Comparison between AOC Q27P1U vs Dell P2421D

General Info
Model Number	AOC Q27P1U	Dell P2421D

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2020	2020
Brand	AOC	Dell
Model Number	Q27P1U	P2421D
Display
Screen Size Class	27" (inches)	24" (inches)
Diagonal Size	27 in 68.6 cm 685.7 mm 2.25 ft	23.78 in 60.4 cm 604 mm 1.98 ft
Screen Width	23.49 in 59.7 cm 596.736 mm 1.96 ft	20.74 in 52.7 cm 526.85 mm 1.73 ft
Screen Height	13.22 in 33.6 cm 335.664 mm 1.1 ft	11.67 in 29.6 cm 296.35 mm 0.97 ft
Display Type	IPS	IPS
Display Bit Depth	10 bits	8 bits (6 bits + FRC)
Frame Rate Control		Yes
Max Number of Colors	1073741824	16777216
Bits	30	24
Screen Aspect Ratio	16:9	16:9
Screen Resolution	2560 x 1440	2560 x 1440
Screen Pixel Pitch	0.233 mm	0.206 mm
Screen Pixel Density	109 ppi	123 ppi
Screen-to-Body Ratio	84.88 %	90.13 %
Backlight Source	W-LED	W-LED
sRGB		99 %
NTSC 1953	89 %
Screen Brightness	250 cd/m²	300 cd/m²
Static Screen Contrast	1000 : 1	1000 : 1
Dynamic Screen Contrast	50000000 : 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		8 ms
Display Coating	Anti-glare/Matte (3H)	Anti-glare/Matte (3H)
3D	No
Size, weight, color
Case Depth	2.05 in 5.2 cm 51.96 mm 0.17 ft	1.68 in 4.3 cm 42.7 mm 0.14 ft
Case Weight	4.3 kg 9 lbs	3.37 kg 7 lbs
Case Width with Stand	24.72 in 62.8 cm 627.9 mm 2.06 ft	21.17 in 53.8 cm 537.8 mm 1.76 ft
Case Height with Stand	16.1 in 40.9 cm 408.99 mm 1.34 ft	14.02 in 35.6 cm 356.1 mm 1.17 ft
Case Depth with Stand	7.97 in 20.2 cm 202.49 mm 0.66 ft	6.54 in 16.6 cm 166 mm 0.54 ft
Case Weight with Stand	6.1 kg 13 lbs
Case Color	Black
Hardware
Built-in Camera	No	No
Connectivity	1 x DisplayPort 1.4 1 x D-sub 1 x 3.5 mm Audio Out 1 x 3.5 mm Audio In 4 x USB 3.1 (Type-A; Gen 1; downstream; BC 1.2 charging at 2A) 2 x HDMI 2.0	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
Features
Cool Features	DDC2B Flicker-free technology Low Blue Light Clear Vision DDC/CI	Flicker-free technology Low Blue Light
Extra Features	Anti-theft stand lock slot - Kensington	Security lock slot
Ergonomics
Case Width	24.72 in 62.8 cm 627.9 mm 2.06 ft	21.17 in 53.8 cm 537.8 mm 1.76 ft
Case Height	14.8 in 37.6 cm 375.81 mm 1.23 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	130 mm 13 cm 5.1181 in 0.4265 ft	130 mm 13 cm 5.1181 in 0.4265 ft
Landscape or Portrait Pivot Support	Yes	Yes
Left Pivot	90 °	90 °
Right Pivot	90 °	90 °
Left or Right Swivel Support	Yes	Yes
Left Swivel	175 °	45 °
Right Swivel	175 °	45 °
Forward and Backward Tilt Support	Yes	Yes
Forward Tilt	5 °	5 °
Backward Tilt	23 °	21 °
Frequency and Interpolation
Vertical Digital Frequency	50 Hz - 76 Hz	60 Hz
Horizontal Digital Frequency	30 kHz - 99 kHz
Screen Interpolation Measurement Unit	NULL	NULL
Accessories
Extras	HDMI cable	DisplayPort cable USB Type-C cable
Certificates and Standards
Licenses	CE EAC ENERGY STAR FCC Class B RoHS TCO Certified Displays TÜV/GS	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

AOC Q27P1U

Dell P2421D