Comparison between BenQ GL2580HM vs Dell P2421D

General Info
Model Number	BenQ GL2580HM	Dell P2421D

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2017	2020
Brand	BenQ	Dell
Model Number	GL2580HM	P2421D
Display
Screen Size Class	25" (inches)	24" (inches)
Diagonal Size	24.5 in 62.2 cm 622.3 mm 2.04 ft	23.78 in 60.4 cm 604 mm 1.98 ft
Screen Width	21.41 in 54.4 cm 543.744 mm 1.78 ft	20.74 in 52.7 cm 526.85 mm 1.73 ft
Screen Height	11.91 in 30.3 cm 302.616 mm 0.99 ft	11.67 in 29.6 cm 296.35 mm 0.97 ft
Display Type	TN	IPS
Display Bit Depth	8 bits (6 bits + FRC)	8 bits (6 bits + FRC)
Frame Rate Control	Yes	Yes
Max Number of Colors	16777216	16777216
Bits	24	24
Screen Aspect Ratio	16:9	16:9
Screen Resolution	1920 x 1080	2560 x 1440
Screen Pixel Pitch	0.283 mm	0.206 mm
Screen Pixel Density	89 ppi	123 ppi
Screen-to-Body Ratio	88.88 %	90.13 %
Backlight Source	W-LED	W-LED
sRGB		99 %
NTSC 1953	72 %
Screen Brightness	250 cd/m²	300 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	5 ms
Display Average Response Time		8 ms
Display Coating	Anti-glare/Matte	Anti-glare/Matte (3H)
3D	No
Size, weight, color
Case Depth	1.96 in 5 cm 49.7 mm 0.16 ft	1.68 in 4.3 cm 42.7 mm 0.14 ft
Case Weight	3.6 kg 8 lbs	3.37 kg 7 lbs
Case Width with Stand	21.95 in 55.7 cm 557.49 mm 1.83 ft	21.17 in 53.8 cm 537.8 mm 1.76 ft
Case Height with Stand	16.78 in 42.6 cm 426.33 mm 1.4 ft	14.02 in 35.6 cm 356.1 mm 1.17 ft
Case Depth with Stand	6.89 in 17.5 cm 175.11 mm 0.57 ft	6.54 in 16.6 cm 166 mm 0.54 ft
Case Weight with Stand	4.4 kg 10 lbs
Case Color	Black
Hardware
Built-in Camera	No	No
Connectivity	1 x D-sub 1 x 3.5 mm Microphone In 1 x 3.5 mm Audio Out 2 x HDMI 1.4 1 x DVI-D Dual Link	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	HDCP (High-bandwidth Digital Content Protection) Low Blue Light AMA (Advanced Motion Accelerator) Flicker-free technology	Flicker-free technology Low Blue Light
Extra Features	Anti-theft stand lock slot - Kensington	Security lock slot
Ergonomics
Case Width	21.95 in 55.7 cm 557.49 mm 1.83 ft	21.17 in 53.8 cm 537.8 mm 1.76 ft
Case Height	13.07 in 33.2 cm 332.08 mm 1.09 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	No	Yes
Height Adjustment Range		130 mm 13 cm 5.1181 in 0.4265 ft
Landscape or Portrait Pivot Support	No	Yes
Left Pivot		90 °
Right Pivot		90 °
Left or Right Swivel Support	No	Yes
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	60 Hz
Horizontal Digital Frequency	30 kHz - 83 kHz
Screen Interpolation Measurement Unit		NULL
Accessories
Extras	HDMI cable	DisplayPort cable USB Type-C cable
Certificates and Standards
Licenses	ENERGY STAR 7.0 Epeat Silver TCO 7.0 TÜV Low Blue Light TÜV Flicker-free WHQL (Windows 10; Windows 8.1; Windows 8; Windows 7)	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 GL2580HM

Dell P2421D