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Reviewed on Aug 03, 2018 , Dimitris Katsaounis, Yannick Khong

ASUS ROG Swift PG279Q
MONITOR REVIEW

Usage Ratings - Version 1.0

Test Benches:

  • 1.0: Fall 2017
8.0
Mixed Usage
Score components:
Size : 27 "
Resolution : 2560x1440
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.
:
IPS
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.
:
G-Sync

The ASUS PG279Q is a great 144Hz gaming monitor with a 1440p IPS panel. The picture quality is decent with a great brightness, good for overcoming glare in a bright room. The monitor has a low native contrast ratio so blacks appear gray in a dark room, but good viewing angles so the image remains accurate when viewed from up-close. Motion handling is excellent due to the very fast response time and high refresh rate, and the monitor feels very responsive due to the low input lag.

Test Results
Design 8.0
Picture Quality 7.1
Motion 9.3
Inputs 9.0
Pros
  • Excellent motion handling
  • Feels very responsive
  • Remains accurate when viewed from up close
Cons
  • Blacks appear gray in a dark room
  • No HDR support

Check Price

27" ROG PG279Q
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Amazon.com
8.0

Design

Score components: Subjectively assigned
ASUS ROG PG279Q Design Picture
Curved : No
Curve radius : N/A
Weight (without stand) : 8.2lbs (3.7 kg)
Weight (with stand) : 15.7lbs (7.1 kg)

The design of the ASUS PG279Q is very good. It has a nice stand with great ergonomics and the entire build feels solid and sturdy. It is made out of plastic, but this should not be an issue. Borders are thin and the back is clean with good cable management. It is thicker than most monitors, but the nice ergonomics are worth it. The base of the monitor can also light up with red LEDs, as seen here.

Stand
ASUS ROG PG279Q Stand picture
Width : 12.0" (31.5 cm)
Depth : 9.4" (23.8 cm)

The stand of the ASUS PG279Q is plain and supports the monitor well, although it will wobble slightly if knocked. The base of the monitor can also light up with red LEDs, as seen here.

8.2 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
ASUS ROG PG279Q Ergonomics picture
Height Adjustment : 4.5" (11.5 cm)
Switch portrait/landscape : Yes
Swivel Range : -60° to 60°
Tilt Range : -20° to 5°

Very good ergonomics for this ASUS PG279Q. The monitor can be positioned to almost any position you wish with just a few moves and adjustments.

Back
ASUS ROG PG279Q Back picture
Wall Mount : VESA 100x100

The back of the monitor is plastic and plain. It has two vents designed to dissipate heat that traverse from top to bottom. Cable management is provided through the stand as seen here.

Borders
ASUS ROG PG279Q Borders picture
Borders : 0.4" (1.0 cm)

This ASUS PG279Q has quite thin borders that have a textured finish. There is almost no bezel but the screen area does not start immediately at the border as there is a small gap.

Thickness
ASUS ROG PG279Q Thickness picture
Thickness (with stand) : 8.1" (20.6 cm)
Thickness (without stand) : 2.7" (6.8 cm)

The thickness of the monitor with the stand is significant. It is one of the thickest monitors we have tested. And this remains true when you remove the stand to VESA mount it. It is generally not a slim monitor.

8.0 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
ASUS ROG PG279Q Build Quality picture

The built quality of this monitor is good. It is mostly plastic but feels very solid.
This is one the monitors that we have been using in the office for quite some time and because of the regular cleaning, the A on the ASUS logo on the front of the monitor has gone missing as you can see here. As expected this did not affect the performance of the monitor.

The picture quality of this ASUS PG279Q monitor is decent. It has an okay contrast ratio, better than most IPS monitors, and good brightness levels to overcome glare. It is a good choice for both darker or brighter rooms. It is a good monitor to work together with a colleague as it does not lose picture quality when viewed from the side and has very accurate colors. Gray uniformity should not be an issue, so you can browse the web without noticing any dirty screen effect. 

6.5 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:
ASUS ROG PG279Q 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
:
1334 : 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

Decent contrast ratio and among the best for IPS panels we have tested so far. However, the blacks are not very deep and look slightly grayish when watched in darker rooms. In brighter environments, however, this should not be an issue.

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 Asus PG279Q does not have a local dimming feature. The video is for reference only.

8.1 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.
:
385 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
:
389 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
:
394 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.
:
394 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.
:
391 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.
:
390 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.
:
388 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.
:
394 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.
:
394 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.
:
390 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.
:
390 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 SDR brightness performance for the Asus PG279Q. The monitor can get bright enough to overcome glare and thus it is suitable for brighter rooms. Also, the brightness level remains relatively constant at the different window sizes and this is great.
Compared to its rival, the Acer Predator XB271HU, the ASUS ROG is about 100 cd/m² brighter on the SDR real scene.

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.

7.4 Horizontal Viewing Angle
What it is: Color accuracy when viewed from the side.
ASUS ROG PG279Q 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°
:
42 °
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°
:
40 °
ASUS ROG PG279Q 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°
:
50 °
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°
:
48 °
ASUS ROG PG279Q 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°
:
75 °
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°
:
75 °
Curve Radius : N/A

As most monitors with IPS panels, the ASUS Swift PG279Q has decent horizontal viewing angles. This means that you can view the monitor from the side and the image will remain accurate as long as you stay in small angles.

8.2 Vertical Viewing Angle
What it is: Color accuracy when viewed from the top or bottom.
ASUS ROG PG279Q 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°
:
30 °
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°
:
29 °
ASUS ROG PG279Q 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°
:
36 °
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°
:
35 °
ASUS ROG PG279Q 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°
:
75 °
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°
:
75 °

Very good vertical viewing angles of the ASUS PG279Q. You can look at the monitor from small angles from below or above without noticing image deterioration. This is also good if you sit close to the monitor as the edges will not lose accuracy.

8.6 Gray Uniformity
What it is: Evenness of colors onscreen (not just gray).
When it matters: Solid colors. Sports, panning shots.
Score components:
ASUS ROG PG279Q 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%
:
2.615 %
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%
:
0.123 %
ASUS ROG PG279Q 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%
:
0.312 %
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%
:
0.054 %

Excellent gray uniformity on the ASUS PG279Q. Especially in the darker scenes, the uniformity is remarkable and it is unlikely that you will notice any clouding or dirty screen effect while browsing.

5.8 Black Uniformity
What it is: Evenness of blacks.
When it matters: Dark scenes viewed in a dark room.
Score components:
ASUS ROG PG279Q 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.
:
2.103 %
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

The black uniformity of the ASUS PG279Q is disappointing. There is some clouding all over the screen although it is not very noticeable unless you are in a dark room watching a dark panning shot.

9.0 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:
ASUS ROG PG279Q Pre Calibration Picture ASUS ROG PG279Q Pre Gamma Curve Picture ASUS ROG PG279Q 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.
:
Racing Mode
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.
:
285 cd/m²
Luminance Settings
What it is: The luminance settings, often named 'Brightness' on monitors, usually range from 0 to 100.
:
60
Contrast Setting
What it is: The monitor contrast setting, usually ranging from 0 to 100.
:
50
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.
:
(User) 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
:
6472 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
:
0.78
Color dE
What it is: Average inaccuracy of colors.
When it matters: All colors.
Good value: < 3
Noticeable difference: 1
:
1.96
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
:
2.13

Excellent out-of-the-box color accuracy for the ASUS ROG PG279Q. We obtained the best results when we chose the Racing Mode. The white balance dE and the color dE were below the threshold of 3 where we expect people to start notice inaccuracies. Gamma followed the curve decently and the color temperature was very close to the target as well.

9.7 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:
ASUS ROG PG279Q Post Calibration Picture ASUS ROG PG279Q Post Gamma Curve Picture ASUS ROG PG279Q 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.
:
Racing Mode
Luminance
What it is: The luminance at which the calibration was executed. We aim for a luminance level of 100 cd/m².
:
99 cd/m²
Luminance Settings
What it is: The luminance settings, often named 'Brightness' on monitors, usually range from 0 to 100.
:
9
Contrast Setting
What it is: The monitor contrast setting, usually ranging from 0 to 100.
:
50
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.
:
(User) 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
:
6501 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
:
0.38
Color dE
What it is: Average inaccuracy of colors.
When it matters: All colors.
Good value: < 3
Noticeable difference: 1
:
0.49
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
:
2.18

Almost perfect score in color accuracy after our calibration for this ASUS ROG Monitor. Even the small inaccuracies that were observed before calibration were improved.

Note for those who wish to calibrate the monitor: During calibration, there was an offset of 50 between the contrast setting value on CalMAN and the value on the monitor's OSD (CalMAN indicated 100 when it was 50 on the OSD), but that did not affect the calibration.

You can download our ICC profile calibration here.

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:
ASUS ROG PG279Q 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%
:
97.5 %
ASUS ROG PG279Q 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%
:
76.7 %

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

The ASUS ROG monitor has a remarkable color gamut. The coverage of the s.RGB color space is outstanding. Also, the wider Adobe RGB color space is covered well although those who work in photo editing applications would probably prefer even better coverage (see our recommendations for the best monitors for photo editing).

8.9 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:
ASUS ROG PG279Q 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
:
95.7 %
ASUS ROG PG279Q 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
:
82.6 %

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

Excellent color volume for the ASUS ROG PG279Q. The monitor can display a great number of colors in various levels of luminance and only lacks the very dark shades due to its not so great contrast ratio.

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.
ASUS ROG PG279Q 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 is no temporary image retention present on the IPS panel even after our 10-minute high contrast torture test, which is excellent.

7.8 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
ASUS ROG PG279Q 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 ASUS PG279Q does a very good job at displaying the gradient test image. Almost no banding is visible except some slight banding that can be seen in darker shades.

9.5 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:
ASUS ROG PG279Q 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 %
ASUS ROG PG279Q 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%
:
0.107 %

Excellent performance on color bleed. The ASUS PG279Q produces an insignificant amount of color bleed, but it is unlikely that most will notice its presence when displaying large vertically oriented elements of uniform color or fine grid pattern.

7.5 Reflections
What it is: How much light is reflected by the TV.
When it matters: Bright rooms.
Score components: Subjectively assigned
ASUS ROG PG279Q Average room ASUS ROG PG279Q Average room off picture ASUS ROG PG279Q Bright room off picture

The reflection handling of this ASUS ROG monitor are good. The monitor diffuses reflections across the screen, which helps to reduce their intensity. It should be fine for most rooms, but reflections may be distracting in a very bright room. The reflections are still better than the Acer Predator XB271HU.

Update 08/06/2018: An error was made when processing the reflections photo, which has now been fixed. The score has also been updated.

9.3

Motion

Score components:

The ASUS PG279Q has excellent motion handling. It has a remarkably low response time, thus you can only notice a very slight trail following the image. If you wish, you can introduce flicker to the image to clear the blur by enabling NVIDIA's ULMB feature. With a native refresh rate of 144Hz, it can handle any fast action, and G-Sync will ensure a smooth image with no tearing.

9.8 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:
ASUS ROG PG279Q Motion Blur Picture ASUS ROG PG279Q 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
:
3.5 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
:
7.6 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.
:
Normal

OD Off
OD Normal
OD Extreme

The response time of the PG279Q is outstanding. This will result in a very small trail of blur following moving objects, which is great for fast-paced video games. The Normal overdrive setting is the most balanced and provides the best response time without introducing overshoot. The Extreme option has a faster 80% transition time, but it adds some terrible overshoot, so we recommend the Normal setting.

9.4 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
ASUS ROG PG279Q 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
:
Yes
ASUS ROG PG279Q BFI Picture ASUS ROG PG279Q BFI Frequency Picture
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
:
120 Hz
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
:
85 Hz

Like the majority of monitors, the Asus PG279Q has a flicker-free backlight, which is great. However, it can add optional flicker that matches the input rate using NVIDIA's ULMB feature. This makes motion look clearer, but also reduces the perceived brightness of the screen since the backlight is turned off during the majority of its duty cycle. The monitor also has a Pulse Width option to change the pulse width of the flicker, which makes motion even clearer but greatly reduces the brightness of the screen. ULMB is only available on DisplayPort as HDMI can only send images at up to 60 Hz, which is lower than the minimum required frequency for BFI.

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
:
165 Hz
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.
:
G-Sync
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
:
165 Hz
VRR Supported Connectors : DisplayPort

The ASUS PG279Q has an excellent refresh rate of 144hz to please most gamers (it is one of the best 144Hz monitors we've tested). At the same time, it supports G-Sync NVIDIA's implementation of the VRR technology, but only when connected through DisplayPort. This is good news for those who have compatible NVIDIA graphics cards on their PC, but G-Sync is not supported on XBOX ONE.

9.0

Inputs

Score components:

The monitor has a large 27" 1440p panel, which is great for almost every usage. It also has excellent low input lag, to please even the most demanding gamers.

9.5 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
:
4.4 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
:
12.2 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
:
4.8 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
:
10.8 ms

Excellent low input lag for this monitor and this is great news for gamers.

Notes: The BFI frequency at which the input lag was tested is 120 Hz.
Non-native resolutions are not properly displayed on this monitor (They are identified as 1440p in the OSD) but this should not be a problem as most graphics cards do the upscaling anyway.

8.4 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 : QHD, 2560 x 1440
Aspect Ratio : 16:9
Megapixels : 3.7 MP
Pixel Density : 109 PPI
Screen Diagonal : 26.9 inches
Screen Area : 310 sq inches

The ASUS PG279Q has a very good QHD native resolution and a fairly large 27" size, which are great for almost all usages.

Inputs
Total Inputs
DisplayPort : 1 (DP 1.2)
Mini DisplayPort : No
HDMI : 1 (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

Features

The ASUS ROG PG279Q has some optional gaming features and an on-screen display that is easy to navigate. It has integrated speakers, but like the majority of monitors, it does not support HDR.

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 Asus PG279Q has the same gaming features found on the other ASUS ROG monitors like the VG245H. The GamePlus menu, which can be quickly accessed by pressing the second highest button, offers three features:

  • Crosshair
  • FPS counter
  • Timer

To disable the OSD features, press the X button on the monitor to access the menu, then press it a second time to disable these OSD features.

The monitor also comes equipped with two internal speakers.

On-Screen Display (OSD)
ASUS ROG PG279Q OSD picture

The on-screen display is very intuitive, easy to navigate and well-organized.

Controls
ASUS ROG PG279Q Controls picture

There are 4 buttons and a small joystick on the back of the monitor which control the on-screen display. Navigating the OSD is very intuitive using the joystick, but you might find it inconsistent at times as the joystick is very sensitive.

In The Box
ASUS ROG PG279Q In The Box picture

  • Manual and drivers
  • Power cable and adapter
  • USB cable
  • HDMI cable
  • DisplayPort cable

Differences between Sizes and Variants

We tested the 27" (PG279Q) which is the only size of this monitor available. There are other variants within the ASUS gaming range which differ in design, size, and refresh rate. 

Model Size Native Resolution Refresh rate Notes
PG279Q 27" 1440p 144Hz G-Sync support
VG248QE 24" 1080p 144Hz Lightboost support
VG245H 24" 1080p 75Hz FreeSync support
VG278Q 27" 1080p 144Hz FreeSync support
VG275Q 25" 1080p 75Hz FreeSync support

Note: The ASUS ROG PG279Q we purchased was manufactured in March 2017. 

Compared to other Monitors

ASUS ROG PG279Q Group Shot Picture
Left: Acer Predator XB271HU. Middle: ASUS PG279Q. Right: Samsung CHG70
Unlike our other photographs, this picture wasn't taken under a controlled environment, so do not draw conclusions from it.

The ASUS PG279Q is great for gaming due to the G-Sync variable refresh rate support, and it is one of the best gaming monitors and best PC gaming monitors we've tested in 2018. See our recommendations for the best monitors.

Acer Predator XB271HU

The ASUS ROG PG279Q is better than the Acer Predator XB271HU. The ASUS has slightly better motion blur which is great for gaming and comes with marginally better out-of-the-box color accuracy that is great for office use. Also if you plan to use it for media creation, the better black uniformity of the ASUS makes it a better choice.

Dell S2716DG

The ASUS ROG PG279Q is a significantly better monitor than the Dell S2716DG regardless of the usage. The IPS panel of the ASUS has better viewing angles, so when viewed from up close the image remains more accurate. The uniformity is also marginally better on the ASUS and this is good for a variety of usages. 

Samsung CHG70

If you want a monitor for office use, then the ASUS ROG PG279Q is a better choice due to its wider viewing angles. On the other hand, if you are playing a lot of HDR games, the Samsung CHG70 should be your choice as it supports HDR and will offer a decent HDR gaming experience. If plain gaming is your thing, then both monitors are excellent. They also perform very similarly in other usages without one being significantly better than the other.

LG 32GK850G

The ASUS ROG PG279Q is significantly better than the LG 32GK850G. The ASUS ROG PG279Q has better viewing angles due to its IPS panel, and this is great if you plan to share your work with your colleagues. The ergonomics on the ASUS ROG PG279Q are better so you can place it comfortably without much effort. Finally, the ASUS ROG PG279Q has an optional black frame insertion feature that allows it to make the image look crisper by introducing flicker.

HP OMEN 27

The ASUS ROG PG279Q is a significantly better monitor than the HP OMEN 27 in almost every usage. The ASUS has an IPS panel and thus better viewing angles than the TN panel HP. Also, the ASUS has better uniformity and better contrast ratio and this is great for many different usages.

Acer Predator X27

The Acer Predator X27 and ASUS ROG Swift PG279Q offer very similar performance overall. The Acer X27 has a higher native resolution, at 4k, that allows you to see more details or multitask easier. The X27 supports HDR and has a wider color gamut. The ROG Swift PG279Q has better motion handling, including an optional black frame insertion feature, and has less input lag for gaming.

Dell U2718Q

The ASUS ROG Swift PG279Q is a bit better than the Dell Ultrasharp U2718Q. The PG279Q has much better motion handling. The high refresh rate delivers a nearly perfect response time with almost no motion blur, as well as being flicker free. The ROG PG279Q also has an optional black frame insertion feature that can help clear up motion, and supports NVIDIA's G-Sync technology. The Dell U2718Q has a higher resolution 4k screen, and supports HDR, even though HDR doesn't add much due to the U2718's limited color volume and low peak brightness.

ASUS ROG PG348Q

The ASUS ROG PG279Q is better than the ASUS ROG Swift PG348Q. The PG279Q has better motion handling, with an even faster response time that produces almost no noticeable motion blur. The backlight on the PG279Q also has the option to introduce flicker to reduce persistence blur. While both monitors support NVIDIA's G-Sync technology, the PG279Q has a higher native refresh rate of 144Hz that can easily be overclocked to 165 Hz.

Dell U2715H

The ASUS ROG PG279Q is much better than the Dell U2715H. The ASUS ROG PG279Q has a faster refresh rate and G-SYNC support which can remove tearing in video games. The ASUS also has lower input lag which makes it very responsive to your actions and supports BFI to make the image crisper in fast-moving content.

MSI Optix G27C

The ASUS ROG PG279Q is much better than the MSI Optix G27C. The PG279Q uses an IPS panel, which has much wider viewing angles and has a higher native resolution. It is much easier to place in an optimal viewing position thanks to the better ergonomics. Motion looks better on the PG279Q, as there is much less motion blur, thanks to the faster response time.

BenQ Zowie XL2540

The ASUS ROG PG279Q is much better than the BenQ Zowie XL2540. The PG279Q has a higher native resolution and larger IPS screen that has much better viewing angles. While both support VRR, the ASUS uses NVIDIA's G-SYNC technology whereas the BenQ uses AMD's FreeSync technology, so it is important to match the monitor with whichever graphics card you have to be able to get the most out of either monitor.

Samsung CF791

The ASUS ROG PG279Q is a much better monitor than the Samsung CF791. If you play a lot of games, the ASUS has significantly better input lag, slightly better motion blur and supports G-Sync to smooth out tearing. Also, the ASUS has better viewing angles, which is great if you wish to use it at the office. 

Dell U2717D

The ASUS ROG PG279Q is much better than the Dell U2717D. The ASUS ROG PG279Q performs much better in gaming, as it has a lower input lag, a much faster refresh rate, supports G-SYNC VRR, and has less motion blur. Finally, the ASUS ROG PG279Q offers the option to introduce flicker to make the image crisper.

ASUS VG245H

The ASUS ROG PG279Q is significantly better than the ASUS VG245H. The ROG has a larger, higher resolution screen, and faster refresh rate. The ROG also has better gray uniformity and wider viewing angles. Motion looks better on the PG279Q due to the faster response time and the optional Black Frame Insertion feature. The stand on the VG245H is slightly better, as the ergonomic adjustments have a slightly wider range.

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Conclusion
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8.0Mixed Usage
Score components:
This is a great monitor for mixed usage. It has a nice size and good resolution that are welcomed in almost any usage. The good viewing angles make it suitable for co-operative work at the office, whereas the great low input lag, excellent motion handling, and the G-Sync feature make it an attraction for gamers.
The ASUS PG279Q is a great monitor for office use. The great ergonomics allow you to easily position it in any way you like. The 27-inch monitor has a QHD resolution which displays enough detail for most office applications. At the same time, anyone who sits next to you will enjoy the same picture quality even while looking from the side, so you can demonstrate your work nicely.
This is an excellent monitor for gaming. It has an excellent low input lag and a remarkable response time. It is equipped with nice gaming features as it supports G-Sync to smooth out the image. Also, its large size and good resolution allow you to see more details of the game scene. Finally, if you have more than one monitor, you can place this one in any way that suits your gaming due to its great ergonomics.
This is a very good monitor for multimedia usage. It has a relatively large screen size and good resolution so you can enjoy your multimedia content without sacrificing detail. At the same time, it's very easy to position it to your liking. Finally, the low input lag, the good viewing angles, and the excellent gray uniformity will make sure that even those watching from the side will see a nice image without shades or dirty screen effect that feels very responsive.
You will enjoy using this monitor for media creation. It has a relatively large size and its resolution is great for working on photos or videos. It is very responsive due to its low input lag, it has good viewing angles and excellent gray uniformity.
Unfortunately, the ASUS PG279Q does not support HDR unlike the Samsung CHG70.

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