Comparison between Dell P2421DC vs Acer RC271U

General Info
Model Number	Dell P2421DC	Acer RC271U

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Type	Monitor	Monitor
Year	2020	2019
Brand	Dell	Acer
Model Series		RC1
Model Number	P2421DC	RC271U
Alias		RC271Usmidpx RC271U smidpx
Display
Screen Size Class	24" (inches)	27" (inches)
Diagonal Size	23.78 in 60.4 cm 604 mm 1.98 ft	27 in 68.6 cm 685.8 mm 2.25 ft
Screen Width	20.74 in 52.7 cm 526.85 mm 1.73 ft	23.49 in 59.7 cm 596.736 mm 1.96 ft
Screen Height	11.67 in 29.6 cm 296.35 mm 0.97 ft	13.22 in 33.6 cm 335.664 mm 1.1 ft
Display Type	IPS	IPS
Display Bit Depth	8 bits (6 bits + FRC)	8 bits
Frame Rate Control	Yes	No
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	0.233 mm
Screen Pixel Density	123 ppi	109 ppi
Screen-to-Body Ratio	90.13 %	89.62 %
Backlight Source	W-LED	W-LED
sRGB	99 %	100 %
Screen Brightness	300 cd/m²	350 cd/m²
Static Screen Contrast	1000 : 1	1000 : 1
Dynamic Screen Contrast		100000000 : 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)
3D		No
Size, weight, color
Case Depth	1.68 in 4.3 cm 42.7 mm 0.14 ft	1.46 in 3.7 cm 37.1 mm 0.12 ft
Case Weight	3.77 kg 8 lbs	3.4 kg 7 lbs
Case Width with Stand	21.17 in 53.8 cm 537.8 mm 1.76 ft	24.17 in 61.4 cm 614 mm 2.01 ft
Case Height with Stand	14.02 in 35.6 cm 356.1 mm 1.17 ft	17.52 in 44.5 cm 445 mm 1.46 ft
Case Depth with Stand	6.54 in 16.6 cm 166 mm 0.54 ft	7.91 in 20.1 cm 201 mm 0.66 ft
Case Weight with Stand		3.8 kg 8 lbs
Case Color		Black, Silver
Hardware
Built-in Camera	No	No
Connectivity	2 x USB 3.0 (downstream) 1 x HDMI 1.4 1 x DisplayPort 1.2 (in) 1 x DisplayPort 1.2 (out) 1 x USB (Type-C; 65W) 2 x USB 2.0 (downstream)	1 x DVI-D Dual Link 1 x 3.5 mm Audio In 1 x 3.5 mm Audio Out 1 x HDMI 2.0 1 x DisplayPort 1.2
Audio
Audio Speakers		2 x 2W
Features
Cool Features	Low Blue Light Daisy Chain Availability Flicker-free technology	DDC2B (DDC/CI compatible) ECO Mode Low Blue Light ZeroFrame Design Super Sharpness Technology Flicker-free technology 6-axis color adjustment AMD FreeSync technology
Extra Features	Security lock slot
Ergonomics
Case Width	21.17 in 53.8 cm 537.8 mm 1.76 ft	24.17 in 61.4 cm 614 mm 2.01 ft
Case Height	12.68 in 32.2 cm 322.1 mm 1.06 ft	14.33 in 36.4 cm 364 mm 1.19 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	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 °	15 °
Frequency and Interpolation
Vertical Digital Frequency	60 Hz	60 Hz - 65 Hz
Screen Interpolation Measurement Unit	NULL	NULL
Accessories
Extras	DisplayPort cable USB Type-C cable	Audio cable DisplayPort cable DVI-D cable
Certificates and Standards
Licenses	ENERGY STAR EPEAT RoHS TCO Certified Display	CCC CE cTUVus FCC GOST-R Green Purchasing Law GS J-Moss Green Mark International Energy Star Program ISO13406-2 MPRⅡ NOM PC Recycling PSE (Electrical Appliance and Material Safety Law) RoHS Directive VCCI-B
Usage and Storage Requirements
Safe Operating Temperature Level	0 °C - 40 °C 32 °F - 104 °F	5 °C - 35 °C 41 °F - 95 °F
Safe Operating Humidity Level	10 % - 90 %	20 % - 85 %
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 P2421DC

Acer RC271U