Comparison between AOC U2790PQU vs ViewSonic VX2771-4K-HD

General Info
Model Number	AOC U2790PQU	ViewSonic VX2771-4K-HD

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2019	2021
Brand	AOC	ViewSonic
Model Number	U2790PQU	VX2771-4K-HD
Display
Screen Size Class	27" (inches)	27" (inches)
Diagonal Size	27 in 68.6 cm 685.8 mm 2.25 ft	27 in 68.6 cm 685.9 mm 2.25 ft
Screen Width	23.49 in 59.7 cm 596.74 mm 1.96 ft	23.49 in 59.7 cm 596.74 mm 1.96 ft
Screen Height	13.21 in 33.6 cm 335.66 mm 1.1 ft	13.21 in 33.6 cm 335.66 mm 1.1 ft
Display Manufacturer	Panda
Display Type	IPS	IPS
Display Bit Depth	10 bits (8 bits + FRC)	10 bits (8 bits + FRC)
Frame Rate Control	Yes	Yes
Max Number of Colors	1073741824	1073741824
Bits	30	30
Screen Aspect Ratio	16:9	16:9
Screen Resolution	3840 x 2160	3840 x 2160
Screen Pixel Pitch	0.155 mm	0.155 mm
Screen Pixel Density	163 ppi	163 ppi
Screen-to-Body Ratio		89.21 %
Backlight Source	W-LED	W-LED
sRGB	108 %	99 %
NTSC 1953	91 %	75 %
Screen Brightness	350 cd/m²	350 cd/m²
Static Screen Contrast	1000 : 1	1000 : 1
Dynamic Screen Contrast	50000000 : 1	80000000 : 1
Screen Horizontal Viewing Angle	178 °	178 °
Screen Vertical Viewing Angle	178 °	178 °
Display Minimum Response Time	5 ms	5 ms
Display Coating		Anti-glare/Matte (3H)
HDR		HDR10
3D	No	No
Size, weight, color
Case Depth		2 in 5.1 cm 50.8 mm 0.17 ft
Case Weight		4.55 kg 10 lbs
Case Width with Stand	24.21 in 61.5 cm 614.9 mm 2.02 ft	24.17 in 61.4 cm 613.8 mm 2.01 ft
Case Height with Stand	21.06 in 53.5 cm 535 mm 1.76 ft	17.91 in 45.5 cm 454.9 mm 1.49 ft
Case Depth with Stand	7.85 in 20 cm 199.5 mm 0.65 ft	7.41 in 18.8 cm 188.2 mm 0.62 ft
Case Weight with Stand	6.5 kg 14 lbs	5.07 kg 11 lbs
Case Color	Black, Gray	Black
Hardware
Built-in Camera	No	No
Connectivity	2 x HDMI 3.0 2 x DisplayPort 3.0 1 x 3.5 mm Audio Out 2.0 2 x USB 3.0 1 x HDMI 1.4	1 x 3.5 mm Audio Out 2 x HDMI 2.0 1 x DisplayPort 1.2
Audio
Audio Speakers	2 x 2W
Features
Cool Features	Low Blue Light Flicker-free technology HDCP (High-bandwidth Digital Content Protection)	ViewMode OSD EcoModes SuperClear IPS
Extra Features	Anti-theft stand lock slot - Kensington	Anti-theft stand lock slot - Kensington
Ergonomics
Case Width		24.17 in 61.4 cm 613.8 mm 2.01 ft
Case Height		14.4 in 36.6 cm 365.8 mm 1.2 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	0 °
Right Pivot	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	3.5 °	5 °
Backward Tilt	21.5 °	15 °
Frequency and Interpolation
Vertical Digital Frequency	60 Hz	60 Hz
Screen Interpolation Measurement Unit		NULL
Accessories
Extras	HDMI cable USB 3.0 cable DisplayPort cable CD with drivers/manuals	HDMI cable
Certificates and Standards
Licenses	CCC CE EAC ENERGY STAR 7.0 RoHS TCO Certified Displays 7.0	CCC CEL China RoHS
Usage and Storage Requirements
Safe Operating Temperature Level	0 °C - 40 °C 32 °F - 104 °F	0 °C - 40 °C 32 °F - 104 °F
Safe Operating Humidity Level	10 % - 85 %	20 % - 90 %
Internal Storage Temperature	-20 °C - 60 °C -4 °F - 140 °F	-20 °C - 60 °C -4 °F - 140 °F
Internal Storage Humidity	5 % - 90 %	5 % - 90 %
Max Operating Altitude	3657.6	3048
Max Storage Altitude	12192	12192

AOC U2790PQU

ViewSonic VX2771-4K-HD