Comparison between Dell P2421 vs BenQ EW2755ZH

General Info
Model Number	Dell P2421	BenQ EW2755ZH

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2020	2015
Brand	Dell	BenQ
Model Number	P2421	EW2755ZH
Display
Screen Size Class	24" (inches)	27" (inches)
Diagonal Size	24.06 in 61.1 cm 611 mm 2 ft	26.96 in 68.5 cm 684.7 mm 2.25 ft
Screen Width	20.41 in 51.8 cm 518.4 mm 1.7 ft	23.53 in 59.8 cm 597.6 mm 1.96 ft
Screen Height	12.76 in 32.4 cm 324 mm 1.06 ft	13.23 in 33.6 cm 336.15 mm 1.1 ft
Display Manufacturer		AU Optronics
Display Type	IPS	AMVA+ (Е2Е)
Display Bit Depth	8 bits	8 bits
Frame Rate Control		No
Max Number of Colors	16777216	16777216
Bits	24	24
Screen Aspect Ratio	16:10	16:9
Screen Resolution	1920 x 1200	1920 x 1080
Screen Pixel Pitch	0.27 mm	0.311 mm
Screen Pixel Density	94 ppi	81 ppi
Screen-to-Body Ratio	86.78 %
Backlight Source	W-LED	W-LED
sRGB	99 %
NTSC 1953		72 %
Screen Brightness	300 cd/m²	300 cd/m²
Static Screen Contrast	1000 : 1	3000 : 1
Dynamic Screen Contrast		20000000 : 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	12 ms
Display Coating	Anti-glare/Matte (3H)	Anti-glare/Matte
3D		No
Size, weight, color
Case Depth	1.74 in 4.4 cm 44.1 mm 0.14 ft
Case Weight	3.5 kg 8 lbs
Case Width with Stand	20.91 in 53.1 cm 531 mm 1.74 ft	24.17 in 61.4 cm 613.8 mm 2.01 ft
Case Height with Stand	14.6 in 37.1 cm 370.8 mm 1.22 ft	18.05 in 45.9 cm 458.5 mm 1.5 ft
Case Depth with Stand	6.54 in 16.6 cm 166 mm 0.54 ft	7.67 in 19.5 cm 194.9 mm 0.64 ft
Case Weight with Stand		4.3 kg 9 lbs
Case Color		Black
Hardware
Built-in Camera	No	No
Connectivity	1 x USB 3.0 (upstream) 1 x HDMI 1.4 1 x DVI-D 1 x D-sub 1 x DisplayPort 1.2 2 x USB 2.0 (downstream) 2 x USB 3.0 (downstream)	1 x D-sub 1 x 3.5 mm Audio In 1 x 3.5 mm Audio Out 1 x HDMI 1.4 1 x HDMI 1.4 (MHL)
Audio
Audio Speakers		2 x 2W
Features
Cool Features	Flicker-free technology Low Blue Light	HDCP (High-bandwidth Digital Content Protection) Low Blue Light Senseye 3 AMA (Advanced Motion Accelerator) Flicker-free technology
Extra Features	Security lock slot	Anti-theft stand lock slot - Kensington
Ergonomics
Case Width	20.91 in 53.1 cm 531 mm 1.74 ft
Case Height	14.35 in 36.5 cm 364.5 mm 1.2 ft
Vesa Mount Support	Yes	No
VESA Interface Standard Size	100 x 100	75 x 75
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	90 °
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	21 °	20 °
Frequency and Interpolation
Vertical Digital Frequency	60 Hz	50 Hz - 76 Hz
Horizontal Digital Frequency		30 kHz - 83 kHz
Screen Interpolation Measurement Unit	NULL
Accessories
Extras	DisplayPort cable D-Sub cable (Japan only)	D-sub cable HDMI cable
Certificates and Standards
Licenses	ENERGY STAR EPEAT RoHS TCO Certified Display	ENERGY STAR 6.0 TCO Certified Displays 6.0
Usage and Storage Requirements
Safe Operating Temperature Level	0 °C - 40 °C 32 °F - 104 °F
Safe Operating Humidity Level	20 % - 80 %
Internal Storage Temperature	-20 °C - 60 °C -4 °F - 140 °F
Internal Storage Humidity	10 % - 90 %
Max Operating Altitude	5000
Max Storage Altitude	12192

Dell P2421

BenQ EW2755ZH