Comparison between AOC Q2790PC vs Dell U2520D

General Info
Model Number	AOC Q2790PC	Dell U2520D

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2019	2020
Brand	AOC	Dell
Model Series		UltraSharp
Model Number	Q2790PC	U2520D
Alias		UltraSharp U2520D
Display
Screen Size Class	27" (inches)	25" (inches)
Diagonal Size	26.96 in 68.5 cm 684.7 mm 2.25 ft	24.98 in 63.4 cm 634.4 mm 2.08 ft
Screen Width	23.49 in 59.7 cm 596.736 mm 1.96 ft	21.77 in 55.3 cm 552.96 mm 1.81 ft
Screen Height	13.22 in 33.6 cm 335.664 mm 1.1 ft	12.25 in 31.1 cm 311.04 mm 1.02 ft
Display Type	IPS	IPS
Display Bit Depth	10 bits	8 bits
Frame Rate Control		No
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	0.216 mm
Screen Pixel Density	109 ppi	117 ppi
Screen-to-Body Ratio	89.47 %	91.23 %
Backlight Source	W-LED	W-LED
DCI P3	97%	95%
sRGB	125 %	99 %
NTSC 1953	106 %
Screen Brightness	350 cd/m²	350 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	4 ms	5 ms
Display Average Response Time		8 ms
Display Coating	Anti-glare/Matte (3H)	Anti-glare/Matte (3H)
HDR	HDR10	DisplayHDR 400
3D	No	No
Size, weight, color
Case Depth	1.71 in 4.4 cm 43.5 mm 0.14 ft	1.96 in 5 cm 49.9 mm 0.16 ft
Case Weight	4.1 kg 9 lbs	4.2 kg 9 lbs
Case Width with Stand	24.21 in 61.5 cm 614.9 mm 2.02 ft	22.35 in 56.8 cm 567.7 mm 1.86 ft
Case Height with Stand	15.94 in 40.5 cm 405 mm 1.33 ft	15.07 in 38.3 cm 382.9 mm 1.26 ft
Case Depth with Stand	7.85 in 20 cm 199.5 mm 0.65 ft	7.28 in 18.5 cm 185 mm 0.61 ft
Case Weight with Stand	5.95 kg 13 lbs	6.4 kg 14 lbs
Case Color	Black, Gray	Black
Hardware
Built-in Camera	No	No
Connectivity	1 x USB 3.2 (Type-C; Gen 1; 15W; DP Alt Mode) 2 x HDMI 2.0 1 x 3.5 mm Audio Out 1 x DisplayPort 1.4 1 x USB 3.2 (Type-B; Gen 1; upstream) 2 x USB 3.2 (Type-A; Gen 1; downstream; BC 1.2 charging at 2A)	1 x USB 3.0 (Type-C; 90W; DisplayPort) 1 x USB 3.0 (Type-C; Gen 1; downstream; 15W) 1 x DisplayPort 1.4 (in) 1 x 3.5 mm Audio Out 1 x DisplayPort 1.4 (out) 1 x HDMI 2.0 (CEC) 1 x USB 3.0 (downstream; BC 1.2 charging at 2A) 2 x USB 3.0 (Type-A; downstream)
Audio
Features
Cool Features	Flicker-free technology HDR Mode Low Blue Light DDC2B DDC/CI	Flicker-free technology Low Blue Light
Extra Features	Anti-theft stand lock slot - Kensington	Security lock slot Anti-theft stand lock slot
Ergonomics
Case Width	24.21 in 61.5 cm 614.9 mm 2.02 ft	22.35 in 56.8 cm 567.7 mm 1.86 ft
Case Height	14.33 in 36.4 cm 364.1 mm 1.19 ft	13.07 in 33.2 cm 332.1 mm 1.09 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	45 °	45 °
Right Swivel	45 °	45 °
Forward and Backward Tilt Support	Yes	Yes
Forward Tilt	5 °	5 °
Backward Tilt	21 °	21 °
Frequency and Interpolation
Vertical Digital Frequency	48 Hz - 75 Hz	60 Hz
Horizontal Digital Frequency	30 kHz - 160 kHz
Screen Interpolation Measurement Unit	NULL	NULL
Accessories
Extras	HDMI cable USB Type-B cable USB Type-C cable	DisplayPort cable USB Type-C to Type-C cable USB Type-C to Type-A cable
Certificates and Standards
Licenses	CCC CEL CECP CE CH RoHS cTUVus FCC ISO 9241-307 TUV Rheinland Low Blue Light Certification Win10	BFR-free CEL ENERGY STAR 6.0 EPEAT Mercury-free NFPA 99 PVC-free RoHS Compliant TCO Certified Displays
Usage and Storage Requirements
Safe Operating Temperature Level		0 °C - 40 °C 32 °F - 104 °F
Safe Operating Humidity Level		10 % - 80 %
Internal Storage Temperature		-20 °C - 60 °C -4 °F - 140 °F
Internal Storage Humidity		5 % - 90 %
Max Operating Altitude		5000
Max Storage Altitude		12192

AOC Q2790PC

Dell U2520D