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Reviewed on Oct 16, 2018 , Simon Barbier, Yannick Khong

ViewSonic XG2402
MONITOR REVIEW

Usage Ratings - Version 1.0

Test Benches:

  • 1.0: Fall 2017
7.4
Mixed Usage
Score components:
Size : 24 "
Resolution : 1920x1080
Refresh Rate : 144 Hz
LCD Type
What it is: Type of LCD technology used by the monitor.
When it matters: Different technologies have different viewing angle properties.
:
TN
Variable Refresh Rate
What it is: Feature that allows the monitor to synchronize its refresh rate with the input device's output and reduces stuttering and screen tearing.
When it matters: Almost every usage, but is most noticeable in gaming where constant fluctuation in framerate cause distracting artifacts.
:
FreeSync

The ViewSonic XG2402 is a decent TN monitor. It is exceptionally well suited as a gaming monitor, thanks to the high 144 Hz refresh rate and FreeSync VRR support. It has excellent motion handling thanks to the extraordinarily fast response time, and there is almost no motion blur. Unfortunately, it isn't as well suited for a dark room due to the disappointing native contrast and deficient black uniformity, and it has poor viewing angles, so it is best suited for viewing from directly in front.

Test Results
Design 7.5
Picture Quality 6.5
Motion 9.2
Inputs 8.6
Pros
  • Great gaming performance, with FreeSync support and a 144 Hz refresh rate
  • Excellent fast response time with low motion blur
Cons
  • Poor dark room performance
  • Disappointing viewing angles

Check Price

7.5

Design

Score components: Subjectively assigned
ViewSonic XG2402 Design Picture
Curved : No
Curve radius : N/A
Weight (without stand) : 7.2lbs (3.3 kg)
Weight (with stand) : 14.8lbs (6.7 kg)

The ViewSonic XG2402 has a good design. It is almost entirely made of plastic, but it feels well built and is quite solid. The stand isn't the fanciest, but it supports the monitor well and has great ergonomics. Unfortunately, there is not much to help with cable management. The monitor is quite thick, but this shouldn't cause any issues.

Stand
ViewSonic XG2402 Stand picture
Width : 12.0" (31.5 cm)
Depth : 9.4" (23.9 cm)

The ViewSonic XG2402 has a fairly basic stand, similar to the rectangular stand found on most Dell monitors. It has a fairly large footprint, but since it is nearly flat you can still place small objects on it, so the space isn't completely lost.

7.8 Ergonomics
What it is: How much the position of the screen can be adjusted to match the viewing preference of the user.
When it matters: All usages, but especially office and gaming use.
Score components:
  • 46% Height Adjustment
  • 18% Switch portrait/landscape
  • 18% Swivel Range
  • 18% Tilt Range
ViewSonic XG2402 Ergonomics picture
Height Adjustment : 4.7" (12.0 cm)
Switch portrait/landscape : Yes
Swivel Range : -45° to 45°
Tilt Range : -15° to 5°

Very good ergonomics. The XG2402 is very easy to adjust to an optimal viewing position. Note that the ViewSonic website lists the tilt range as -20° to +5°, but we measured -15° to +5°.

Back
ViewSonic XG2402 Back picture
Wall Mount : VESA 100x100

The back of the XG2402 looks decent. It has a slightly stylized design and the red chevrons on the back light up. There is single heat vent out the top of the monitor. Unfortunately, there isn't much in terms of cable management.

Borders
ViewSonic XG2402 Borders picture
Borders : 0.7" (1.8 cm)

The ViewSonic XG2402 has a fairly thick bezel, which may cause issues if you are planning a multi-monitor setup. For normal use though, they aren't very noticeable and you shouldn't have any issues.

Thickness
ViewSonic XG2402 Thickness picture
Thickness (with stand) : 7.0" (17.7 cm)
Thickness (without stand) : 2.2" (5.6 cm)

With the stand attached, the monitor is thick and can't be placed close to a wall. Without the stand, it is thin.

7.5 Build Quality
What it is: How well built and sturdy the monitor is, and how good the materials used to build it are.
When it matters: All usages.
Score components: Subjectively assigned
ViewSonic XG2402 Build Quality picture

Good build quality. It is almost entirely made of plastic, but it feels solid. The stand is easy to adjust and turns easily.

The ViewSonic XG2402 has only decent picture quality. It doesn't perform very well in a dark room, due to the disappointing native contrast and deficient black uniformity. It has good peak brightness, and good reflection handling, great for a bright office. It has disappointing viewing angles, so the image is most accurate from directly in front.

5.9 Contrast
What it is: Brightness difference between white and black. This is the main component of picture quality.
When it matters: Always, but especially when watching dark scenes.
Score components:
ViewSonic XG2402 Checkerboard Picture
Native Contrast
What it is: Ratio of the white brightness divided by the blacks measured on our checkerboard test pattern with a white target of 100 cd/m².
When it matters: Dark scenes in a dark room.
Good value: > 3,000
Noticeable difference: 500
:
947 : 1
Contrast with local dimming
What it is: Ratio of the white brightness divided by the blacks measured on our checkerboard test pattern with local dimming turned on (maximum) with a white target of 100 cd/m².
When it matters: Dark scenes in a dark room.
Good value: > 3,000
Noticeable difference: 500
:
N/A

Disappointing contrast ratio. Blacks look gray in a dark room. These results are typical for TN monitors, and worse than most IPS monitors.

0 Local Dimming
What it is: The lights behind the LCD layer adapt to the picture displayed, improving the contrast ratio.
When it matters: Dark scenes viewed in a dark room.
Score components: Subjectively assigned
Local Dimming
What it is: Whether it has a feature that controls the LEDs behind the LCD layer, to match the picture and darkens the dark portion of it.
When it matters: On LED TVs only. Dark scenes viewed in a dark room.
:
No
Backlight
What it is: Configuration of the lights of the backlight.
When it matters: Effectiveness of the local dimming.
Good value: Full-array/direct lighting is better for local dimming. As for the uniformity of the screen, it depends on the implementation. Some edge-lit monitors have more uniform blacks than some full-array monitors.
:
Direct

The ViewSonic XG2402 does not have a local dimming feature. The above video is provided for reference only.

7.8 SDR Peak Brightness
What it is: How bright the screen can get. Measured with local dimming and with SDR content.
When it matters: Bright living rooms; bright objects; SDR content.
SDR Real Scene
What it is: The maximum luminosity the TV can obtain while playing a movie or while watching a TV show. Our Real Scene was selected to represent a more regular movie condition. All measurements are made with the TV set to be as bright as possible, but with a 6500k white. Measured with local dimming on, max backlight and with an SDR signal. Scene: here.
When it matters: When watching movies and TV shows in SDR.
:
319 cd/m²
SDR Peak 2% Window
What it is: The maximum luminosity, even if only maintained for a short time, of a white square covering 2% of the screen, with the monitor set to be as bright as possible. Measured with local dimming and over SDR signal.
When it matters: Bright highlights, present on screen for a short time
:
361 cd/m²
SDR Peak 10% Window
What it is: The maximum luminosity, even if only maintained for a short time, of a white square covering 10% of the screen, with the monitor set to be as bright as possible. Measured with local dimming and over SDR signal.
When it matters: Bright objects, present on screen for a short time
:
359 cd/m²
SDR Peak 25% Window
What it is: The maximum luminosity, even if only maintained for a short time, of a white square covering 25% of the screen, with the monitor set to be as bright as possible. Measured with local dimming and over SDR signal.
When it matters: When watching in a bright room.
:
357 cd/m²
SDR Peak 50% Window
What it is: The maximum luminosity, even if only maintained for a short time, of a white square covering 50% of the screen, with the monitor set to be as bright as possible. Measured with local dimming and over SDR signal.
When it matters: When watching in a bright room.
:
356 cd/m²
SDR Peak 100% Window
What it is: The maximum luminosity, even if only maintained for a short time, of a white square covering 100% of the screen, with the monitor set to be as bright as possible. Measured with local dimming and over SDR signal.
When it matters: When watching in a bright room.
:
355 cd/m²
SDR Sustained 2% Window
What it is: The lowest maximum luminosity (usually after it has stabilized) of a white square covering 2% of the screen, with the monitor set to be as bright as possible. Measured with local dimming and over SDR signal.
When it matters: Bright highlights, persistent during a scene.
:
359 cd/m²
SDR Sustained 10% Window
What it is: The lowest maximum luminosity (usually after it has stabilized) of a white square covering 10% of the screen, with the monitor set to be as bright as possible. Measured with local dimming and over SDR signal.
When it matters: Bright objects, persistent during a scene.
:
358 cd/m²
SDR Sustained 25% Window
What it is: The lowest maximum luminosity (usually after it has stabilized) of a white square covering 25% of the screen, with the monitor set to be as bright as possible. Measured with local dimming and over SDR signal.
When it matters: When watching in a bright room.
:
356 cd/m²
SDR Sustained 50% Window
What it is: The lowest maximum luminosity (usually after it has stabilized) of a white square covering 50% of the screen, with the monitor set to be as bright as possible. Measured with local dimming and over SDR signal.
When it matters: When watching in a bright room.
:
355 cd/m²
SDR Sustained 100% Window
What it is: The lowest maximum luminosity (usually after it has stabilized) of a white square covering 100% of the screen, with the monitor set to be as bright as possible. Measured with local dimming and over SDR signal.
When it matters: When watching in a bright room.
:
354 cd/m²
SDR ABL
What it is: The standard deviation of the SDR sustained brightness, after linearizing for noticeable differences in luminosity
When it matters: Content with large bright areas, such as for PC or video game use, and sports such as hockey
:
0.001

Very good peak brightness. There is only slight variation in brightness with content, which is good.

0 HDR Peak Brightness
What it is: How bright the screen can get. Measured with local dimming and with HDR content.
When it matters: HDR content
HDR Real Scene : N/A
HDR Peak 2% Window : N/A
HDR Peak 10% Window : N/A
HDR Peak 25% Window : N/A
HDR Peak 50% Window : N/A
HDR Peak 100% Window : N/A
HDR Sustained 2% Window : N/A
HDR Sustained 10% Window : N/A
HDR Sustained 25% Window : N/A
HDR Sustained 50% Window : N/A
HDR Sustained 100% Window : N/A
HDR ABL : N/A

HDR is not supported.

5.2 Horizontal Viewing Angle
What it is: Color accuracy when viewed from the side.
ViewSonic XG2402 Horizontal Color Shift Picture
Color Shift from Left
What it is: Angle where the colors noticeable shift compared to when viewed from directly in front of the monitor. 0 ° means directly facing the monitor. Measurements are up to a maximum of 75 °.
When it matters: When sharing your monitor with people on your left
Good value: > 50°
Noticeable difference: 10°
:
27 °
Color Shift from Right
What it is: Angle where the colors noticeable shift compared to when viewed from directly in front of the monitor. 0 ° means directly facing the monitor. Measurements are up to a maximum of 75 °.
When it matters: When sharing your monitor with people on your right
Good value: > 50°
Noticeable difference: 10°
:
27 °
ViewSonic XG2402 Horizontal Brightness Picture
Brightness from Left
What it is: Angle where the brightness drops to 50% of the brightness directly in front of the monitor. 0 ° means directly facing the monitor. Measurements are up to a maximum of 75 °.
When it matters: When sharing your monitor with people on your left.
Good value: > 50°
Noticeable difference: 10°
:
46 °
Brightness from Right
What it is: Angle where the brightness drops to 50% of the brightness directly in front of the monitor. 0 ° means directly facing the monitor. Measurements are up to a maximum of 75 °.
When it matters: When sharing your monitor with people on your right.
Good value: > 50°
Noticeable difference: 10°
:
46 °
ViewSonic XG2402 Horizontal Black Level Picture
Black Level from Left
What it is: Angle where the black level drops to 50% of the black level directly in front of the monitor. 0 ° means directly facing the monitor. Measurements are up to a maximum of 75 °.
When it matters: When sharing your monitor with people on your right.
Good value: > 50°
Noticeable difference: 10°
:
29 °
Black Level from Right
What it is: Angle where the black level drops to 50% of the black level directly in front of the monitor. 0 ° means directly facing the monitor. Measurements are up to a maximum of 75 °.
When it matters: When sharing your monitor with people on your right.
Good value: > 50°
Noticeable difference: 10°
:
30 °
Curve Radius : N/A

The ViewSonic XG2402 has poor horizontal viewing angles. Uniformity issues are noticeable if sitting too close to the monitor, and it is not ideal for sharing your screen with someone else.

6.4 Vertical Viewing Angle
What it is: Color accuracy when viewed from the top or bottom.
ViewSonic XG2402 Vertical Color Shift Picture
Color Shift from Below
What it is: Angle where the colors noticeable shift compared to when viewed from directly in front of the monitor. 0 ° means directly facing the monitor. Measurements are up to a maximum of 75 °.
When it matters: When looking at a monitor from below.
Good value: > 50°
Noticeable difference: 10°
:
9 °
Color Shift from Above
What it is: Angle where the colors noticeable shift compared to when viewed from directly in front of the monitor. 0 ° means directly facing the monitor. Measurements are up to a maximum of 75 °.
When it matters: When looking at a monitor when standing up.
Good value: > 50°
Noticeable difference: 10°
:
39 °
ViewSonic XG2402 Vertical Brightness Picture
Brightness from Below
What it is: Angle where the brightness drops to 50% of the brightness directly in front of the monitor. 0 ° means directly facing the monitor. Measurements are up to a maximum of 75 °.
When it matters: When looking at a monitor from below.
Good value: > 50°
Noticeable difference: 10°
:
13 °
Brightness from Above
What it is: Angle where the brightness drops to 50% of the brightness directly in front of the monitor. 0 ° means directly facing the monitor. Measurements are up to a maximum of 75 °.
When it matters: When looking at a monitor while standing up.
Good value: > 50°
Noticeable difference: 10°
:
69 °
ViewSonic XG2402 Vertical Black Level Picture
Black Level from Below
What it is: Angle where the black level drops to 50% of the black level directly in front of the monitor. 0 ° means directly facing the monitor. Measurements are up to a maximum of 75 °.
When it matters: When looking at a monitor from below.
Good value: > 50°
Noticeable difference: 10°
:
24 °
Black Level from Above
What it is: Angle where the black level drops to 50% of the black level directly in front of the monitor. 0 ° means directly facing the monitor. Measurements are up to a maximum of 75 °.
When it matters: When looking at a monitor while standing up.
Good value: > 50°
Noticeable difference: 10°
:
46 °

Mediocre vertical viewing angles. Due to the structure of TN panels, the image remains accurate at wider angles from above than from below.

7.4 Gray Uniformity
What it is: Evenness of colors onscreen (not just gray).
When it matters: Solid colors. Sports, panning shots.
Score components:
ViewSonic XG2402 50% Uniformity Picture
50% Std. Dev.
What it is: Average squared difference of pixels when displaying a mid 50% gray.
When it matters: Solid colors. Sports, panning shots.
Good value: < 2.5%
Noticeable difference: 1%
:
7.804 %
50% DSE
What it is: Dirty Screen Effect. High-frequency variance of uniformity. Dark spots on the screen.
When it matters: Solid colors. Sports, panning shots.
Good value: < 0.165%
Noticeable difference: 0.025%
:
0.118 %
ViewSonic XG2402 5% Uniformity Picture
5% Std. Dev.
What it is: Average squared difference of pixels when displaying a mid 5% gray.
When it matters: Dark scenes.
Good value: < 1.15%
Noticeable difference: 1%
:
1.561 %
5% DSE
What it is: Dirty Screen Effect. High-frequency variance of uniformity. Dark spots on the screen.
When it matters: Dark scenes.
Good value: < 0.116%
:
0.079 %

Decent gray uniformity. As with most TN monitors, the top of the screen is noticeably darker due to the poor viewing angles. There is only slight DSE, which is great, and in near-black scenes, the image is more uniform.

5.3 Black Uniformity
What it is: Evenness of blacks.
When it matters: Dark scenes viewed in a dark room.
Score components:
ViewSonic XG2402 Native Black Uniformity Picture
Native Std. Dev.
What it is: Average of the squared difference of the blacks.
When it matters: Dark scenes viewed in a dark room.
Good value: <2%
Noticeable difference: 1%, but keep in mind that it varies a lot by unit, even of the same model; yours likely will not end up exactly like ours.
:
2.441 %
Std. Dev. w/ L.D.
What it is: Average of the squared difference of the blacks with Local Dimming enabled
When it matters: Dark scenes viewed in a dark room.
Good value: <2%
Noticeable difference: 1%, but keep in mind that it varies a lot by unit, even of the same model; yours likely will not end up exactly like ours.
:
N/A

Disappointing black uniformity. There is clouding visible across most of the screen, and the area around the test cross is significantly brighter than the surrounding screen.

8.3 Pre Calibration
What it is: Monitor's color accuracy before a full calibration. The measurements are taken with out of the box 'factory setting'.
When it matters: All video on an uncalibrated TV. This represents most people's use cases.
Score components:
ViewSonic XG2402 Pre Calibration Picture ViewSonic XG2402 Pre Gamma Curve Picture ViewSonic XG2402 Pre Color Picture
Picture Mode
What it is: The picture mode that was used to do the pre-calibration reading. We usually go for the picture mode that gives us the more control over all the picture quality setting.
:
Custom 1
Luminance
What it is: The luminance at which the pre-calibration reading was done. This represents the luminance of the monitor when it is at the factory default settings.
:
274 cd/m²
Luminance Settings
What it is: The luminance settings, often named 'Brightness' on monitors, usually range from 0 to 100.
:
85
Contrast Setting
What it is: The monitor contrast setting, usually ranging from 0 to 100.
:
60
RGB controls
What it is: This is the value for each color (red, green, and blue) used in the monitor internal RGB cuts/gains controls. If the monitor does not have an internal RGB cuts/gains controls, then the color temperature setting will be used instead, and the color temperature that gives us the best result will be used.
:
100-100-100
Color Temperature
What it is: The color temperature is a measure of the color of light. A colder color temperature (7000K) will look bluer and a warmer color temperature (4000K) will look yellower/redder. 6500K is the standard color for PC monitors and also for the sRGB color standard.
When it matters: When you care about color reproduction and accuracy.
Good value: 6500K
Noticeable difference: 400K
:
6745 K
White Balance dE
What it is: Average inaccuracy of shades of gray.
When it matters: Overall color temperature of all video.
Good value: < 3
Noticeable difference: 1
:
2.56
Color dE
What it is: Average inaccuracy of colors.
When it matters: All colors.
Good value: < 3
Noticeable difference: 1
:
1.77
Gamma
What it is: Brightness of shades of gray.
When it matters: Shadows.
Good value: Between 2.1 and 2.3 (our target is 2.2)
Noticeable difference: 0.1
:
2.14

Out of the box, the XG2402 has great accuracy. The most accurate Picture Mode is 'Custom 1', but 'MOBA' is also good. White balance and color errors are low, and most enthusiasts won't notice the inaccuracies. Gamma follows the target curve, but is a bit bright, even with Gamma set to 2.4.

9.5 Post Calibration
What it is: Monitor's color accuracy after a full calibration with a spectrophotometer.
When it matters: All graphics and video content on a monitor that has been professionally calibrated.
Score components:
ViewSonic XG2402 Post Calibration Picture ViewSonic XG2402 Post Gamma Curve Picture ViewSonic XG2402 Post Color Picture
Picture Mode
What it is: The picture mode that was used to do the calibration reading. We usually go for the picture mode that gives us the more control over all the picture quality setting.
:
Custom 1
Luminance
What it is: The luminance at which the calibration was executed. We aim for a luminance level of 100 cd/m².
:
101 cd/m²
Luminance Settings
What it is: The luminance settings, often named 'Brightness' on monitors, usually range from 0 to 100.
:
5
Contrast Setting
What it is: The monitor contrast setting, usually ranging from 0 to 100.
:
60
RGB controls
What it is: This is the value for each color (red, green, and blue) used in the monitor internal RGB cuts/gains controls. If the monitor does not have an internal RGB cuts/gains controls, then the color temperature setting will be used instead, and the color temperature that gives us the best result will be used.
:
98-98-100
Color Temperature
What it is: The color temperature is a measure of the color of light. A colder color temperature (7000K) will look bluer and a warmer color temperature (4000K) will look yellower/redder. 6500K is the standard color for PC monitors and also for the sRGB color standard.
When it matters: When you care about color reproduction and accuracy.
Good value: 6500K
Noticeable difference: 400K
:
6455 K
White Balance dE
What it is: Average inaccuracy of shades of gray.
When it matters: Overall color temperature of all videos.
Good value: < 3
Noticeable difference: 1
:
0.60
Color dE
What it is: Average inaccuracy of colors.
When it matters: All colors.
Good value: < 3
Noticeable difference: 1
:
0.89
Gamma
What it is: Brightness of shades of gray.
When it matters: Shadows.
Good value: Between 2.1 and 2.3 (our target is 2.2)
Noticeable difference: 0.1
:
2.16

After calibration, the XG2402 has nearly perfect color accuracy. The remaining inaccuracies are too small for anyone to notice. Gamma follows the target curve almost perfectly.

You can download our ICC profile calibration here. This is provided for reference only and should not be used, as the calibration values vary per individual unit even for the same model due to manufacturing tolerances.

8.7 SDR Color Gamut
What it is: The palette of colors the monitor can display
When it matters: General content consumption or production
Score components:
ViewSonic XG2402 Color Gamut s.RGB Picture
s.RGB xy
What it is: Coverage of the s.RGB colorspace on CIE 1931 xy.
When it matters: Almost all content. Includes websites, standard windows environment and SDR movies
Good value: > 95%
Noticeable difference: 5%
:
98.0 %
ViewSonic XG2402 Color Gamut ARGB Picture
Adobe RGB xy
What it is: Coverage of the Adobe RGB colorspace on CIE 1931 xy.
When it matters: Professional photography.
Good value: > 90%
Noticeable difference: 5%
:
75.2 %

s.RGB Picture Mode: Custom 1 (calibrated)
Adobe RGB Picture Mode: Custom 1

Excellent SDR color gamut, with nearly 100% coverage of the s.RGB color space. Adobe RGB coverage is decent, but insufficient for most professional users working in print.

9.0 SDR Color Volume
What it is: How much of the SDR color spaces the monitor can reproduce
When it matters: General usage and SDR media creation
Score components:
ViewSonic XG2402 s.RGB Color Volume ITP picture
s.RGB in ICtCp
What it is: How much of the s.RGB colorspace a monitor can display at different luminosity levels
When it matters: Most content, including web, SDR video games, and SDR media creation
:
97.6 %
ViewSonic XG2402 Adobe RGB Color Volume ITP Picture
Adobe RGB in ICtCp
What it is: How much of the Adobe RGB colorspace a monitor can display at different luminosity levels, normalized to the monitor's peak brightness.
When it matters: Professional media creation
:
83.0 %

s.RGB Picture Mode: Custom 1
Adobe RGB Picture Mode: Custom 1

Excellent color volume. Unfortunately, it can't produce deep, dark colors due to the limited contrast ratio, but it fills out the color gamut well.

0 HDR Color Gamut
What it is: The monitor's ability to reproduce HDR color spaces
When it matters: HDR content consumption or media creation
Score components:
Wide Color Gamut
What it is: Whether the monitor can support wider color gamuts
When it matters: HDR content and media creation
:
No
DCI P3 xy
What it is: Coverage of the DCI P3 colorspace on CIE 1931 xy
When it matters: When consuming or producing HDR content.
:
N/A
Rec. 2020 xy
What it is: Coverage of the Rec.2020 colorspace on CIE 1931 xy.
When it matters: When consuming or producing HDR content.
Good value: > 90%
Noticeable difference: 5%
:
N/A

HDR is not supported.

0 HDR Color Volume
What it is: How much of the HDR color spaces a monitor can display at different luminosity levels.
When it matters: HDR content consumption and production. Includes streaming services, UHD Blu-rays and HDR games.
Score components:
DCI-P3 in ICtCp
What it is: How much of the DCI-P3 colorspace a monitor can display at different luminosity levels, normalized to the monitor's peak brightness output.
When it matters: HDR content.
Good value: 80%
Noticeable difference: 5%
:
N/A
Rec. 2020 in ICtCp
What it is: How much of the Rec. 2020 colorspace a monitor can display at different luminosity levels, normalized to the monitor's peak brightness output.
When it matters: HDR content.
Good value: 80 %
Noticeable difference: 5 %
:
N/A

HDR is not supported.

10 Image Retention
What it is: How much a static image is retained on a monitor screen after a certain amount of time.
When it matters: When working or playing video games on your PC monitor.
ViewSonic XG2402 Image Retention Picture
IR after 0 min recovery
What it is: Image retention measured right after the static image exposure, without recovery time.
When it matters: When changing use or right after changing the type of on screen content (i.e. stopping playing video game to watch a movie).
Good value: 0 is perfect.
Noticeable difference: 0.015%
:
0.00 %
IR after 2 min recovery
What it is: Image retention measured after a recovery time of 2 minutes.
When it matters: When changing use or right after changing the type of on screen content (i.e. stopping playing video game to watch a movie).
Good value: 0 is perfect
Noticeable difference: 0.015%
:
0.00 %
IR after 4 min recovery
What it is: Image retention measured after a recovery time of 4 minutes.
When it matters: When changing use or right after changing the type of on screen content (i.e. stopping playing video game to watch a movie).
Good value: 0 is perfect.
Noticeable difference: 0.015%
:
0.00 %
IR after 6 min recovery
What it is: Image retention measured after a recovery time of 6 minutes.
When it matters: When changing use or right after changing the type of on screen content (i.e. stopping playing video game to watch a movie).
Good value: 0 is perfect.
Noticeable difference: 0.015%
:
0.00 %
IR after 8 min recovery
What it is: Image retention measured after a recovery time of 8 minutes.
When it matters: When changing use or right after changing the type of on screen content (i.e. stopping playing video game to watch a movie).
Good value: 0 is perfect.
Noticeable difference: 0.015%
:
0.00 %
IR after 10 min recovery
What it is: Image retention measured after a recovery time of 10 minutes.
When it matters: When changing use or right after changing the type of on screen content (i.e. stopping playing video game to watch a movie).
Good value: 0 is perfect.
Noticeable difference: 0.015%
:
0.00 %

There are no signs of temporary image retention.

8.5 Gradient
What it is: How finely levels of color can be displayed.
When it matters: Details in shadows, sky and skin tones. Matters more for HDR content.
Score components: Subjectively assigned
ViewSonic XG2402 Gradient Picture
Color Depth
What it is: Number of bits per pixel to represent a specific color. Note: we consider 8-bit with dithering to be equivalent to 10-bit, as long as the 10-bit gradient looks smooth.
When it matters: HDR content like HDR video games or HDR UHD movies. Won't matter for regular Blu-ray movies, SDR video game or desktop environment content displayed from a Windows PC. Those are limited to 8-bit color.
Good value: 10-bit.
Noticeable difference: 1 bit.
:
8 Bit

The ViewSonic XG2402 does a great job displaying gradients. There is some slight banding visible in most colors, but this shouldn't be an issue.

10 Color Bleed
What it is: How much the color from one area of the screen affects the color in another area of the screen.
When it matters: All usages, but especially media creation.
Score components:
ViewSonic XG2402 Color bleed horizontal
Pixel row error
What it is: The amount of bleed that appears across the screen horizontally.
When it matters: General usage of a PC monitor, can appear when browsing the web or with media creation like graphics.
Good value: <0.2%
Noticeable difference: 0.1%
:
0.000 %
ViewSonic XG2402 Color bleed vertical
Pixel column error
What it is: Amount of color bleeding that appears across the screen vertically.
When it matters: Most uses of a PC monitor. Can appear while browsing the web or when editing images or graphics.
Good value: <0.2%
Noticeable difference: 0.1%
:
0.001 %

There is no noticeable color bleed when displaying large areas of similar color.

8.0 Reflections
What it is: How much light is reflected by the TV.
When it matters: Bright rooms.
Score components: Subjectively assigned
ViewSonic XG2402 Average room ViewSonic XG2402 Average room off picture ViewSonic XG2402 Bright room off picture

Great reflection handling. Even in a bright office, the image remains clear.

9.2

Motion

Score components:

The ViewSonic XG2402 has excellent motion handling. It has an impressive fast response time, and motion is crystal clear with almost no visible blur. The backlight is free of PWM flicker, which is great, but there is no option to introduce flicker. It has an excellent 144 Hz refresh rate, and it has a wide FreeSync VRR range when connected via HDMI or DisplayPort.

10 Motion Blur
What it is: The performance of the pixel response time. Poor response time causes trails to follow moving objects. Response time is one of a few sources of motion blur.
When it matters: When there's fast movement on screen, such as during video games and sports.
Score components:
ViewSonic XG2402 Motion Blur Picture ViewSonic XG2402 Response Time Chart
80% Response Time
What it is: How quickly pixels can reach 80% of a full transition from one color to another.
When it matters: When there's fast movement on screen, such as during video games and sports.
Good value: < 8 ms
Noticeable difference: 4 ms
:
2.3 ms
100% Response Time
What it is: How quickly pixels can fully transition from one color to another.
When it matters: When there's fast movement on screen, such as during video games and sports.
Good value: < 20 ms
Noticeable difference: 10 ms
:
6.9 ms
Best Overdrive Setting
What it is: If the monitor has adjustable pixel overdrive settings, which one produces the best response time with minimal overshoot.
When it matters: When adjusting the monitor's settings to get the least possible motion blur.
:
Faster

Rampage Response Standard
Rampage Response Fast
Rampage Response Faster
Rampage Response Ultra Fast
Rampage Response Fastest

The XG2402 has an outstanding fast response time. Most transitions are nearly instantaneous, and there is almost no measurable overshoot. This produces clear motion, with next to no noticeable motion blur. The lack of motion blur may bother some people if the frame rate drops too low.

7.5 Image Flicker
What it is: Luminosity pattern when displaying images
When it matters: Nearly all the time during PC monitor use, but especially during fast movement such as video games
ViewSonic XG2402 Backlight Picture
Flicker-free : Yes
PWM Dimming Frequency
What it is: Flickering pattern at different luminosities.
When it matters: For people sensitive to flickering.
Good value: N/A or high frequencies (> 300 Hz). Frequencies that are multiples of 60Hz are better.
:
0 Hz
Black Frame Insertion (BFI)
What it is: Option to turn screen black between frames
When it matters: Reduces eye tracking blur in motion
Good value: Yes
:
No
BFI Maximum Frequency
What it is: Highest possible frequency of flickering pattern
When it matters: Reduces eye-tracking blur in motion
Good value: Matches the native refresh rate
Noticeable difference: 20 Hz
:
N/A
BFI Minimum Frequency
What it is: Lowest possible frequency of flickering pattern
When it matters: Reduces eye-tracking blur in motion
Good value: 60 Hz
Noticeable difference: 20 Hz
:
N/A

The ViewSonic XG2402 is PWM flicker-free. Unfortunately, there is no option to introduce flicker to improve motion clarity.

9.2 Refresh Rate
What it is: How frequently the monitor can refresh and show new frames, and whether it can vary its refresh rate in real time using technologies like G-sync and FreeSync.
When it matters: Mostly for gaming, but does provide a little better motion during normal usage.
Native
What it is: The frequency at which the monitor is capable of displaying images every second
When it matters: General usage, but better results are most important for gaming
Good value: >100 Hz
Noticeable difference: 15 Hz
:
144 Hz
Factory Overclock
What it is: The frequency at which the monitor's can be boosted to using its internal menu.
When it matters: Gaming and other usages where high frame rate content is consumed.
Good value: >100
Noticeable difference: 15
:
N/A
Variable Refresh Rate
What it is: Feature that allows the monitor to synchronize its refresh rate with the input device's output and reduces stuttering and screen tearing.
When it matters: Almost every usage, but is most noticeable in gaming where constant fluctuation in framerate cause distracting artifacts.
:
FreeSync
VRR Maximum
What it is: The maximum frequency covered by the Variable Refresh Rate feature of the monitor.
When it matters: Any time the VRR feature is enabled.
Good value: Matches Refresh rate
Noticeable difference: 10 Hz
:
144 Hz
VRR Minimum
What it is: The lowest frequency covered by the monitor's Variable Refresh Rate feature.
When it matters: When using the VRR feature of the monitor at lower frame rates.
Good value: 30 Hz
:
< 20 Hz
VRR Maximum With OC
What it is: The maximum frequency covered by the Variable Refresh Rate feature when the monitor's overclocking feature is used.
When it matters: When both the overclocking and VRR features are used.
Good value: Matching the overclocked refresh rate.
Noticeable difference: 10 hz
:
N/A
VRR Supported Connectors : DisplayPort, HDMI

The XG2402 has an excellent 144 Hz refresh rate (it is one of the best 144Hz monitors we've tested so far), great for gaming. It supports FreeSync over HDMI and DisplayPort, and both have the same wide FreeSync range. In graphically demanding scenes where the framerate drops too low, the monitor uses LFC to compensate, ensuring a consistent tear-free gaming experience.

8.6

Inputs

Score components:

The ViewSonic XG2402 has great low input lag, excellent for gaming. Unfortunately, it only has a 1080p resolution and 24" screen, which may be disappointing to some users. It has a good selection of inputs, and can be used as a USB hub.

9.6 Input Lag
What it is: Delay between input and onscreen reaction.
When it matters: General usage of the mouse and gaming.
Native Resolution
What it is: Lowest input lag possible at the center of the screen, when the monitor is displaying its native resolution at its native refresh rate.
When it matters: General usage and while playing video games.
Good value: < 15 ms
Noticeable difference: 5 ms
:
4.1 ms
Non-Native Resolution
What it is:

Lowest input lag possible at the center of the screen, when the monitor is displaying an alternative resolution at its native refresh rate. The non-native resolution tested depends on the native resolution of the monitor, following this pattern unless otherwise specified in the Input Lag text:

Native Resolution Non-Native Resolution Tested
4k UHD QHD
QHD FHD
FHD 1600x900
3440x1440 2560x1080
2560x1080 1920x1080
When it matters: General usage as well as gaming.
Good value: < 15 ms
Noticeable difference: 5 ms
:
N/A
Native Resolution @ 60 Hz
What it is: Lowest input lag possible at the center of the screen, when the monitor is displaying its native resolution at a refresh rate of 60 Hz.
When it matters: General usage as well as gaming.
Good value: < 15 ms
Noticeable difference: 5 ms
:
8.8 ms
Variable Refresh Rate
What it is: Lowest input lag possible at the center of the screen, when the monitor is using its Variable Refresh Rate feature at its native resolution.
When it matters: General usage as well as gaming.
Good value: < 15 ms
Noticeable difference: 5 ms
:
4.3 ms
HDR
What it is: Lowest input lag possible at the center of the screen, when the monitor is displaying an HDR signal at its native resolution and refresh rate.
When it matters: General usage as well as gaming.
Good value: < 15 ms
Noticeable difference: 5 ms
:
N/A
Black Frame Insertion (BFI)
What it is: Lowest input lag possible at the center of the screen, when BFI is enabled and the monitor is displaying a signal at the highest supported BFI refresh rate.
When it matters: General usage as well as gaming.
Good value: < 15 ms
Noticeable difference: 5 ms
:
N/A

The ViewSonic XG2402 has outstanding low input lag, one of the best we've tested, slightly better than the MSI Optix G27C. The 60 Hz input lag is higher, but still excellent.

Only 1920x1080 is supported at 144 Hz.

7.2 Resolution and Size
What it is: The number of pixels the monitor can display, and the surface area of its screen.
When it matters: All usages, but especially for office and media editing.
Score components:
Native Resolution : FHD, 1920 x 1080
Aspect Ratio : 16:9
Megapixels : 2.1 MP
Pixel Density : 92 PPI
Screen Diagonal : 24.0 inches
Screen Area : 247 sq inches

The 24" screen is decent, but some users might find the 1080p resolution too low.

Inputs
Total Inputs
DisplayPort : 1 (DP 1.2)
Mini DisplayPort : No
HDMI : 2 (HDMI 1.4)
DVI : No
VGA : No
DisplayPort Out : No
USB : 2 (USB 3.0)
USB C : No
Analog Audio Out 3.5mm : 1
Microphone In 3.5mm : No
Digital Optical Audio Out : No
Analog Audio Out RCA : No

The 3.5mm analog audio out port is a headphone port with adjustable volume on the monitor's on screen display. It supports DisplayPort 1.2, but this must be enabled on the OSD.

Features

The ViewSonic XG2402 has some basic additional features. It has built-in speakers, but does not support HDR. There are no overlay options for displaying the frame rate or a crosshair when gaming. The OSD has a lot of options, but the layout is convoluted and can be difficult to navigate.

Additional Features
What it is: Additional features found on the monitor
Score components:
Speakers
What it is: Whether or not the monitor features standalone speakers.
When it matters: When using your computer without headphones or a dedicated pair of speakers.
:
Yes
HDR10 : No

The XG2402 has a few gaming-oriented features, including:

  • RampageX: This setting controls the red accent lighting on the back of monitor.
  • Black Stabilization: A customizable setting designed to make it easier to spot objects in dark scenes. Most monitors that have this feature have 4 setting levels, the XG2402 has 22.
  • Custom 1,2,3: There are three customizable settings presets that allow you to completely customize the settings and save them. They can be renamed, which is rare.
  • Monitor Hertz Cap: You can limit the monitor to 60 Hz, 100 Hz, or native (144 Hz). Note that with this enabled it is still possible to send a higher refresh rate, but this results in dropped frames.
On-Screen Display (OSD)
ViewSonic XG2402 OSD picture

The OSD always shows two pieces of information about the current state of the monitor. The bar on the left is the current power consumption of the monitor, expressed as a percentage of the maximum. The number on the right shows the current max refresh rate of the monitor, not the actual current refresh rate.

Controls
ViewSonic XG2402 Controls picture

The controls are somewhat confusing and the OSD can be difficult to navigate at times. Some options appear in multiple places which can be more confusing.

In The Box
ViewSonic XG2402 In The Box picture

  • Power Cable
  • DisplayPort Cable
  • USB Cable
  • Manual
  • Cable Management Clip

Differences between Sizes and Variants

We tested the 24" ViewSonic XG2402. It is also available in 27" (XG2702), and for the most part, we expect our review to be valid.

If someone comes across a different type of panel or if their ViewSonic XG2402 doesn't correspond to our review, let us know and we will update the review. Note that some tests such as the gray uniformity may vary between individual units.

Model Size Resolution Refresh Rate Notes
XG2402 24" 1080p 144 Hz FreeSync
XG2702 27" 1080p 144 Hz FreeSync

The XG2402 we reviewed was manufactured in June 2018

Compared to other Monitors

ViewSonic XG2402 Group Shot Picture
Left: ASUS VG248QE. Middle: ViewSonic XG2402. Right: Dell P2417H.
Unlike our other photographs, this picture wasn't taken under a controlled environment, so do not draw conclusions from it.

The ViewSonic XG2402 is a decent monitor for most uses. It is a great gaming monitor (see our recommendations for the best gaming monitors and the best gaming monitors under $300), and it is aggressively priced to beat the competition.

ASUS VG248QE

The ViewSonic XG2402 is better than the ASUS VG248QE. Overall, the two are very similar, with very similar performance under most uses. The XG2402 supports AMD FreeSync, making it a better choice for gaming. The XG2402 also has better color volume.

ASUS VG245H

The ViewSonic XG2402 is much better than the ASUS VG245H. The XG2402 has a higher refresh rate, and a wider FreeSync range, ensuring a more fluid, tear-free gaming experience. The ViewSonic also has better response time, so fast moving objects appear clear with no blur trail. The ViewSonic also has much better color volume, although it has worse native contrast.

Dell S2417DG

The Dell S2417DG is slightly better than the ViewSonic XG2402. The Dell S2417DG is a G-Sync monitor, with a higher 2560x1440p resolution, so you can see more fine details in games or multitask easier. The ViewSonic XG2402 is a FreeSync monitor, great for Xbox One S/X gamers, or if you have an AMD graphics card. The Dell also has an option to introduce flicker to help reduce motion blur.

AOC AGON AG271QX

The AOC AGON AG271QX is slightly better than the ViewSonic XG2402. The AG271QX is better at displaying large areas of similar color, as it supports 10-bit color. However, the main advantage of the AGON AG271QX is the larger, higher resolution screen, that makes it much easier to see fine details in games and for multitasking.

Acer XF251Q

The ViewSonic XG2402 is better than the Acer XF251Q. The XG2402 has much better motion performance, thanks to the faster 144 Hz refresh rate. The XG2402 is also a bit brighter, and has a better color gamut and better color volume.

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Conclusion
SEE PRICE
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7.4Mixed Usage
Score components:
The ViewSonic XG2402 is a decent monitor for most uses. It is especially well suited as a gaming monitor, thanks to the fast response time, high refresh rate, and FreeSync support. It has a good stand and good ergonomics, so it can easily be adjusted to a more comfortable viewing position. Unfortunately, it has poor dark room performance and disappointing viewing angles.
Decent monitor for office use. It has a good stand that is easy to adjust to an ideal viewing position. It has good peak brightness, and good reflection handling, so there should be no issues in a bright office setting. Unfortunately, it has disappointing viewing angles, and the 24", FHD screen isn't great for multitasking.
The ViewSonic XG2402 is a great gaming monitor. It has an outstanding response time, and a fast refresh rate with FreeSync VRR support, great for PC or Xbox One S/X gaming. It has excellent low latency, ensuring a responsive gaming experience. Unfortunately, it doesn't look as good in a dark room, so it may be disappointing for late night gaming sessions.
Decent monitor for multimedia. The 24", 1080p screen isn't as sharp as today's typically larger, 4k screens. It also doesn't perform well in a dark room, and has disappointing viewing angles. It has an excellent fast response time, so fast moving objects look clear with little motion blur.
The XG2402 is a decent monitor for media creation. It is limited by the 24", FHD screen, so it isn't as easy to multitask or see your entire project. It also doesn't support the Adobe RGB color space, which may be disappointing to those working in the print industry.
The XG2402 does not support HDR. For a good HDR monitor, check out the Samsung CHG70.

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