.7 cm 37 mm 0.12 ft	2.12 in 5.4 cm 53.8 mm 0.18 ft
Case Weight	3.9 kg 9 lbs	3.3 kg 7 lbs
Case Width with Stand	21.81 in 55.4 cm 554 mm 1.82 ft	21.17 in 53.8 cm 537.8 mm 1.76 ft
Case Height with Stand	14.17 in 36 cm 360 mm 1.18 ft	16.25 in 41.3 cm 412.8 mm 1.35 ft
Case Depth with Stand	9.41 in 23.9 cm 239 mm 0.78 ft	6.02 in 15.3 cm 152.8 mm 0.5 ft
Case Weight with Stand	4.1 kg 9 lbs	4.1 kg 9 lbs
Case Color	Black	Black, Silver
Hardware
TV Tuner	Analog (NTSC/PAL/SECAM) DVB-T DVB-T2 DVB-C
Built-in Camera	No	No
Network	LAN Wi-Fi 802.11b (IEEE 802.11b-1999) 802.11g (IEEE 802.11g-2003) 802.11n (IEEE 802.11n-2009) Wi-Fi Direct
Connectivity	1 x 3.5 mm Audio Out 1 x HDMI 1.4 1 x D-sub	2 x HDMI 1.4 1 x 3.5 mm Audio Out
Audio
Features
Cool Features	Flicker-free technology HDCP (High-bandwidth Digital Content Protection) Super Resolution+ DDC/CI Dynamic Action Sync	Flicker-free technology Low Blue Light 3-sided bezeless design AMD FreeSync technology
Extra Features		Anti-theft stand lock slot - Kensington S2421HN - silver S2421NX - black
Ergonomics
Case Width	21.85 in 55.5 cm 555 mm 1.82 ft	21.17 in 53.8 cm 537.8 mm 1.76 ft
Case Height	13.07 in 33.2 cm 332 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	75 x 75	100 x 100
Removable VESA Stand	Yes	Yes
Height Adjustment	Yes	No
Height Adjustment Range	120 mm 12 cm 4.7244 in 0.3937 ft
Landscape or Portrait Pivot Support	No	No
Left or Right Swivel Support	Yes	No
Left Swivel	177 °
Right Swivel	177 °
Forward and Backward Tilt Support	Yes	Yes
Forward Tilt	5 °	5 °
Backward Tilt	20 °	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 Technology	Picture Performance Index
Screen Interpolation Value	640
Screen Interpolation Measurement Unit	PPI	NULL
Accessories
Extras	D-sub cable HDMI cable	HDMI cable
Certificates and Standards
Licenses	BSMI CCC CE ENERGY STAR ErP FCC Class B TÜV/GS 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 24BK450H

Dell S2421HN