Comparison between BenQ RL2450HT vs Dell S2421HN

General Info
Model Number	BenQ RL2450HT	Dell S2421HN

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2012	2020
Brand	BenQ	Dell
Model Number	RL2450HT	S2421HN
Alias		S2421NX
Display
Screen Size Class	24" (inches)	24" (inches)
Diagonal Size	24.07 in 61.1 cm 611.3 mm 2.01 ft	23.8 in 60.4 cm 604.478 mm 1.98 ft
Screen Width	20.92 in 53.1 cm 531.36 mm 1.74 ft	20.75 in 52.7 cm 527.04 mm 1.73 ft
Screen Height	11.77 in 29.9 cm 298.89 mm 0.98 ft	11.67 in 29.6 cm 296.46 mm 0.97 ft
Display Manufacturer	AU Optronics
Display Type	TN	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	0.277 mm	0.275 mm
Screen Pixel Density	91 ppi	92 ppi
Screen-to-Body Ratio	78.13 %	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	12000000 : 1
Screen Horizontal Viewing Angle	170 °	178 °
Screen Vertical Viewing Angle	160 °	178 °
Display Minimum Response Time	2 ms	4 ms
Display Average Response Time	5 ms	8 ms
Display Coating	Anti-glare/Matte (3H)	Anti-glare/Matte (3H)
3D	No	No
Size, weight, color
Case Depth	2.48 in 6.3 cm 63 mm 0.21 ft	2.12 in 5.4 cm 53.8 mm 0.18 ft
Case Weight		3.3 kg 7 lbs
Case Width with Stand	22.81 in 57.9 cm 579.3 mm 1.9 ft	21.17 in 53.8 cm 537.8 mm 1.76 ft
Case Height with Stand	16.61 in 42.2 cm 422 mm 1.38 ft	16.25 in 41.3 cm 412.8 mm 1.35 ft
Case Depth with Stand	9.06 in 23 cm 230 mm 0.75 ft	6.02 in 15.3 cm 152.8 mm 0.5 ft
Case Weight with Stand	6.07 kg 13 lbs	4.1 kg 9 lbs
Case Color	Black, White	Black, Silver
Hardware
Built-in Camera	No	No
Connectivity	1 x D-sub 1 x HDMI 1.4 1 x DVI-D Dual Link	2 x HDMI 1.4 1 x 3.5 mm Audio Out
Audio
Features
Cool Features	HDCP (High-bandwidth Digital Content Protection) Senseye 3 AMA (Advanced Motion Accelerator) Black eQualizer	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	22.81 in 57.9 cm 579.3 mm 1.9 ft	21.17 in 53.8 cm 537.8 mm 1.76 ft
Case Height	13.81 in 35.1 cm 350.9 mm 1.15 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	110 mm 11 cm 4.3307 in 0.3609 ft
Landscape or Portrait Pivot Support	Yes	No
Left Pivot	0 °
Right Pivot	90 °
Left or Right Swivel Support	Yes	No
Left Swivel	45 °
Right Swivel	45 °
Forward and Backward Tilt Support	Yes	Yes
Forward Tilt	5 °	5 °
Backward Tilt	20 °	21 °
Frequency and Interpolation
Vertical Digital Frequency	50 Hz - 76 Hz	48 Hz - 75 Hz
Horizontal Digital Frequency	30 kHz - 83 kHz	30 kHz - 83 kHz
Screen Interpolation Measurement Unit		NULL
Accessories
Extras	D-sub cable	HDMI cable
Certificates and Standards
Licenses	ENERGY STAR 5.1 TCO 5.1 WHQL (Windows Vista; Windows 7)	ENERGY STAR 8.0 EPEAT RoHS TCO Certified TUV Flicker Free TUV Low Blue Light
Usage and Storage Requirements
Safe Operating Temperature Level	5 °C - 40 °C 41 °F - 104 °F	0 °C - 40 °C 32 °F - 104 °F
Safe Operating Humidity Level	20 % - 90 %	10 % - 80 %
Internal Storage Temperature	-20 °C - 60 °C -4 °F - 140 °F	-20 °C - 60 °C -4 °F - 140 °F
Internal Storage Humidity	10 % - 90 %	5 % - 90 %
Max Operating Altitude		5000
Max Storage Altitude		12192

BenQ RL2450HT

Dell S2421HN