28" AOC U2879VF - Specifications

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Display: 28 in, TN, W-LED, 3840 x 2160 pixels
Viewing angles (H/V): 170 ° / 160 °
Brightness: 300 cd/m²
Static contrast: 1000 : 1, Dynamic contrast: 80000000 : 1
Refresh rate: 23 Hz - 80 Hz
NTSC: 72 %
Dimensions: 659.3 x 379.4 x 48.7 mm
Weight: 4 kg

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Brand, series, model

Information about the brand, series, model and model aliases.

Brand

Name of the company-manufacturer.

AOC
Model

Designation of the model.

U2879VF
Model year

The year in which this model was announced.

2015

Display

Information about the main characteristics of the display - panel, backlight, resolution, refresh rate, etc.

Size class

Size class of the display as declared by the manufacturer. Often this is the rounded value of the actual size of the diagonal in inches.

28 in (inches)
Diagonal

Approximate diagonal size of the display. If the manufacturer does not provide such information, the diagonal is calculated from the width and height of the screen.

708.538 mm (millimeters)
70.8538 cm (centimeters)
27.8952 in (inches)
2.3246 ft (feet)
Width

Approximate width of the display. If the manufacturer does not provide such information, the width is calculated from the diagonal and the aspect ratio.

620.928 mm (millimeters)
62.0928 cm (centimeters)
24.446 in (inches)
2.0372 ft (feet)
Height

Approximate height of the display. If the manufacturer does not provide such information, the height is calculated from the diagonal and the aspect ratio.

341.28 mm (millimeters)
34.128 cm (centimeters)
13.4362 in (inches)
1.1197 ft (feet)
Panel manufacturer

Name of the manufacturer of the display panel.

Innolux
Panel model

Information about the model of the panel used.

M280DGJ-L30
Panel type

There are various panel technologies. Each has its own specific features - viewing angles, color reproduction, response time, brightness/contrast, production cost, etc. The image quality depends directly on the type of the display panel used.

TN
Panel bit depth

The most widely used panels are those with 6, 8, and 10 bits for each of the RGB components of the pixel. They provide 18-, 24-, and 30-bit color, respectively.

10 bits (8 bits + FRC)
FRC

Frame Rate Control (FRC) is a method, which allows the pixels to show more color tones. With quick cyclic switching between different color tones, an illusion for a new intermediate color tone is created. For example, by using FRC, a 6-bit display panel is able to show 16.7 millioin colors, which are typical for 8-bit display panels, and not the standard 262200 colors, instead. There are different FRC algorithms.

Yes
Colors

The maximum number of colors, which the display is able to reproduce, depends on the type of the panel in use and color enhancing technologies like FRC.

1073741824 colors
30 bits
Aspect ratio

The ratio between the horizontal and the vertical side of the display. Some of the standard and widely used aspect ratios are 4:3, 5:4, 16:9 and 16:10.

1.778:1
16:9
Resolution

Information about the number of pixels on the horizontal and vertical side of the screen. A higher resolution allows the display of a more detailed and of higher quality image.

3840 x 2160 pixels
Ultra HD (UHD) / 4K / 2160p
Pixel pitch

The pixel pitch shows the distance from the centers of two neighboring pixels. In displays, which have a native resolution (the TFT ones, for example), the pixel pitch depends on the resolution and the size of the screen.

0.162 mm (millimeters)
0.0162 cm (centimeters)
0.0064 in (inches)
0.0005 ft (feet)
Pixel density

Information of the number of pixels in a unit of length. With the decrease of the display size and the increase of its resolution, the pixel density increases.

157 ppi (pixels per inch)
61 ppcm (pixels per centimeter)
Display area

The percentage of the approximate area, taken by the active part of the screen, to the total front area.

84.72 % (percent)
Backlight

The backlight is the source of light of the LCD display panels. The type of backlight determines the image quality and the color space of the display. There are various backlights such as CCFL, LED, WLED, RGB-LED, and etc.

W-LED
NTSC (1953)

The NTSC (1953) color space is introduced in 1953 by the FCC with the appearance of color television and has a wider gamut than the sRGB.

72 % (percent)
Brightness

Information about the brightness of the screen. It is measured in candela per square metre (cd/m²).

300 cd/m² (candela per square meter)
Static contrast

The static contrast shows the ratio between the brightest and the darkest color, which the display can reproduce simultaneously, for example, within one and the same frame/scene.

1000 : 1
Dynamic contrast

The dynamic contrast shows the ratio between the brightest and the darkest color, which the display can reproduce over time, for example, in the course of playing a video.

80000000 : 1
Horizontal viewing angle

Information about the maximum horizontal viewing angle, within which the image on the screen is of acceptable quality.

170 ° (degrees)
Vertical viewing angle

Information about the maximum vertical viewing angle, within which the image on the screen is of acceptable quality.

160 ° (degrees)
Minimum response time

Information about the minimum amount of time, in which the pixels change from one color to another. Very often the manufacturer provides the response time for transition from grey-to-grey (G2G).

1 ms (milliseconds)
0.0010 s (seconds)
Average response time

Information about the average amount of time, in which the pixels change from one color to another.

3.5 ms (milliseconds)
0.0035 s (seconds)
Maximum response time

Information about the maximum amount of time, in which the pixels change from one color to another.

25 ms (milliseconds)
0.0250 s (seconds)
Input lag

Desktop monitors and smart TVs experience a latency/lag in visualizing the information. The time in milliseconds that the display needs to visualize the signal input.

30 ms (milliseconds)
0.0300 s (seconds)
Coating

Information about the type of coating of the display. There are different types of matte and glossy coatings, each of which has its own advantages and drawbacks.

Anti-glare/Matte (3H)

3D

3D displays use various technologies to achieve a 3D effect. Each of these technologies has its own advantages and drawbacks.

3D

Information on whether 3D is supported or not.

No

Frequencies

Information about the horizontal and vertical refresh rates/frequencies.

Horizontal frequency (digital)

The horizontal scan rate/frequency shows the number of horizontal lines, displayed by the monitor per second, when it is plugged to a digital source.

30 kHz - 140 kHz (kilohertz)
Vertical frequency (digital)

The vertical frequency/refresh rate shows how many times in a second the image on the screen is refreshed.

23 Hz - 80 Hz (hertz)
D-sub; DVI; HDMI 1.4 - 30 kHz - 99 kHz
DisplayPort; HDMI 2.0 - 30 kHz - 140 kHz
D-sub - 1920 x 1080 @ 60 Hz
DVI; HDMI 1.4 - 3840 x 2160 @ 30 Hz
DisplayPort; HDMI 2.0 - 3840 x 2160 @ 60 Hz

Power supply and consumption

Information about the power supply and consumption, energy efficiency class, etc.

110V

Permissible voltage tolerance in a 110-volt electric system.

100 V - 120 V (volts)
220V

Permissible voltage tolerance in a 220-volt electric system.

220 V - 240 V (volts)
Alternating current frequency

Requirement regarding the alternating current frequency in the electric system.

50 Hz - 60 Hz (hertz)
Electric current (A)

Requirement regarding the electric current rating in amperes (A) of the electric system.

3.25 A (amperes)
Power consumption (off)

Power consumption in off-mode.

0.5 W (watts)
Power consumption (sleep)

Power consumption in sleep/stand by/suspend mode.

0.5 W (watts)
Power consumption (average)

Average power consumption in standard work mode.

41 W (watts)
Power consumption (maximum)

The maximum possible power consumption.

65 W (watts)
Power consumption (annual)

Estimated power consumption per year in kWh.

92 kWh (kilowatt-hours)
Energy efficiency class

The energy efficiency class/label provides general idea about the power consumption. There are different energy efficiency classes and each sets its own requirements regarding the power consumption. Some of the existent energy efficiency classes are A+++, A++, A+, A, B, C, D, E, F, G.

C

Dimensions, weight and color

Information about the dimensions and the weight of the specific model with and without stand as well as the colors, in which it is offered to the market.

Width

Width without stand in different measurement units.

659.3 mm (millimeters)
65.93 cm (centimeters)
25.9567 in (inches)
2.1631 ft (feet)
Height

Height without stand in different measurement units.

379.4 mm (millimeters)
37.94 cm (centimeters)
14.937 in (inches)
1.2448 ft (feet)
Depth

Depth without stand in different measurement units.

48.7 mm (millimeters)
4.87 cm (centimeters)
1.9173 in (inches)
0.1598 ft (feet)
Weight

Weight without stand in different measurement units.

4 kg (kilograms)
8.82 lbs (pounds)
Width with stand

Width with stand in different measurement units.

659.3 mm (millimeters)
65.93 cm (centimeters)
25.9567 in (inches)
2.1631 ft (feet)
Height with stand

Height with stand in different measurement units.

468.4 mm (millimeters)
46.84 cm (centimeters)
18.4409 in (inches)
1.5367 ft (feet)
Depth with stand

Depth with stand in different measurement units.

153.2 mm (millimeters)
15.32 cm (centimeters)
6.0315 in (inches)
0.5026 ft (feet)
Weight with stand

Weight with stand in different measurement units.

5.26 kg (kilograms)
11.6 lbs (pounds)
Box width

Width of the package in different measurement units.

732 mm (millimeters)
73.2 cm (centimeters)
28.8189 in (inches)
2.4016 ft (feet)
Box height

Height of the package in different measurement units.

543 mm (millimeters)
54.3 cm (centimeters)
21.378 in (inches)
1.7815 ft (feet)
Box depth

Depth of the package in different measurement units.

159 mm (millimeters)
15.9 cm (centimeters)
6.2598 in (inches)
0.5217 ft (feet)
Box weight

Weight of the product with all accessories and packaging in different measurement units.

5.26 kg (kilograms)
11.6 lbs (pounds)
Colors

Information about the colors, in which the specific model is offered to the market.

Black

Ergonomics

Information about the ergonomic functions - height adjustment, swivel angles, tilt angles, etc.

VESA mount

Information about whether there is a possibility for wall mounting according to the VESA Mounting Interface Standard (MIS).

No
Removable stand

Information about whether the stand can be dismounted. Usually, this is required for wall mounting.

Yes
Height adjustment

Information about whether the stand allows height adjustment.

No
Landscape/portrait pivot

Some displays have the ability to operate in landscape and portrait mode alike.

No
Left/right swivel

Information whether the display can be swiveled around the stand axis.

No
Forward/backward tilt

Most displays have the ability to be tilted forward and backward as to provide a more comfortable viewing position for the user.

Yes
Forward tilt

Maximum degree of forward tilting of the display.

3.5 ° (degrees)
Backward tilt

Maximum degree of backward tilting of the display.

23.5 ° (degrees)

Camera

Many contemporary desktop monitors and smart TV sets have built-in cameras.

Camera

Information whether the current model has a built-in camera or not.

No

Connectivity

Available connectivity ports, slots and interfaces.

Connectivity

Information about the available connectivity ports, slots and interfaces such as USB, infrared port, SD card slot, audio/video and network interfaces, etc.

1 x HDMI 2.0 (MHL)
1 x DisplayPort 1.2
1 x DVI-D Dual Link
1 x D-sub
1 x 3.5 mm Audio Out
High-bandwidth Digital Content Protection (HDCP)

Features

Some additional functional features of the model.

Features

Information about additional software features, technologies, functions and services of the model.

AMD FreeSync technology
Flicker-free technology
Picture-by-Picture
Picture-in-Picture

Certificates, standards and licenses

Licenses from regulatory agencies, standards, certificates.

Certificates, standards and licenses

List of the standards, certificates and licenses supported/received by the current model.

BSMI
CCC
CE
cTÜVus
ENERGY STAR 6.0
EPA
FCC
ISO9241-307
RCM
TÜV/Ergonomics
WIN7/8

Operating and storage conditions

There are certain requirements for the environmental conditions, in which the display should be used and stored in order to function properly.

Operating temperature

The operating temperature shows the safe temperature range (from minimum to maximum), within which the display will function flawlessly. Outside this range it might operate improperly and/or fail entirely.

0 °C - 40 °C (degrees Celsius)
32 °F - 104 °F (degrees Fahrenheit)
Operating humidity

The operating humidity shows the acceptable level of humidity, in which the display will function flawlessly. It sets a lower and an upper humidity level for safe operation and is measured in percentage.

10 % - 85 % (percent)
Operating altitude

The operating altitude shows the maximum admissible altitude, at which the display will function flawlessly. Above this level it might not operate properly and/or might seize to function.

3657.6 m (meters)
12000 ft (feet)
Storage temperature

The storage temperature shows the range from a minimum to a maximum temperature, within which storing of the display is considered to be safe.

-25 °C - 55 °C (degrees Celsius)
-13 °F - 131 °F (degrees Fahrenheit)
Storage humidity

The storage humidity shows the lower and upper humidity limit, which ensures safe storage of the display. Storing it outside these limits might damage the display.

5 % - 93 % (percent)
Storage altitude

The storage altitude shows the maximum possible altitude for secure storing of the display. Storing it above this limit may result in damaging the display.

12192 m (meters)
40000 ft (feet)

Accessories

Often the packaging of desktop monitors and smart TV sets includes accessories for them.

Accessories

Information about some of the main accessories included in the standard packaging of the current model.

D-sub cable
DisplayPort cable
DVI cable
HDMI cable

Additional features

Information about other features.

Additional features

Information about other features of the current model, which are important and have to be specified.

Anti-theft stand lock slot - Kensington

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AOC U2879VF

28" AOC U2879VF

Display: 28 in, TN, W-LED, 3840 x 2160 pixels
Viewing angles (H/V): 170 ° / 160 °
Brightness: 300 cd/m²
Static contrast: 1000 : 1, Dynamic contrast: 80000000 : 1
Refresh rate: 23 Hz - 80 Hz
NTSC: 72 %
Dimensions: 659.3 x 379.4 x 48.7 mm
Weight: 4 kg