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Reviewed on Sep 26, 2018 , Simon Barbier, Yannick Khong

HP 27Q
MONITOR REVIEW

Usage Ratings - Version 1.0

Test Benches:

  • 1.0: Fall 2017
7.0
Mixed Usage
Score components:
Size : 27 "
Resolution : 2560x1440
Refresh Rate : 60 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.
:
FreeSync

The HP Pavilion 27Q is a basic entry-level 27-inch IPS QHD monitor with decent picture quality. It has excellent gray uniformity and can handle reflections very well. It can get bright enough to overcome glare and you can use it in a brighter room with no issues. However, it is not well suited for a dark room due to the poor black levels and poor black uniformity. Unfortunately, the HP 27Q has image retention issues, although most people won't notice it. It has low input lag when used in gaming mode and it supports FreeSync to avoid tearing.

Test Results
Design 7.0
Picture Quality 6.6
Motion 7.8
Inputs 8.0
Pros
  • Great brightness
  • Excellent gray uniformity
Cons
  • Image retention issues
  • Poor ergonomics

Check Price

7.0

Design

Score components: Subjectively assigned
HP 27Q Design Picture
Curved : No
Curve radius : N/A
Weight (without stand) : 9.2lbs (4.2 kg)
Weight (with stand) : 10.6lbs (4.8 kg)

The design of the HP 27Q is very plain. The stand is sturdy and supports the monitor well but does not allow much freedom in positioning the monitor to your liking. You can tilt, but not swivel or rotate. The build quality is good and the monitor feels solid without any gaps. Like all monitors, it will wobble slightly when pushed.

Stand
HP 27Q Stand picture
Width : 8.2" (20.8 cm)
Depth : 6.1" (15.5 cm)

The stand of the monitor is metallic and plain. It supports the monitor well and does not allow it to wobble a lot.

1.6 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
HP 27Q Ergonomics picture
Height Adjustment : N/A
Switch portrait/landscape : No
Swivel Range : N/A
Tilt Range : -25° to 5°

Ergonomics are bad on this monitor. There is no height adjustment, no swivel, and no switching to portrait mode. There is only a very limited tilt range.

Back
HP 27Q Back picture
Wall Mount : VESA 100x100

The back of the monitor is quite basic but looks good. There is no cable management, as shown here, although, you can try to route the cables through the stand.

Borders
HP 27Q Borders picture
Borders : 0.3" (0.8 cm)

Thin metallic borders with a very thin bezel. There is, however, a thin strip of screen between the bezel and where the image starts. This is a good monitor to use if you plan to have more than one monitor next to each other.

Thickness
HP 27Q Thickness picture
Thickness (with stand) : 6.1" (15.5 cm)
Thickness (without stand) : 2.5" (6.3 cm)

The thickness is average for its size. If you VESA mount it, it will still protrude a little.

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
HP 27Q Build Quality picture

The build quality is good without gaps or loose ends. The whole construction feels solid and sturdy and you will have no issues with the build quality of this monitor.

The picture quality of the HP 27Q is decent. The contrast is low, as expected for an IPS monitor and there are image retention issues if you display static images for a prolonged period of time, although it will be hard to notice in normal usage. On the positive side, the monitor has great SDR peak brightness, excellent gray uniformity, and great reflection handling, so you can place it in a room with a few light sources without any issues. Finally, its out of the box accuracy is great and most people will not need to make any color corrections.

5.8 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:
HP 27Q 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
:
907 : 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

The HP 27Q has a sub-standard native contrast ratio and blacks look grayish in a dark room. A low native contrast ratio is expected in IPS monitors and it is best suited for a well-lit room. This performance is lower than rival LG 27UD58-B.

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.
:
Edge

Local dimming is not supported. The video is for reference only.

Update 11/30/18: By mistake the Backlight value was left to 'N/A'. We updated it to the correct value: 'Edge'.

8.0 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.
:
370 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
:
334 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
:
340 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.
:
341 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.
:
341 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.
:
341 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.
:
333 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.
:
340 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.
:
341 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.
:
341 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.
:
341 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 for the HP 27Q. The monitor maintains consistent brightness across all scenes and is very similar to the Acer G257HU.

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.

6.2 Horizontal Viewing Angle
What it is: Color accuracy when viewed from the side.
HP 27Q 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°
:
33 °
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°
:
33 °
HP 27Q 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°
:
43 °
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°
:
43 °
HP 27Q 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°
:
36 °
Curve Radius : N/A

The HP 27Q has mediocre horizontal viewing angles. Blacks remain good, but brightness degrades whereas colors intensify noticeably near the edges of the screen. This is slighlty worse than the LG 27UD58-B

8.3 Vertical Viewing Angle
What it is: Color accuracy when viewed from the top or bottom.
HP 27Q 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°
:
29 °
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°
:
27 °
HP 27Q 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°
:
38 °
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°
:
37 °
HP 27Q 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 for the HP 27Q. You will have no issues with this monitor if you look at it from below or from above. Similar performance to more expensive models like the LG 27UD68P-B.

8.8 Gray Uniformity
What it is: Evenness of colors onscreen (not just gray).
When it matters: Solid colors. Sports, panning shots.
Score components:
HP 27Q 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%
:
2.474 %
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%
:
0.106 %
HP 27Q 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%
:
0.376 %
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%
:
0.052 %

Excellent gray uniformity, somewhat better than the similar LG 27UD58-B. There is very little dirty screen effect but the left and right edges of the screen look darker and this is due to the mediocre horizontal viewing angles. However, this shouldn't be a problem for most people.

4.0 Black Uniformity
What it is: Evenness of blacks.
When it matters: Dark scenes viewed in a dark room.
Score components:
HP 27Q 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.
:
3.360 %
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

Bad black uniformity. In the test image above, you can notice that some clouding is present in most areas of the screen and that backlight bleed is evident in the lower edge. However, just like the LG 27UD58-B, this will not look as bad in normal use in a brighter room.

8.2 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:
HP 27Q Pre Calibration Picture HP 27Q Pre Gamma Curve Picture HP 27Q 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.
:
Photo
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.
:
332 cd/m²
Luminance Settings
What it is: The luminance settings, often named 'Brightness' on monitors, usually range from 0 to 100.
:
90
Contrast Setting
What it is: The monitor contrast setting, usually ranging from 0 to 100.
:
80
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.
:
255-255-255
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
:
6252 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
:
2.09
Color dE
What it is: Average inaccuracy of colors.
When it matters: All colors.
Good value: < 3
Noticeable difference: 1
:
2.53
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
:
2.29

The out of the box accuracy of the HP 27Q is great. The 'Photo' picture mode is the most accurate of the picture modes available.

Overall, the white balance and color dE are both under 3, and most people will not notice any inaccuracies. The color temperature is slightly warm and there is a reddish tint in the image. As for the gamma, the monitor is a little darker than our target curve in all signal values.

9.4 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:
HP 27Q Post Calibration Picture HP 27Q Post Gamma Curve Picture HP 27Q 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
Luminance
What it is: The luminance at which the calibration was executed. We aim for a luminance level of 100 cd/m².
:
100 cd/m²
Luminance Settings
What it is: The luminance settings, often named 'Brightness' on monitors, usually range from 0 to 100.
:
26
Contrast Setting
What it is: The monitor contrast setting, usually ranging from 0 to 100.
:
79
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.
:
240-243-255
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
:
6423 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
:
1.05
Color dE
What it is: Average inaccuracy of colors.
When it matters: All colors.
Good value: < 3
Noticeable difference: 1
:
0.58
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
:
2.17

Excellent color accuracy for the HP 27Q after calibration, which fixed the minor issues. Both the white balance dE and color dE were brought down and most people won't notice any irregularities. The gamma now follows the target curve very closely except in the high signal values where the monitor is slightly brighter. Finally, the color temperature is now close to our 6500 K target..

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.

8.9 SDR Color Gamut
What it is: The palette of colors the monitor can display
When it matters: General content consumption or production
Score components:
HP 27Q 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%
:
99.7 %
HP 27Q 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%
:
77.9 %

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

The HP 27Q has an excellent SDR color gamut, very similar to much more expensive ASUS ROG PG348Q. Coverage of the s.RGB color space is nearly perfect and this is great for daily usage. However, professionals in the publishing industry will find the Adobe RGB coverage limited. For excellent Adobe RGB coverage, check out the Acer Predator X27.

9.1 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:
HP 27Q 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
:
97.5 %
HP 27Q 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
:
83.9 %

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

Excellent color volume as it can display a great number of colors in various levels of luminance. It does not perform well in the dark shades due to the not so great contrast ratio. Again, the Adobe RGB color volume is not sufficient for professionals.

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.

0.6 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.
HP 27Q 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%
:
1.75 %
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%
:
1.13 %
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%
:
0.58 %
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%
:
0.38 %
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%
:
0.18 %
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%
:
0.14 %

The HP 27Q shows intense signs of image retention, even after 10 minutes of cooldown. This is the worst performance we had up until now, worse than Acer G257HU. However, this is hard to notice in normal usage.

7.9 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
HP 27Q 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 HP 27Q displays our gradient test image very well. There is the normal 8-bit banding visible in the darker shades but other than that the result is good. However, it is not among the best in this price range.

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:
HP 27Q 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 %
HP 27Q 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%
:
0.000 %

Excellent performance in color bleed. When displaying large areas of a single color, no issues can be seen and the image remains uniform.

8.0 Reflections
What it is: How much light is reflected by the TV.
When it matters: Bright rooms.
Score components: Subjectively assigned
HP 27Q Average room HP 27Q Average room off picture HP 27Q Bright room off picture

The HP 27Q handles reflections very well. The light-matte finish diffuses light sources across the screen and that reduces their intensity.

7.8

Motion

Score components:

The motion handling of the HP 27Q is good.  It has a fast response time that only leaves a small blur trail. It is a flicker-free monitor that lowers the backlight without PWM dimming. It does not support a black frame insertion feature to make the image crisper, but it does support FreeSync to prevent tearing and keep a low input lag.

8.3 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:
HP 27Q Motion Blur Picture HP 27Q 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
:
5.8 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
:
14.9 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.
:
Level 2

Response Time Level 1
Response Time Level 2
Response Time Level 3
Response Time Level 4

This monitor's response time is great. There are 5 levels of Response Time, but we recommend using 'Level 2 (fast)' since it is the one that has the best balance between overshoot and fast response time. If you find the overshoot of 'Level 2' bothersome and you see many duplications, you can switch to 'Level 1' which is slower but there are less overshoot artifacts.

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
HP 27Q 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 HP 27Q is a flicker-free monitor and this is good as the motion looks smooth. Unfortunately, it does not give you the option to introduce flicker so as to clear blur and make the image crisper.

7.7 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
:
60 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
:
75 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
:
48 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 HP 27Q is a 60Hz monitor that under certain circumstances can display 75 Hz.

The monitor only displays 75 Hz properly when it is used with a FreeSync compatible graphics source (such as an AMD graphics card), and the monitor is set to the 'Gaming - FreeSync' Viewing Mode as shown here. In this configuration, 75 Hz is displayed properly, even if FreeSync is disabled on the PC. However, when the monitor is used with a non-FreeSync source and sent 75 Hz, the monitor displays 60 Hz and skips the extra frames, which is a worse experience than just sending 60 Hz.

8.0

Inputs

Score components:

The HP 27Q has a low input lag when in 'Gaming-FreeSync' viewing mode. It also has a high QHD resolution, and a large 27" screen, which are great for most usages.

7.8 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
:
27.6 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
:
36.0 ms
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
:
27.6 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
:
7.9 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 HP 27Q has an okay input lag in the native resolution @ 60Hz. However, it can achieve a much lower input lag when set to 'Gaming-FreeSync' viewing mode, be sure to set properly here.

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 : 27.0 inches
Screen Area : 311 sq inches

The HP 27Q has a high QHD resolution and a large 27" diagonal. This allows you to see much detail on the relatively large screen area. If you are looking for even higher resolution at this screen size, check out the LG 27UD58-B.

Inputs
Total Inputs
DisplayPort : 1 (DP 1.2)
Mini DisplayPort : No
HDMI : 2 (HDMI 1.4)
DVI : No
VGA : No
DisplayPort Out : No
USB : No
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 (the monitor doesn't have volume control)

Features

This is a very plain monitor that does not have speakers or HDR support. The only additional feature is a sleep timer. 

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.
:
No
HDR10 : No

The only additional feature that this monitor has is the presence of a Sleep Timer that allows you to set the 'Sleep' and 'On' time of the monitor.

On-Screen Display (OSD)
Controls
In The Box
HP 27Q In The Box picture

  • Not Shown: Power cord
  • VESA Mount adapter
  • Manual
  • DisplayPort cable
  • HDMI cable

Our monitor came without a VGA cable. We have seen on the internet that it sometimes includes a VGA cable in the box

Differences between Sizes and Variants

We tested the HP Pavilion 27Q Display. We are unaware of other sizes in the specific display series. 

If someone comes across a different type of panel or if their HP 27Q 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 Refresh rate Resolution
HP PAVILION 27Q DISPLAY 27" 60 Hz QHD(2560x1440)

The model we've tested was manufactured in January 2018.

Compared to other Monitors

HP 27Q Group Shot Picture
Left: Asus PB277Q-B. Middle: HP 27Q. Right: Acer G257HU .
Unlike our other photographs, this picture wasn't taken under a controlled environment, so do not draw conclusions from it.

The HP 27Q is a decent monitor for a wide range of usages. See our recommendations for the best monitors under $200 and the best gaming monitors for PC.

Dell U2717D

The Dell U2717D is marginally better than the HP 27Q. The Dell U2717D has much better ergonomics that allow you to place the monitor as you prefer without any trouble. On the other hand, the HP 27Q has lower input lag which makes it a better choice for gamers and faster pixel refresh rate that allows makes fast motion look smooth and only leave a small blur trail.

Dell U2715H

The Dell U2715H is much better than the HP 27Q. The Dell U2715H has better ergonomics and can be positioned to your preferences with ease. It has a lower input lag that allows it to react faster to your inputs making a better choice for gamers. On the other hand, the HP 27Q has a faster pixel refresh rate, so when you watch fast-moving content, it looks smooth with a smaller blur trail.

LG 27UD58-B

The LG 27UD58-B is somewhat better than the HP 27Q. The LG 27UD58-B has a better input lag and is more responsive to your actions. It also has better resolution allowing you to display more in the same screen size. On the other hand, the HP 27Q is brighter and can handle reflections better, so it is more suitable for a slightly brighter room with many light sources.

HP 27F

The HP 27f is slightly better than the HP 27Q. The 27f has a slightly faster refresh rate, and much lower input lag, great for gaming. The HP 27q has a better 2560x1440 resolution, which allows you to see more fine details in games, and makes it easier to multitask.

Acer G257HU

The HP 27Q is somewhat better than the Acer G257HU. The HP 27Q has a better refresh rate that leaves a smaller blur trail in fast-moving content and has more screen area as it is a 27" monitor. The Acer G257HU, on the other hand, has a better input lag which makes it more responsive to your inputs and can be great for many usages.

+ Show more

Conclusion
SEE PRICE
Amazon.com

7.0Mixed Usage
Score components:
This is a decent monitor for mixed usage. It is more suitable for brighter rooms as it can get bright and can handle reflections well. In darker rooms, blacks will look grayish. It has a low input lag and supports FreeSync to please casual gamers. Its resolution and size are good for almost any usage.
The HP 27Q is a decent monitor for office use. Its size and resolution will allow you to see more detail on the screen and will make multitasking easy. The viewing angles will allow you to work with ease with a colleague sitting next to you. Unfortunately, it is not easy to position the monitor to your preferences, due to the poor ergonomics.
This HP 27Q is a decent monitor for gaming. The input lag is low when you set the monitor to the proper gaming mode and the monitor feels responsive. The resolution and size are great and you can see the smallest scenery detail of your favorite game. Finally, the monitor also supports FreeSync to maintain a low input lag in graphically demanding games.
Decent performance in multimedia. The high resolution of this monitor and its good color gamut will help display most multimedia content well. Unfortunately, it will give you a hard time to position it according to your preferences and the black uniformity and low contrast ratio do not make it a good choice for a dim room.
This is a decent monitor for media creation. Its QHD resolution will allow you to put more work on the screen. The input lag can be low when set properly and the picture quality is decent. Unfortunately, the bad ergonomics will give you a hard time to position comfortably to work and the low contrast ratio does not make it a good choice for less bright rooms.
The HP 27Q does not support HDR. If you are looking for a monitor that supports HDR, check the Samsung CHG70.

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