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ASUS ROG Strix XG27AQ Monitor Review

Tested using Methodology v1.1
Reviewed Mar 18, 2021 at 09:05 am
ASUS ROG Strix XG27AQ Picture
8.2
Mixed Usage
8.1
Office
8.6
Gaming
8.0
Multimedia
8.1
Media Creation
7.3
HDR Gaming
Size 27"
Resolution 2560x1440
Max Refresh Rate
170 Hz
Pixel Type
IPS
Variable Refresh Rate
Adaptive Sync

The ASUS ROG Strix XG27AQ is an excellent gaming monitor from ASUS's Republic of Gamers lineup. It's a refreshed version of the ASUS ROG Strix XG279Q, so the panel is largely the same but with a few minor differences. It's a 27 inch IPS monitor with a 1440p resolution, and its refresh rate can be overclocked to 170Hz. It has an incredibly fast response time, and its low input lag makes gaming feel responsive. It also supports Adaptive Sync variable refresh rate (VRR) to reduce screen tearing. While it has HDR10 support and a wide color gamut, it doesn't get bright enough to make highlights really pop in HDR content. It's best suited to moderately-lit rooms since it has good reflection handling, even though it doesn't get as bright as advertised. It's less suited to dark rooms because of its mediocre contrast. On the upside, it has wide viewing angles, which are great for sharing content or co-op gaming.

Our Verdict

8.2 Mixed Usage

The ASUS ROG Strix XG27AQ is a great all-around monitor. Its high refresh rate, fast response time, low input lag, and VRR support make it an excellent choice for gaming. Its size and resolution are also well-suited to productivity and content creation. It doesn't perform as well in dark rooms, though, because of its low contrast ratio. HDR content also looks a bit disappointing, since the monitor can't get bright enough to make highlights pop.

Pros
  • Low input lag.
  • Large screen with high resolution.
  • Wide viewing angles.
Cons
  • Mediocre contrast ratio.
  • May struggle with glare in really bright rooms.
8.1 Office

The ASUS XG27AQ is a great office monitor. While it's intended for gaming, its size and resolution are great for multitasking and opening multiple windows side-by-side. It has good text clarity, and its wide viewing angles are ideal for sharing content. While it doesn't get very bright, it has good reflection handling to fight glare. It also has good ergonomics, so you can adjust it to your ideal viewing position.

Pros
  • Large screen with high resolution.
  • Wide viewing angles.
  • Good text clarity.
Cons
  • Mediocre contrast ratio.
  • May struggle with glare in really bright rooms.
8.6 Gaming

The ASUS ROG Strix XG27AQ is an excellent gaming monitor with a ton of gaming features. It has an overclocked max refresh rate of 170Hz and a fast response time that results in smooth motion. It has a low input lag, and it supports VRR to reduce screen tearing. It also comes with extra features that gamers should appreciate, including on-screen gaming overlays and a Shadow Boost feature that improves visibility in dark scenes.

Pros
  • Incredibly fast response time.
  • Low input lag.
  • 170Hz refresh rate.
Cons
  • Mediocre contrast ratio.
8.0 Multimedia

The ASUS XG27AQ is great for multimedia. The 27 inch size and 1440p resolution result in crisp images, and it has wide viewing angles that are well-suited to watching content with a friend. Unfortunately, the contrast ratio is mediocre, so blacks look more like gray in the dark. On the upside, it has good reflection handling so it diffuses light well in bright rooms.

Pros
  • Large screen with high resolution.
  • Exceptional color gamut.
  • Wide viewing angles.
Cons
  • Mediocre contrast ratio.
  • Black uniformity is only okay.
8.1 Media Creation

The ASUS XG27AQ is great for media creation. The 1440p resolution delivers crisp images, and its 27 inch size offers plenty of space to have windows open side-by-side. The wide horizontal viewing angles mean you don't lose image accuracy from the side. It also has an exceptionally wide SDR color gamut, including great coverage of the Adobe RGB color space used in photo editing. That said, its contrast ratio is mediocre, so blacks look more like gray in the dark.

Pros
  • Large screen with high resolution.
  • Exceptional color gamut.
  • Wide viewing angles.
Cons
  • Mediocre contrast ratio.
  • Black uniformity is only okay.
7.3 HDR Gaming

The ASUS ROG Strix XG27AQ is decent for HDR gaming. It delivers when it comes to strictly gaming performance thanks to its high refresh rate, fast response time, and low input lag. However, it can't produce a satisfying HDR experience because of its mediocre contrast ratio and low peak brightness in HDR that prevents highlights from truly popping. Its HDR color gamut is also somewhat limited.

Pros
  • Incredibly fast response time.
  • Low input lag.
  • 170Hz refresh rate.
Cons
  • Mediocre contrast ratio.
  • Not bright enough to make HDR highlights pop.
  • Black uniformity is only okay.
  • 8.2 Mixed Usage
  • 8.1 Office
  • 8.6 Gaming
  • 8.0 Multimedia
  • 8.1 Media Creation
  • 7.3 HDR Gaming

Test Results

perceptual testing image
Design
Design
Style
Curved No
Curve Radius Not Curved
Weight (without stand)
11.7 lbs (5.3 kg)
Weight (with stand)
19.6 lbs (8.9 kg)

The ASUS XG27AQ is gamer-oriented with an RGB lighting zone on the back where the ROG logo is. It has a flat screen and a sleek but simple design. Overall, it feels well-built and has some heft to it. Aside from the stand, it looks very similar to the ASUS ROG Strix XG279Q.

Design
Stand
Width
24.4" (62.1 cm)
Depth
10.4" (26.3 cm)

The stand's feet are made of metal and feel very solid, so the monitor feels well-supported. It has a fairly wide footprint but still leaves some desk space in front. It differs from the ASUS ROG Strix XG279Q, which has a unique tripod stand.

7.6
Design
Ergonomics
Height Adjustment
4.7" (12.0 cm)
Switch Portrait/Landscape Yes, Clockwise
Swivel Range -25° to 25°
Tilt Range -20° to 5°

The ASUS XG27AQ has good ergonomics. You can adjust the height and rotate the screen clockwise into portrait mode. The swivel range isn't the widest, but it has a broad tilt range, so you shouldn't have trouble finding a suitable viewing position.

Design
Back
Wall Mount VESA 100x100

The back is solid plastic with an etched pattern covering half of the back panel. The ROG logo lights up, and there's a cutout in the stand for cable management.

Design
Borders
Borders
0.3" (0.8 cm)

The borders are thin and shouldn't be distracting in a dual-monitor setup.

Design
Thickness
Thickness (with stand)
10.9" (27.7 cm)
Thickness (without stand)
3.4" (8.6 cm)

With the stand, the monitor is fairly thick, requiring a fair amount of desk space.

8.0
Design
Build Quality

The ASUS XG27AQ feels well-built. Its heavier weight gives it a sturdy feel, and there's almost no flex at all. It feels great overall, and there aren't any obvious gaps or issues in build quality.

Picture Quality
6.2
Picture Quality
Contrast
Native Contrast
1,121 : 1
Contrast With Local Dimming
1,117 : 1

The contrast ratio on the ASUS XG27AQ is not bad. It's a touch higher than the advertised 1000:1 ratio, but since it uses an IPS panel, it's still not that high, so blacks appear more grayish in the dark. It's important to remember that contrast can vary between units. The backlight is edge-lit, so the local dimming doesn't have much effect on our checkerboard test pattern because it senses the brighter areas of the checkerboard and turns all the dimming zones on.

1.0
Picture Quality
Local Dimming
Local Dimming
Yes
Backlight
Edge

Like most monitors with local dimming, the local dimming feature on the ASUS XG27AQ is bad, producing a lot of blooming and uniformity issues. The zones are large and edge-lit, so the transitions between them are very slow and obvious. Because the zones are so large, they don't light up on small bright objects, as seen with the small squares in our test video. As you can see, some of the zones in the middle don't light up if an object is moving too fast. There isn't much black crush because it simply raises the black level overall, but the zones themselves light up and make the image look worse. The local dimming feature is enabled by turning on Dynamic Dimming.

7.2
Picture Quality
SDR Peak Brightness
SDR Real Scene
269 cd/m²
SDR Peak 2% Window
223 cd/m²
SDR Peak 10% Window
274 cd/m²
SDR Peak 25% Window
280 cd/m²
SDR Peak 50% Window
295 cd/m²
SDR Peak 100% Window
297 cd/m²
SDR Sustained 2% Window
221 cd/m²
SDR Sustained 10% Window
274 cd/m²
SDR Sustained 25% Window
280 cd/m²
SDR Sustained 50% Window
295 cd/m²
SDR Sustained 100% Window
297 cd/m²
SDR ABL
0.018

The ASUS XG27AQ has decent SDR peak brightness, although it's significantly lower than the advertised 400 nits. It's possible to achieve brightness closer to the advertised peak brightness by setting Brightness to max, adjusting the Color Temperature to '100-100-100' and changing the Gamma to '1.8'. Otherwise, it doesn't get anywhere near 400 nits in SDR.

We measured the peak brightness after calibration in the 'Racing' Picture Mode with Brightness set to max and Dynamic Dimming turned on.

6.5
Picture Quality
HDR Peak Brightness
HDR Real Scene
349 cd/m²
HDR Peak 2% Window
309 cd/m²
HDR Peak 10% Window
378 cd/m²
HDR Peak 25% Window
387 cd/m²
HDR Peak 50% Window
406 cd/m²
HDR Peak 100% Window
408 cd/m²
HDR Sustained 2% Window
305 cd/m²
HDR Sustained 10% Window
376 cd/m²
HDR Sustained 25% Window
384 cd/m²
HDR Sustained 50% Window
404 cd/m²
HDR Sustained 100% Window
407 cd/m²
HDR ABL
0.017

The ASUS XG27AQ gets reasonably bright in HDR. It's bright enough to meet the advertised DisplayHDR 400 specification, although it's not the most consistent across different content.

We measured the HDR peak brightness using the 'ASUS Gaming HDR' Picture Mode, in which Dynamic Dimming is automatically enabled.

8.8
Picture Quality
Horizontal Viewing Angle
Color Washout From Left
46°
Color Washout From Right
50°
Color Shift From Left
67°
Color Shift From Right
57°
Brightness Loss From Left
50°
Brightness Loss From Right
51°
Black Level Raise From Left
70°
Black Level Raise From Right
70°
Gamma Shift From Left
63°
Gamma Shift From Right
63°

The ASUS XG27AQ has excellent horizontal viewing angles, among the widest viewing angles we've tested on a monitor. The image remains accurate even when viewed at an angle.

6.8
Picture Quality
Vertical Viewing Angle
Color Washout From Below
31°
Color Washout From Above
35°
Color Shift From Below
47°
Color Shift From Above
38°
Brightness Loss From Below
38°
Brightness Loss From Above
40°
Black Level Raise From Below
48°
Black Level Raise From Above
44°
Gamma Shift From Below
34°
Gamma Shift From Above
34°

The vertical viewing angles are okay, but there's some color shift and overall loss of accuracy when viewing from above or below.

8.9
Picture Quality
Gray Uniformity
50% Std. Dev.
2.082%
50% DSE
0.105%
5% Std. Dev.
0.237%
5% DSE
0.034%

The ASUS XG27AQ has amazing gray uniformity, though this can vary between individual units. The corners and edges appear slightly darker, but overall it's very uniform, and there's very little dirty screen effect. Uniformity is even better in darker scenes.

6.5
Picture Quality
Black Uniformity
Native Std. Dev.
1.107%
Std. Dev. w/ L.D.
4.699%

Black uniformity on the ASUS XG27AQ is okay. There's a bit of backlight bleed near the edges and clouding in the center, as well as some blooming around bright objects, but overall it's not bad. With local dimming enabled, the sides of the screen are darker, but the lighting zones make it look less even.

8.2
Picture Quality
Pre Calibration
Picture Mode
Racing Mode
Luminance
228 cd/m²
Luminance Settings
50
Contrast Setting
80
RGB Controls
Warm
Gamma Setting
2.2
Color Temperature
6,702 K
White Balance dE
3.19
Color dE
1.14
Gamma
2.23

The ASUS XG27AQ has great out-of-the-box color accuracy, although this may vary between units. The white balance is decent and most colors are only slightly off. Gamma follows the curve fairly well in brighter scenes, although darker scenes are darker than they should be. The color temperature is a bit cooler than our target, so images have a blue-ish tint. There's an 'sRGB' Picture Mode, but we used the 'Racing Mode' instead, as it was more accurate.

9.6
Picture Quality
Post Calibration
Picture Mode
Racing Mode
Luminance
102 cd/m²
Luminance Settings
18
Contrast Setting
75
RGB Controls
100-92-90
Gamma Setting
2.2
Color Temperature
6,502 K
White Balance dE
0.42
Color dE
0.62
Gamma
2.19

After calibration, the accuracy is fantastic. You shouldn't be able to notice any remaining inaccuracies without a colorimeter. Gamma is much closer to the target, although really dark and really bright scenes may still be a little too bright. The color temperature is nearly perfect.

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

9.2
Picture Quality
SDR Color Gamut
sRGB xy
99.1%
Adobe RGB xy
84.6%
sRGB Picture Mode
Racing
Adobe RGB Picture Mode
Racing

The ASUS XG27AQ has an incredible SDR color gamut, with nearly full coverage of the commonly used sRGB color space and great coverage of the Adobe RGB color space used in photo editing.

9.5
Picture Quality
SDR Color Volume
sRGB In ICtCp
99.1%
Adobe RGB In ICtCp
90.7%
sRGB Picture Mode
Racing
Adobe RGB Picture Mode
Racing

The ASUS ROG XG27AQ has incredible color volume. It can display a wide range of colors at various luminance levels, although it can struggle a bit with very dark, saturated colors due to its mediocre contrast ratio. It fills out more colors at lower luminance levels than the ASUS ROG Strix XG279Q, likely because of its less aggressive local dimming.

7.0
Picture Quality
HDR Color Gamut
Wide Color Gamut
Yes
DCI P3 xy
71.2%
Rec. 2020 xy
69.8%
DCI P3 Picture Mode
Asus Gaming HDR
Rec. 2020 Picture Mode
Asus Gaming HDR

The ASUS XG27AQ has a decent HDR color gamut. It's considered wide for HDR content, but it only has decent coverage of both the DCI P3 color space and the wider Rec. 2020 color space. If you want a monitor with a wider HDR color gamut, check out the Acer Predator XB273U GXbmiipruzx.

We measure DCI P3 by sending a Rec. 2020 signal, but unlike most reviewers, we limit the colors to the DCI P3 primaries. This results in a lower, but arguably more accurate measurement.

7.2
Picture Quality
HDR Color Volume
DCI-P3 In ICtCp
75.7%
Rec. 2020 In ICtCp
68.5%
DCI P3 Picture Mode
Asus Gaming HDR
Rec. 2020 Picture Mode
Asus Gaming HDR

HDR color volume is decent. As with SDR, it has some trouble displaying dark, saturated colors.

9.9
Picture Quality
Image Retention
IR After 0 Min Recovery
0.02%
IR After 2 Min Recovery
0.00%
IR After 4 Min Recovery
0.00%
IR After 6 Min Recovery
0.00%
IR After 8 Min Recovery
0.00%
IR After 10 Min Recovery
0.00%

There are no signs of temporary image retention on this monitor, but this can vary between units. The small amount detected immediately after displaying a high-contrast image disappears quickly.

9.2
Picture Quality
Gradient
Color Depth
10 Bit

Gradient handling is superb and banding is hardly noticeable.

8.7
Picture Quality
Color Bleed
Pixel Row Error
0.000%
Pixel Column Error
0.253%

While there's some color bleed in vertical columns, it shouldn't be noticeable in most content, and there are no signs of horizontal color bleed.

7.5
Picture Quality
Reflections
Screen Finish
Matte
Total Reflections
5.2%
Indirect Reflections
2.9%
Calculated Direct Reflections
2.3%

The ASUS XG27AQ has good reflection handling. It diffuses direct light well and is decent at diffusing indirect light, but it's best suited to moderately lit environments.

7.5
Picture Quality
Text Clarity
Sub-Pixel Layout
RGB

The ASUS XG27AQ has good text clarity. With ClearType enabled (top photo), the appearance of diagonal and curved lines is improved, as seen in the R, N, G, and S.

Motion
9.4
Motion
Response Time @ Max Refresh Rate
Best Overdrive Setting
Level 2
Rise / Fall Time
3.3 ms
Total Response Time
7.6 ms
Overshoot Error
4.2%
Dark Rise / Fall Time
4.1 ms
Dark Total Response Time
7.8 ms
Dark Overshoot Error
0.7%

Overdrive SettingResponse Time ChartResponse Time TablesMotion Blur Photo
Level 0ChartTablePhoto
Level 1ChartTablePhoto
Level 2ChartTablePhoto
Level 3ChartTablePhoto
Level 4ChartTablePhoto
Level 5ChartTablePhoto

The ASUS ROG XG27AQ has a remarkably fast response time at its max refresh rate. The best overdrive setting is 'Level 2' because it's faster than levels 0 and 1, but there isn't as much overshoot as levels 3, 4, and 5. If overshoot bothers you, 'Level 0' has none but has a slower response time.

9.3
Motion
Response Time @ 60Hz
Best Overdrive Setting
Level 0
Rise / Fall Time
4.4 ms
Total Response Time
8.7 ms
Overshoot Error
0%
Dark Rise / Fall Time
4.8 ms
Dark Total Response Time
8.3 ms
Dark Overshoot Error
0.0%

Overdrive SettingResponse Time ChartResponse Time TablesMotion Blur Photo
Level 0ChartTablePhoto
Level 1ChartTablePhoto
Level 2ChartTablePhoto
Level 3ChartTablePhoto
Level 4ChartTablePhoto
Level 5ChartTablePhoto

At 60Hz, the ASUS XG27AQ still has a remarkable response time, although it's marginally slower than at its max refresh rate. Surprisingly, the response time gets incrementally better between overdrive settings 2 and 4 but gets dramatically worse when it's set to 'Level 5'. The recommended overdrive setting at 60Hz, however, is 'Level 0' because it results in the fastest response time and has no overshoot.

10
Motion
Image Flicker
Flicker-Free Yes
PWM Dimming Frequency
0 Hz

The ASUS XG27AQ has a flicker-free backlight, which helps to reduce eye strain.

6.1
Motion
Black Frame Insertion (BFI)
Black Frame Insertion (BFI)
Yes
BFI Maximum Frequency
170 Hz
BFI Minimum Frequency
120 Hz

The ASUS XG27AQ has an optional Black Frame Insertion (BFI) feature, also known as backlight strobing. On this monitor, the feature is called 'ELMB Sync', and it reduces motion blur by flickering the backlight between frames. It works with VRR enabled without affecting the input lag, but you can't adjust the overdrive settings while it's on. To read more about BFI and how we test it, see here.

9.2
Motion
Refresh Rate
Native
144 Hz
Max Refresh Rate
170 Hz
Variable Refresh Rate
Yes
FreeSync
Compatible (Tested)
G-SYNC
Compatible (NVIDIA Certified)
VRR Maximum
170 Hz
VRR Minimum
< 20 Hz
VRR Supported Connectors DisplayPort, HDMI

The monitor has a native 144Hz refresh rate that can be overclocked from 155Hz up to 170Hz. It has Adaptive Sync VRR, so it's compatible with FreeSync and is certified G-SYNC compatible. The max refresh rate you can achieve over HDMI is 144Hz, and G-SYNC only works over a DisplayPort connection.

Inputs
9.4
Inputs
Input Lag
Native Resolution
3.2 ms
Native Resolution @ 60Hz
31.6 ms
Variable Refresh Rate
3.9 ms
Variable Refresh Rate @ 60Hz
32.7 ms
10 Bit HDR
N/A
Black Frame Insertion (BFI)
3.3 ms

The ASUS XG27AQ has an incredibly low input lag. It's higher at 60Hz and 60Hz with VRR enabled, which is similar to the ASUS ROG Strix XG279Q. Enabling BFI doesn't add input lag. The BFI input lag was measured at 170Hz. We couldn't measure the 10-bit HDR input lag because it's limited to 120Hz over HDMI, and while you can get 144Hz over a DisplayPort connection, we don't have the tools to measure HDR input lag over DP.

8.3
Inputs
Resolution And Size
Native Resolution 2560 x 1440
Aspect Ratio 16:9
Megapixels 3.7 MP
Pixel Density
109 PPI
Screen Diagonal 27.0"
Screen Area 310 in²

The ASUS XG27AQ is a 27 inch monitor with a great 1440p resolution, resulting in a high pixel density. That means you can open multiple windows side-by-side, and the image looks sharp and clear.

Inputs
Inputs
Inputs
Total Inputs
DisplayPort 1 (DP 1.2)
Mini DisplayPort No
HDMI 2 (HDMI 2.0)
DVI No
VGA No
DisplayPort Out No
USB 1 (USB 2.0), 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
Power Supply External Brick
Features
Features
Additional Features
RGB Illumination
Controllable
Speakers
Yes
HDR10 Yes
Multiple Input Display
No

The ASUS ROG Strix XG27AQ has many extra features, including adjustable RGB lighting and built-in speakers. It also includes:

  • Shadow Boost: Makes objects in dark areas more visible.
  • GameVisual: Seven pre-set picture modes.
  • GamePlus: Includes virtual crosshairs, sniper, FPS counter, and display alignment.
  • Ultra-Low Blue Light (5 levels): Removes blue light to help reduce eye strain.

Features
On-Screen Display (OSD)
Features
Controls

The controls are on the back of the monitor and include a joystick and four buttons to navigate the on-screen display.

Features
In The Box

  • Power cable
  • DisplayPort cable
  • HDMI cable
  • USB-B to USB-A upstream cable
  • User manual
  • Calibration report

Differences Between Sizes And Variants

We tested the 27 inch ASUS ROG Strix XG27AQ, which is the only size available. It's a refresh of the ASUS ROG Strix XG279Q and has very similar features and performance overall. The XG27AQ has a different stand and uses a local dimming feature with more dimming zones. It's part of the ROG Strix lineup, which also includes the ASUS ROG Strix XG27UQ, among others.

If you come across a different type of panel or your XG27AQ doesn't correspond to our review, let us know in the discussions and we'll update the review. Note that some tests, like gray uniformity, may vary between individual units.

Our unit was manufactured in December 2020. You can see the label here.

Compared To Other Monitors

The ASUS ROG Strix is an excellent gaming monitor with a high 170Hz refresh rate and 1440p resolution. It's NVIDIA-certified as G-SYNC compatible and supports FreeSync. It has an exceptionally fast response time at 60Hz, faster than most other monitors we've tested, and it remains exceptionally fast at its max refresh rate. It also has some of the widest viewing angles on any gaming monitor we've tested. For other options, see our recommendations for the best gaming monitors, the best 1440p 144Hz monitors, and the best 27 inch monitors.

Gigabyte M27Q

The ASUS ROG Strix XG27AQ and the Gigabyte M27Q are both excellent gaming monitors. They have a lot of similar features, including a 170Hz refresh rate, fast response times, and both support VRR to reduce screen tearing. At their max refresh rate, they both have an incredibly low input lag, but the ASUS has significantly more lag at 60Hz than the Gigabyte. If you're going to be using the monitor for content creation as well, the Gigabyte also offers greater coverage of the Adobe RGB color space, and it includes a USB-C port, allowing for more connectivity options.

ASUS TUF Gaming VG27AQL1A

The ASUS ROG Strix XG27AQ and the ASUS TUF Gaming VG27AQL1A are both great monitors, but the XG27AQ is a bit better in terms of gaming performance. It has faster response times than the VG27AQL1A at both 60Hz and the max refresh rate, so fast-moving action will look significantly smoother. While the XG27AQ doesn't get as bright, it should still be fine in moderate lighting conditions, plus it has good reflection handling. It also has much better out-of-the-box color accuracy than the VG27AQL1A, so you may not have to calibrate it to get the best possible image. The biggest downside is that its HDR performance isn't as good as the VG27AQL1A if gaming in HDR is important to you.

ASUS ROG Strix XG279Q

The ASUS ROG Strix XG279Q and the ASUS ROG Strix XG27AQ are very similar monitors with similar specs. The biggest difference is that the XG27AQ has a simplified stand, and its local dimming is a little less aggressive. The XG27AQ shows less backlight bleed, resulting in better black uniformity, but this is something that can vary. The XG27AW also has slightly wider viewing angles. The XG279Q, on the other hand, gets brighter overall in SDR and HDR, so it can fight glare a little more easily and can bring out more highlights in HDR content. Otherwise, they perform very similarly and both are among the better gaming monitors we've tested, so you can't really go wrong with either.

MSI Optix MAG274QRF-QD

The ASUS ROG Strix XG27AQ performs very similarly to the MSI Optix MAG274QRF-QD. As far as gaming goes, you can't really go wrong with either one. The MSI has a slightly faster response time at the max refresh rate while the ASUS has a slightly faster response time at 60Hz and a marginally higher refresh rate, but really, these are minor differences. While the MSI has a wider color gamut thanks to its use of Quantum Dot technology, in practice, colors can look oversaturated. The ASUS has a couple of other things that may make it preferable to some. It has wider viewing angles, so the image stays accurate from the sides, and it has much better out-of-the-box color accuracy, so you may not need to calibrate it to get the most out of your monitor. All in all, though, these are both excellent gaming monitors.

ASUS TUF VG27AQ

The ASUS ROG Strix XG27AQ and the ASUS TUF VG27AQ perform similarly overall, although they occupy different positions in ASUS's gaming lineup. The ROG series is meant to be more premium while the TUF series is more budget-friendly. That said, there are a few key differences between these two monitors that give the XG27AQ a slight edge, especially for gaming. The XG27AQ has a significantly faster response time than the VG27AQ at max refresh rate and especially at 60Hz. The XG27AQ also has a much wider color gamut in both SDR and HDR, and it has wider viewing angles, although the VG27AQ has better ergonomics and gets a little brighter to combat glare, so it may be better suited to an office environment.

Acer Nitro XV272U KVbmiiprzx

The Acer Nitro XV272U KVbmiiprzx and the ASUS ROG Strix XG27AQ are nearly identical in gaming performance. They both have a 170Hz refresh rate, exceptional response times, and low input lag. The Acer has a wider color gamut for HDR and better ergonomics, but it doesn't get as bright as the ASUS in SDR. This means that if you often game in a well-lit environment where glare might be an issue, it's better to go with the ASUS. That said, the Acer does get brighter in HDR.

Acer Predator XB273U GXbmiipruzx

The Acer Predator XB273U GXbmiipruzx and the ASUS ROG Strix XG27AQ perform quite similarly. They both have superb response times, although the Acer has a higher refresh rate of 270Hz, versus 170Hz on the ASUS. The Acer gets significantly brighter in SDR and brighter in HDR too, and it has a wider color gamut.

ASUS ROG Swift PG279Q

The ASUS ROG Swift PG279Q and the ASUS ROG Strix XG27AQ are both excellent gaming monitors from ASUS's Republic of Gamers brand. One of the biggest differences is that the PG279Q has native G-SYNC support while the XG27AQ is simply G-SYNC compatible. That said, the XG27AQ has faster response times at max refresh and especially at 60Hz, resulting in exceptionally clear motion. While the PG279Q has a marginally higher contrast ratio, the XG27AQ experiences less backlight bleed resulting in more uniform blacks, which is good if you prefer to game in the dark. That said, black uniformity can vary between individual units. The XG27AQ also supports HDR while the PG279Q doesn't, although its HDR experience is a bit lackluster because it doesn't get very bright for HDR content.

LG 27GN950-B

The LG 27GN950-B and the ASUS ROG Strix XG27AQ are both impressive gaming monitors with different resolutions. The ASUS is a 1440p monitor, while the LG is a 4k monitor that delivers a sharper image. The LG also has a slightly faster response time, delivering exceptionally smooth motion, although its refresh rate maxes out at 160Hz whereas the ASUS can reach 170Hz. Both have VRR support and low input lag. While the LG has a slight edge when it comes to performance, the ASUS feels better built and has better ergonomics and reflection handling, if these are important to you. 

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