Acer Nitro XV275U P3biipx vs AOC Q27G40XMN

Which Monitor Is Better?

Products

Acer Nitro XV275U P3biipx
AOC Q27G40XMN

Tested using Methodology v2.1.1

Updated Nov 13, 2025 05:16 PM

Amazon.com

Tested using Methodology v2.1.1

Updated Nov 12, 2025 02:41 PM

SEE PRICE
BestBuy.com
  1. Recommended in 3 articles:
  2. Video Editing
  3. Mini LED
  4. Photo Editing

Our Verdict

Acer Nitro XV275U P3biipx

AOC Q27G40XMN

The Acer Nitro XV275U P3biipx and the AOC Q27G40XMN are both entry-level 1440p gaming monitors. They each feature Mini LED backlighting, but the AOC is the better choice for most people. This is because it has a better local dimming feature, so it has better picture quality in dark scenes, as there's less black crush. The AOC also has better color accuracy, and motion looks sharper with fast-moving objects. While both monitors get bright, the main advantage of the Acer is that it has better PQ EOTF tracking, so it displays most content at the intended brightness. The Acer also has much better ergonomics, making it easier to adjust.

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Variants

  • Nitro XV275U P3biipx (27")
  • Q27G40XMN (27")

Check Price

27"
Nitro XV275U P3biipx
Amazon.com
27"
Q27G40XMN
SEE PRICE
BestBuy.com
27"
Nitro XV275U P3biipx
B&H
27"
Q27G40XMN
SEE PRICE
Walmart.com
27"
Nitro XV275U P3biipx
BestBuy.com
27"
Q27G40XMN
Amazon.com
27"
Nitro XV275U P3biipx
Acer
27"
Q27G40XMN
B&H
27"
Nitro XV275U P3biipx
Walmart.com
27"
Q27G40XMN
AOC

Main Differences for
PC Gaming

Threshold 

0.10

PC Gaming 
 

7.8
8.1

VRR Motion Performance 
 

6.8
8.1

CAD @ 60Hz 
 

4.5
7.1

Full Comparison

Design

Style 
 

Design Picture 
 

Compare High-Res
Acer Nitro XV275U P3biipx Design Picture
Compare High-Res
AOC Q27G40XMN Design Picture

Curved 
 

No
No

Curve Radius 
 

Not Curved
Not Curved
Show Text 

Build Quality 
 

8.0
6.5

Build Quality Picture 
 

Compare High-Res
Acer Nitro XV275U P3biipx Build Quality Picture
Compare High-Res
AOC Q27G40XMN Build Quality Picture
Show Text 

Ergonomics 
 

9.7
4.5

Ergonomics Picture 
 

Compare High-Res
Acer Nitro XV275U P3biipx Ergonomics Picture
Compare High-Res
AOC Q27G40XMN Ergonomics Picture

Back Picture 
 

Compare High-Res
Acer Nitro XV275U P3biipx Back Picture
Compare High-Res
AOC Q27G40XMN Back Picture

Height Adjustment 
 

5.7" (14.6 cm)
0.0" (0.0 cm)

Min Height To Top Of Panel 
 

17.0" (43.1 cm)
18.2" (46.2 cm)

Tilt Range 
 

-25° to 5°
-20° to 5°

Rotate Portrait/Landscape 
 

Yes, Both Ways
No

Swivel Range 
 

-25° to 25°
No swivel

Wall Mount 
 

VESA 75x75
VESA 100x100
Show Text 

Stand 
 

Stand Picture 
 

Compare High-Res
Acer Nitro XV275U P3biipx Stand Picture
Compare High-Res
AOC Q27G40XMN Stand Picture

Thickness Picture 
 

Compare High-Res
Acer Nitro XV275U P3biipx Thickness Picture
Compare High-Res
AOC Q27G40XMN Thickness Picture

Base Width 
 

21.7" (55.2 cm)
11.0" (28.0 cm)

Base Depth 
 

10.6" (27.0 cm)
7.7" (19.5 cm)

Thickness (With Display) 
 

8.7" (22.2 cm)
5.3" (13.5 cm)

Weight (With Display) 
 

13.8 lbs (6.3 kg)
13.9 lbs (6.3 kg)
Show Text 

Display 
 

Display Picture 
 

Compare High-Res
Acer Nitro XV275U P3biipx Display Picture
Compare High-Res
AOC Q27G40XMN Display Picture

Size 
 

27"
27"

Housing Width 
 

24.2" (61.4 cm)
24.1" (61.1 cm)

Housing Height 
 

14.2" (36.0 cm)
14.3" (36.4 cm)

Thickness (Without Stand) 
 

3.1" (8.0 cm)
2.5" (6.3 cm)

Weight (Without Stand) 
 

9.6 lbs (4.4 kg)
11.9 lbs (5.4 kg)

Borders Size (Bezels)  
 

0.4" (0.9 cm)
0.3" (0.8 cm)
Show Text 

Controls 
 

Controls Picture 
 

Compare High-Res
Acer Nitro XV275U P3biipx Controls Picture
Compare High-Res
AOC Q27G40XMN Controls Picture
Show Text 

In The Box 
 

In The Box Picture 
 

Compare High-Res
Acer Nitro XV275U P3biipx In The Box Picture
Compare High-Res
AOC Q27G40XMN In The Box Picture

Power Supply 
 

External Brick
Internal
Show Text 
Picture Quality

Contrast 
 

8.6
8.7

Checkerboard Picture 
 

Compare High-Res
Acer Nitro XV275U P3biipx Checkerboard Picture
Compare High-Res
AOC Q27G40XMN Checkerboard Picture

Native Contrast 
 

4,559 : 1
4,361 : 1

Contrast With Local Dimming 
 

4,720 : 1
21,609 : 1
Show Text 

Local Dimming 
 

6.0
8.0

Local Dimming Video  

Local Dimming 
 

Yes
Yes

Backlight 
 

Full-Array
Full-Array
Show Text 

SDR Brightness 
 

8.6
8.5

Real Scene 
 

580 cd/m²
505 cd/m²

Peak 2% Window 
 

588 cd/m²
379 cd/m²

Peak 10% Window 
 

588 cd/m²
511 cd/m²

Peak 25% Window 
 

586 cd/m²
545 cd/m²

Peak 50% Window 
 

583 cd/m²
556 cd/m²

Peak 100% Window 
 

581 cd/m²
564 cd/m²

Sustained 2% Window 
 

586 cd/m²
378 cd/m²

Sustained 10% Window 
 

586 cd/m²
511 cd/m²

Sustained 25% Window 
 

584 cd/m²
544 cd/m²

Sustained 50% Window 
 

582 cd/m²
554 cd/m²

Sustained 100% Window 
 

580 cd/m²
562 cd/m²

Automatic Brightness Limiting (ABL) 
 

0.001
0.024

Minimum Brightness 
 

37 cd/m²
38 cd/m²
Show Text 

HDR Brightness 
 

9.1
9.1

EOTF 
 

Compare High-Res
Acer Nitro XV275U P3biipx EOTF
Compare High-Res
AOC Q27G40XMN EOTF

VESA DisplayHDR Certification 
 

DisplayHDR 1000
DisplayHDR 1000

Real Scene 
 

1,074 cd/m²
1,197 cd/m²

Peak 2% Window 
 

797 cd/m²
978 cd/m²

Peak 10% Window 
 

1,319 cd/m²
1,263 cd/m²

Peak 25% Window 
 

1,548 cd/m²
861 cd/m²

Peak 50% Window 
 

1,631 cd/m²
884 cd/m²

Peak 100% Window 
 

1,320 cd/m²
899 cd/m²

Sustained 2% Window 
 

792 cd/m²
968 cd/m²

Sustained 10% Window 
 

1,316 cd/m²
1,246 cd/m²

Sustained 25% Window 
 

1,543 cd/m²
858 cd/m²

Sustained 50% Window 
 

1,613 cd/m²
879 cd/m²

Sustained 100% Window 
 

1,109 cd/m²
893 cd/m²

Automatic Brightness Limiting (ABL) 
 

0.036
0.020
Show Text 

Gray Uniformity 
 

7.8
8.4

50% Uniformity Picture 
 

Compare High-Res
Acer Nitro XV275U P3biipx 50% Uniformity Picture
Compare High-Res
AOC Q27G40XMN 50% Uniformity Picture

50% Std. Dev. 
 

2.109%
1.425%

50% DSE 
 

0.168%
0.141%
Show Text 

Black Uniformity 
 

7.7
6.3

Native Black Uniformity Picture 
 

Compare High-Res
Acer Nitro XV275U P3biipx Native Black Uniformity Picture
Compare High-Res
AOC Q27G40XMN Native Black Uniformity Picture

Native Std. Dev. 
 

1.115%
2.233%

Black Uniformity Picture With Local Dimming 
 

Compare High-Res
Acer Nitro XV275U P3biipx Black Uniformity Picture With Local Dimming
Compare High-Res
AOC Q27G40XMN Black Uniformity Picture With Local Dimming

Std. Dev. w/ L.D. 
 

0.326%
0.343%
Show Text 

Color Accuracy (Pre-Calibration) 
 

7.3
9.0

Pre Calibration Picture 
 

Compare High-Res
Acer Nitro XV275U P3biipx Pre Calibration Picture
Compare High-Res
AOC Q27G40XMN Pre Calibration Picture

Pre Gamma Curve Picture 
 

Compare High-Res
Acer Nitro XV275U P3biipx Pre Gamma Curve Picture
Compare High-Res
AOC Q27G40XMN Pre Gamma Curve Picture

Pre Color Picture 
 

Compare High-Res
Acer Nitro XV275U P3biipx Pre Color Picture
Compare High-Res
AOC Q27G40XMN Pre Color Picture

Picture Mode 
 

Standard (sRGB)
Standard (sRGB)

sRGB Gamut Area xy 
 

95.7%
98.7%

White Balance dE (Avg.) 
 

6.02
2.05

Color Temperature (Avg.) 
 

6,452 K
6,289 K

Gamma (Avg.) 
 

2.22
2.20

Color dE (Avg.) 
 

3.75
1.69

Contrast Setting 
 

N/A
N/A

RGB Settings 
 

Default
Default

Gamma Setting 
 

Default
Default

Brightness Setting 
 

80
70

Measured Brightness 
 

156 cd/m²
329 cd/m²

Brightness Locked 
 

No
No
Show Text 

Color Accuracy (Post-Calibration) 
 

9.2
9.7

Post Calibration Picture 
 

Compare High-Res
Acer Nitro XV275U P3biipx Post Calibration Picture
Compare High-Res
AOC Q27G40XMN Post Calibration Picture

Post Gamma Curve Picture 
 

Compare High-Res
Acer Nitro XV275U P3biipx Post Gamma Curve Picture
Compare High-Res
AOC Q27G40XMN Post Gamma Curve Picture

Post Color Picture 
 

Compare High-Res
Acer Nitro XV275U P3biipx Post Color Picture
Compare High-Res
AOC Q27G40XMN Post Color Picture

Picture Mode 
 

User
Standard

sRGB Gamut Area xy 
 

95.0%
99.6%

White Balance dE (Avg.) 
 

0.69
0.69

Color Temperature (Avg.) 
 

6,480 K
6,520 K

Gamma (Avg.) 
 

2.19
2.20

Color dE (Avg.) 
 

0.82
0.38

Contrast Setting 
 

50
50

RGB Settings 
 

Gain (44, 50, 47), Bias (47, 47, 46)
47-49-38

Gamma Setting 
 

2.2
2.2

Brightness Setting 
 

30
15

Measured Brightness 
 

102 cd/m²
101 cd/m²

ICC Profile 
 

Show Text 

SDR Color Gamut 
 

9.2
9.8

sRGB Color Gamut Picture 
 

Compare High-Res
Acer Nitro XV275U P3biipx sRGB Color Gamut Picture
Compare High-Res
AOC Q27G40XMN sRGB Color Gamut Picture

sRGB Coverage xy 
 

95.3%
99.6%

sRGB Picture Mode 
 

User
Standard

Adobe RGB Color Gamut Picture 
 

Compare High-Res
Acer Nitro XV275U P3biipx Adobe RGB Color Gamut Picture
Compare High-Res
AOC Q27G40XMN Adobe RGB Color Gamut Picture

Adobe RGB Coverage xy 
 

96.4%
95.6%

Adobe RGB Picture Mode 
 

User
Standard
Show Text 

HDR Color Gamut 
 

8.5
8.1

Wide Color Gamut 
 

Yes
Yes

DCI-P3 Color Gamut Picture 
 

Compare High-Res
Acer Nitro XV275U P3biipx DCI-P3 Color Gamut Picture
Compare High-Res
AOC Q27G40XMN DCI-P3 Color Gamut Picture

DCI-P3 Coverage xy 
 

92.2%
90.3%

DCI-P3 Picture Mode 
 

HDR On
Display HDR

Rec. 2020 Color Gamut Picture 
 

Compare High-Res
Acer Nitro XV275U P3biipx Rec. 2020 Color Gamut Picture
Compare High-Res
AOC Q27G40XMN Rec. 2020 Color Gamut Picture

Rec. 2020 Coverage xy 
 

77.1%
74.9%

Rec. 2020 Picture Mode 
 

HDR On
Display HDR
Show Text 

HDR Color Volume 
 

8.6
8.5

DCI-P3 Color Volume ITP Picture 
 

Compare High-Res
Acer Nitro XV275U P3biipx DCI-P3 Color Volume ITP Picture
Compare High-Res
AOC Q27G40XMN DCI-P3 Color Volume ITP Picture

1,000 cd/m² DCI-P3 Coverage ICtCp 
 

83.2%
73.2%

DCI-P3 Picture Mode 
 

HDR On
Display HDR

Rec. 2020 Color Volume ITP Picture 
 

Compare High-Res
Acer Nitro XV275U P3biipx Rec. 2020 Color Volume ITP Picture
Compare High-Res
AOC Q27G40XMN Rec. 2020 Color Volume ITP Picture

10,000 cd/m² Rec. 2020 Coverage ICtCp 
 

42.2%
42.7%

Rec. 2020 Picture Mode 
 

HDR On
Display HDR
Show Text 

Viewing Angle 
 

6.0
5.6

Viewing Angle Video  

Chroma Graph 
 

Compare High-Res
Acer Nitro XV275U P3biipx Chroma Graph
Compare High-Res
AOC Q27G40XMN Chroma Graph

Color Washout From Left 
 

29°
25°

Color Washout From Right 
 

29°
26°

Hue Graph 
 

Compare High-Res
Acer Nitro XV275U P3biipx Hue Graph
Compare High-Res
AOC Q27G40XMN Hue Graph

Color Shift From Left 
 

57°
30°

Color Shift From Right 
 

65°
38°

Lightness Graph 
 

Compare High-Res
Acer Nitro XV275U P3biipx Lightness Graph
Compare High-Res
AOC Q27G40XMN Lightness Graph

Brightness Loss From Left 
 

32°
26°

Brightness Loss From Right 
 

32°
27°

Black Level Raise From Left 
 

16°
36°

Black Level Raise From Right 
 

17°
40°

Gamma Shift From Left 
 

15°
13°

Gamma Shift From Right 
 

18°
17°
Show Text 

Text Clarity 
 

7.5
7.5

ClearType On 
 

Compare High-Res
Acer Nitro XV275U P3biipx ClearType On
Compare High-Res
AOC Q27G40XMN ClearType On

ClearType Off 
 

Compare High-Res
Acer Nitro XV275U P3biipx ClearType Off
Compare High-Res
AOC Q27G40XMN ClearType Off

Panel Type 
 

VA
VA

Pixels 
 

Compare High-Res
Acer Nitro XV275U P3biipx Pixels
Compare High-Res
AOC Q27G40XMN Pixels

Subpixel Layout 
 

RGB
RGB
Show Text 

Direct Reflections 
 

6.5
7.1

Ring Light Picture 
 

Compare High-Res
Acer Nitro XV275U P3biipx Ring Light Picture
Compare High-Res
AOC Q27G40XMN Ring Light Picture

Direct Reflections Graph  

See details
See details

Peak Direct Reflection Intensity 
 

31.7%
24.3%

Screen Finish 
 

Matte
Matte
Show Text 

Ambient Black Level Raise 
 

8.9
7.4

Black Level Raise Picture 
 

Compare High-Res
Acer Nitro XV275U P3biipx Black Level Raise Picture
Compare High-Res
AOC Q27G40XMN Black Level Raise Picture

Ambient Black Level Raise Graph  

See details
See details

Black Luminance @ 0 lx 
 

0.01 cd/m²
0.00 cd/m²

Black Luminance @ 1000 lx 
 

0.47 cd/m²
1.34 cd/m²
Show Text 

Total Reflected Light 
 

5.5
5.9

Bright Room Off Picture 
 

Compare High-Res
Acer Nitro XV275U P3biipx Bright Room Off Picture
Compare High-Res
AOC Q27G40XMN Bright Room Off Picture

Total Reflection Ring Light Picture 
 

Compare High-Res
Acer Nitro XV275U P3biipx Total Reflection Ring Light Picture
Compare High-Res
AOC Q27G40XMN Total Reflection Ring Light Picture

Total Reflected Light Intensity 
 

37,559% ⋅ pixel
32,492% ⋅ pixel

Diffraction Artifacts 
 

No
No
Show Text 

Gradient 
 

9.6
9.8

Gradient Picture 
 

Compare High-Res
Acer Nitro XV275U P3biipx Gradient Picture
Compare High-Res
AOC Q27G40XMN Gradient Picture

Color Depth 
 

10 Bit
10 Bit
Show Text 
Motion

Refresh Rate 
 

7.6
7.7

Native Refresh Rate 
 

170 Hz
180 Hz

Max Refresh Rate 
 

170 Hz
180 Hz

Max Refresh Rate Over DP 
 

170 Hz
180 Hz

Max Refresh Rate Over HDMI 
 

144 Hz
144 Hz

Max Refresh Rate Over DP @ 10-bit 
 

170 Hz
120 Hz

Max Refresh Rate Over HDMI @ 10-Bit 
 

60 Hz
60 Hz

DSC Toggle 
 

No
No

DSC Off Max Refresh Rate Over DP 
 

N/A
N/A

DSC Off Max Refresh Rate Over HDMI 
 

N/A
N/A
Show Text 

Variable Refresh Rate (VRR) 
 

Variable Refresh Rate 
 

Yes
Yes

FreeSync 
 

Yes
Yes

G-SYNC 
 

Compatible (Tested)
Compatible (Tested)

VRR Maximum 
 

170 Hz
180 Hz

VRR Minimum 
 

< 20 Hz
< 20 Hz

VRR Supported Connectors 
 

DisplayPort, HDMI
DisplayPort, HDMI
Show Text 

VRR Motion Performance 
 

6.8
8.1

Pursuit Photo VRR 
 

Compare High-Res
Acer Nitro XV275U P3biipx Pursuit Photo VRR
Compare High-Res
AOC Q27G40XMN Pursuit Photo VRR

OD Mode CAD Comparison  

See details
See details

Recommended VRR OD Setting 
 

Freesync Premium (Normal)
Faster

Variable Overdrive Advertised 
 

No
No

Avg. CAD 
 

221
144

Best CAD 
 

168
127

Worst CAD 
 

354
173
Show Text 

Refresh Rate Compliance 
 

7.5
8.1

Fast GTG Sequence  

See details
See details

VRR Compliance  

See details
See details

Compliance @ Max Hz 
 

53%
58%

Compliance @ 120 FPS 
 

63%
69%

Compliance @ 60 FPS 
 

73%
81%
Show Text 

CAD @ Max Refresh Rate 
 

7.5
8.2

Pursuit Photo At Max Refresh 
 

Compare High-Res
Acer Nitro XV275U P3biipx Pursuit Photo At Max Refresh
Compare High-Res
AOC Q27G40XMN Pursuit Photo At Max Refresh

CAD Heatmap At Max Refresh 
 

Compare High-Res
Acer Nitro XV275U P3biipx CAD Heatmap At Max Refresh
Compare High-Res
AOC Q27G40XMN CAD Heatmap At Max Refresh

OD Transition Max Refresh Rate 
 

od-transition-max-refresh-rate-extreme-0-31
OD extreme
0 to 31
od-transition-max-refresh-rate-fast-0-31
OD fast
0 to 31

Recommended Overdrive Setting 
 

Normal
Faster

Avg. CAD 
 

168
127

Best 10% CAD 
 

38
58

Worst 10% CAD 
 

324
217
Show Text 

Response Time @ Max Refresh Rate 
 

First Response Time 
 

5.7 ms
4.3 ms

Total Response Time 
 

8.4 ms
6.6 ms

Recommended Overdrive Setting 
 

Normal
Faster

RGB Overshoot 
 

6 RGB
4 RGB

Worst 10% RGB Overshoot 
 

27 RGB
15 RGB

Worst 10% First Response Time 
 

17.5 ms
12.0 ms

Worst 10% Total Response Time 
 

17.5 ms
12.3 ms

Heatmap First Response 
 

Compare High-Res
Acer Nitro XV275U P3biipx Heatmap First Response
Compare High-Res
AOC Q27G40XMN Heatmap First Response

Heatmap Total Response 
 

Compare High-Res
Acer Nitro XV275U P3biipx Heatmap Total Response
Compare High-Res
AOC Q27G40XMN Heatmap Total Response

Heatmap RGB Overshoot 
 

Compare High-Res
Acer Nitro XV275U P3biipx Heatmap RGB Overshoot
Compare High-Res
AOC Q27G40XMN Heatmap RGB Overshoot
Show Text 

CAD @ 120Hz 
 

7.0
8.0

Pursuit Photo 120Hz 
 

Compare High-Res
Acer Nitro XV275U P3biipx Pursuit Photo 120Hz
Compare High-Res
AOC Q27G40XMN Pursuit Photo 120Hz

CAD Heatmap 120Hz 
 

Compare High-Res
Acer Nitro XV275U P3biipx CAD Heatmap 120Hz
Compare High-Res
AOC Q27G40XMN CAD Heatmap 120Hz

OD Transition 120Hz 
 

od-transition-120-extreme-0-31
OD extreme
0 to 31
od-transition-120-fast-0-31
OD fast
0 to 31

Recommended Overdrive Setting 
 

Normal
Faster

Avg. CAD 
 

197
141

Best 10% CAD 
 

37
54

Worst 10% CAD 
 

421
247
Show Text 

Response Time @ 120Hz 
 

Worst 10% First Response Time 
 

8.9 ms
11.9 ms

RGB Overshoot 
 

10 RGB
3 RGB

Total Response Time 
 

9.4 ms
7.6 ms

First Response Time 
 

4.2 ms
5.3 ms

Recommended Overdrive Setting 
 

Normal
Faster

Worst 10% Total Response Time 
 

17.5 ms
13.3 ms

Worst 10% RGB Overshoot 
 

37 RGB
12 RGB

120Hz First Response Heatmap 
 

Compare High-Res
Acer Nitro XV275U P3biipx 120Hz First Response Heatmap
Compare High-Res
AOC Q27G40XMN 120Hz First Response Heatmap

120Hz Total Response Heatmap 
 

Compare High-Res
Acer Nitro XV275U P3biipx 120Hz Total Response Heatmap
Compare High-Res
AOC Q27G40XMN 120Hz Total Response Heatmap

120Hz Heatmap RGB Overshoot 
 

Compare High-Res
Acer Nitro XV275U P3biipx 120Hz Heatmap RGB Overshoot
Compare High-Res
AOC Q27G40XMN 120Hz Heatmap RGB Overshoot
Show Text 

CAD @ 60Hz 
 

4.5
7.1

Pursuit Photo 60Hz 
 

Compare High-Res
Acer Nitro XV275U P3biipx Pursuit Photo 60Hz
Compare High-Res
AOC Q27G40XMN Pursuit Photo 60Hz

CAD Heatmap 60Hz 
 

Compare High-Res
Acer Nitro XV275U P3biipx CAD Heatmap 60Hz
Compare High-Res
AOC Q27G40XMN CAD Heatmap 60Hz

OD Transition 60Hz 
 

od-transition-60-extreme-0-31
OD extreme
0 to 31
od-transition-60-fast-0-31
OD fast
0 to 31

Recommended Overdrive Setting 
 

Normal
Faster

Avg. CAD 
 

360
176

Best 10% CAD 
 

47
58

Worst 10% CAD 
 

1,086
431
Show Text 

Response Time @ 60Hz 
 

Recommended Overdrive Setting 
 

Normal
Faster

First Response Time 
 

4.1 ms
7.2 ms

Total Response Time 
 

19.3 ms
10.1 ms

RGB Overshoot 
 

14 RGB
2 RGB

Worst 10% Total Response Time 
 

35.2 ms
21.9 ms

Worst 10% First Response Time 
 

7.8 ms
17.4 ms

Worst 10% RGB Overshoot 
 

45 RGB
16 RGB

60Hz First Response Heatmap 
 

Compare High-Res
Acer Nitro XV275U P3biipx 60Hz First Response Heatmap
Compare High-Res
AOC Q27G40XMN 60Hz First Response Heatmap

60Hz Total Response Heatmap 
 

Compare High-Res
Acer Nitro XV275U P3biipx 60Hz Total Response Heatmap
Compare High-Res
AOC Q27G40XMN 60Hz Total Response Heatmap

60Hz RGB Overshoot Heatmap 
 

Compare High-Res
Acer Nitro XV275U P3biipx 60Hz RGB Overshoot Heatmap
Compare High-Res
AOC Q27G40XMN 60Hz RGB Overshoot Heatmap
Show Text 

Backlight Strobing (BFI) 
 

Backlight Strobing Picture 
 

Compare High-Res
Acer Nitro XV275U P3biipx Backlight Strobing Picture
Compare High-Res
AOC Q27G40XMN Backlight Strobing Picture

Backlight Strobing Frequency Picture 
 

Compare High-Res
Acer Nitro XV275U P3biipx Backlight Strobing Frequency Picture
Compare High-Res
AOC Q27G40XMN Backlight Strobing Frequency Picture

Backlight Strobing (BFI) 
 

No BFI
No BFI

Maximum Frequency 
 

N/A
N/A

Minimum Frequency 
 

N/A
N/A

Longest Pulse Width Brightness 
 

N/A
N/A

Shortest Pulse Width Brightness 
 

N/A
N/A

Pulse Width Control 
 

No BFI
No BFI

Pulse Phase Control 
 

No BFI
No BFI

Pulse Amplitude Control 
 

No BFI
No BFI

VRR At The Same Time 
 

No BFI
No BFI
Show Text 

VRR Flicker 
 

5.4
8.7

VRR Flicker Video  

VRR Flicker Graph 
 

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Acer Nitro XV275U P3biipx VRR Flicker Graph
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AOC Q27G40XMN VRR Flicker Graph

Dark Gray Flicker 
 

1.6 RGB
0.5 RGB

Middle Gray Flicker 
 

3.9 RGB
1.8 RGB

Light Gray Flicker 
 

3.9 RGB
2.0 RGB
Show Text 

Image Flicker 
 

10
10

Backlight Picture 
 

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Acer Nitro XV275U P3biipx Backlight Picture
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AOC Q27G40XMN Backlight Picture

Flicker-Free 
 

Yes
Yes

PWM Dimming Frequency 
 

>1000 Hz
0 Hz
Show Text 
Inputs

Input Lag 
 

8.9
8.9

Native Resolution @ Max Hz 
 

3.9 ms
4.2 ms

Native Resolution @ 120Hz 
 

5.0 ms
5.5 ms

Native Resolution @ 60Hz 
 

9.0 ms
9.7 ms

Backlight Strobing (BFI) 
 

N/A
N/A
Show Text 

Resolution 
 

7.5
7.5

Native Resolution 
 

2560 x 1440
2560 x 1440

Aspect Ratio 
 

16:9
16:9

Megapixels 
 

3.7 MP
3.7 MP

Pixel Density 
 

109 PPI
109 PPI

PS5 Compatibility 
 

4.9
4.9

PS5 Compatibility Photo 
 

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Acer Nitro XV275U P3biipx PS5 Compatibility Photo
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AOC Q27G40XMN PS5 Compatibility Photo

PS5 Compatibility Table 
 

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Acer Nitro XV275U P3biipx PS5 Compatibility Table
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AOC Q27G40XMN PS5 Compatibility Table

4k @ 120Hz 
 

No
No

4k @ 60Hz 
 

Yes
Yes

1440p @ 120Hz 
 

Yes
Yes

1440p @ 60Hz 
 

Yes
Yes

1080p @ 120Hz 
 

Yes
Yes

1080p @ 60Hz 
 

Yes
Yes
Show Text 

Xbox Series X|S Compatibility 
 

7.1
7.1

XSX Compatibility Photo 
 

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Acer Nitro XV275U P3biipx XSX Compatibility Photo
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AOC Q27G40XMN XSX Compatibility Photo

XSX Compatibility Table 
 

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Acer Nitro XV275U P3biipx XSX Compatibility Table
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AOC Q27G40XMN XSX Compatibility Table

4k @ 120Hz 
 

No
No

4k @ 60Hz 
 

Yes
Yes

1440p @ 120Hz 
 

Yes
Yes

1440p @ 60Hz 
 

Yes
Yes

1080p @ 120Hz 
 

Yes
Yes

1080p @ 60Hz 
 

Yes
Yes
Show Text 

Inputs 
 

Inputs 1 
 

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Acer Nitro XV275U P3biipx Inputs 1
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AOC Q27G40XMN Inputs 1

Inputs 2 
 

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Acer Nitro XV275U P3biipx Inputs 2
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AOC Q27G40XMN Inputs 2

DisplayPort 
 

1 (DP 1.2)
1 (DP 1.2)

DisplayPort Transmission Bandwidth 
 

No DisplayPort 2.1
No DisplayPort 2.1

Mini DisplayPort 
 

No
No

HDMI 
 

2 (HDMI 2.0)
1 (HDMI 2.0)

HDMI 2.1 Bandwidth 
 

No HDMI 2.1
No HDMI 2.1

Daisy Chaining 
 

No
No

3.5mm Audio Out 
 

Yes
Yes

Ethernet 
 

No
No

HDR10 
 

Yes
Yes

Dolby Vision 
 

No
No
Show Text 

USB 
 

USB-A Ports 
 

0
0

USB-A Rated Speed 
 

No USB-A Ports
No USB-A Ports

USB-B Upstream Port 
 

No
No

USB-C Ports 
 

0
0

USB-C Upstream 
 

No USB-C Ports
No USB-C Ports

USB-C Rated Speed 
 

No USB-C Ports
No USB-C Ports

USB-C Power Delivery 
 

No USB-C Ports
No USB-C Ports

USB-C DisplayPort Alt Mode 
 

No USB-C Ports
No USB-C Ports

Thunderbolt 
 

No
No

macOS Compatibility 
 

macOS Screenshot 
 

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Acer Nitro XV275U P3biipx macOS Screenshot
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AOC Q27G40XMN macOS Screenshot
Show Text 
Features

Additional Features 
 

Speakers 
 

No
No

RGB Illumination 
 

Presets
No

Multiple Input Display 
 

No
No

KVM Switch 
 

No
No

Smart OS 
 

No
No
Show Text 

On-Screen Display (OSD) 
 

OSD Picture 
 

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Acer Nitro XV275U P3biipx OSD Picture
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AOC Q27G40XMN OSD Picture
Show Text 

Check Price

27"
Nitro XV275U P3biipx
Amazon.com
27"
Q27G40XMN
SEE PRICE
BestBuy.com
27"
Nitro XV275U P3biipx
B&H
27"
Q27G40XMN
SEE PRICE
Walmart.com
27"
Nitro XV275U P3biipx
BestBuy.com
27"
Q27G40XMN
Amazon.com
27"
Nitro XV275U P3biipx
Acer
27"
Q27G40XMN
B&H
27"
Nitro XV275U P3biipx
Walmart.com
27"
Q27G40XMN
AOC

Acer Nitro XV275U P3biipx

AOC Q27G40XMN

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