Comparison between BenQ BL2420PT vs Dell P2421D

General Info
Model Number	BenQ BL2420PT	Dell P2421D

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2014	2020
Brand	BenQ	Dell
Model Number	BL2420PT	P2421D
Display
Screen Size Class	24" (inches)	24" (inches)
Diagonal Size	23.81 in 60.5 cm 604.7 mm 1.98 ft	23.78 in 60.4 cm 604 mm 1.98 ft
Screen Width	20.74 in 52.7 cm 526.85 mm 1.73 ft	20.74 in 52.7 cm 526.85 mm 1.73 ft
Screen Height	11.67 in 29.6 cm 296.35 mm 0.97 ft	11.67 in 29.6 cm 296.35 mm 0.97 ft
Display Manufacturer	AU Optronics
Display Type	AHVA IPS	IPS
Display Bit Depth	8 bits	8 bits (6 bits + FRC)
Frame Rate Control	No	Yes
Max Number of Colors	16777216	16777216
Bits	24	24
Screen Aspect Ratio	16:9	16:9
Screen Resolution	2560 x 1440	2560 x 1440
Screen Pixel Pitch	0.206 mm	0.206 mm
Screen Pixel Density	123 ppi	123 ppi
Screen-to-Body Ratio	81.85 %	90.13 %
Backlight Source	W-LED	W-LED
sRGB	100 %	99 %
Adobe RGB 1998	77 %
Screen Brightness	300 cd/m²	300 cd/m²
Static Screen Contrast	1000 : 1	1000 : 1
Dynamic Screen Contrast	20000000 : 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
Size, weight, color
Case Depth	2.81 in 7.2 cm 71.5 mm 0.23 ft	1.68 in 4.3 cm 42.7 mm 0.14 ft
Case Weight		3.37 kg 7 lbs
Case Width with Stand	22.17 in 56.3 cm 563.2 mm 1.85 ft	21.17 in 53.8 cm 537.8 mm 1.76 ft
Case Height with Stand	15.15 in 38.5 cm 384.9 mm 1.26 ft	14.02 in 35.6 cm 356.1 mm 1.17 ft
Case Depth with Stand	9.43 in 24 cm 239.55 mm 0.79 ft	6.54 in 16.6 cm 166 mm 0.54 ft
Case Weight with Stand	7 kg 15 lbs
Case Color	Black
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)	1 x USB 3.0 (upstream) 1 x HDMI 1.4 1 x DisplayPort 1.2 2 x USB 2.0 (downstream) 2 x USB 3.0 (downstream)
Audio
Audio Speakers	2 x 1W
Features
Cool Features	CAD/CAM mode Display Pilot Light sensor Low Blue Light Flicker-free technology AMA (Advanced Motion Accelerator) Animation mode	Flicker-free technology Low Blue Light
Extra Features	Anti-theft stand lock slot - Kensington	Security lock slot
Ergonomics
Case Width	22.17 in 56.3 cm 563.2 mm 1.85 ft	21.17 in 53.8 cm 537.8 mm 1.76 ft
Case Height	13.33 in 33.9 cm 338.7 mm 1.11 ft	12.68 in 32.2 cm 322.1 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	Yes
Height Adjustment Range	140 mm 14 cm 5.5118 in 0.4593 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	45 °	45 °
Right Swivel	45 °	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	60 Hz
Horizontal Digital Frequency	30 kHz - 83 kHz
Screen Interpolation Measurement Unit		NULL
Accessories
Extras	Audio cable D-sub cable DVI-D cable USB 2.0 upstream cable	DisplayPort cable USB Type-C cable
Certificates and Standards
Licenses	ENERGY STAR 6.0 TCO 6.0	ENERGY STAR EPEAT RoHS TCO Certified Display
Usage and Storage Requirements
Safe Operating Temperature Level		0 °C - 40 °C 32 °F - 104 °F
Safe Operating Humidity Level		10 % - 90 %
Internal Storage Temperature		-20 °C - 60 °C -4 °F - 140 °F
Internal Storage Humidity		10 % - 90 %
Max Operating Altitude		5000
Max Storage Altitude		12192

BenQ BL2420PT

Dell P2421D