Dell Alienware AW2521H vs Acer Predator XB273U GXbmiipruzx Side-by-Side Monitor Comparison

Notice: Two or more of the products selected have been tested with different test methodologies, so some of the results below aren't directly comparable. Learn how our test benches and scoring system work, and read more about the latest changes to our monitors test methodology.

Threshold

0.10

Mixed Usage

7.6

No major differences between these monitors for mixed usage. See full list of tests below.

Full Comparison

Mixed Usage

7.6

PC Gaming

8.3

7.3

Console Gaming

6.3

6.6

Office

7.7

7.8

Media Consumption

7.2

Editing

7.7

Brightness

7.6

Response Time

7.2

HDR Picture

5.5

SDR Picture

7.2

Color Accuracy

9.2

Design

Style

Design Picture

Curved

Curve Radius

Not Curved

Show Text

Accelerated Longevity Test

Uniformity Pictures

Longevity Graph

Build Quality

8.5

8.0

Build Quality Picture

Show Text

Ergonomics

9.0

9.3

Ergonomics Picture

Back Picture

Height Adjustment

5.1" (13.0 cm)

4.5" (11.5 cm)

Min Height To Top Of Panel

16.0" (40.6 cm)

Tilt Range

-20° to 5°

-25° to 5°

Rotate Portrait/Landscape

Yes, Both Ways

Swivel Range

-20° to 20°

Wall Mount

VESA 100x100

Show Text

Stand

Stand Picture

Thickness Picture

Base Width

18.3" (46.5 cm)

18.1" (45.9 cm)

Base Depth

10.3" (26.1 cm)

9.3" (23.6 cm)

Thickness (With Display)

8.9" (22.6 cm)

7.8" (19.9 cm)

Weight (With Display)

17.0 lbs (7.7 kg)

13.7 lbs (6.2 kg)

Show Text

Display

Display Picture

Size

25"

27"

Housing Width

21.9" (55.7 cm)

24.2" (61.4 cm)

Housing Height

13.0" (32.9 cm)

14.5" (36.8 cm)

Thickness (Without Stand)

3.3" (8.4 cm)

2.7" (6.9 cm)

Weight (Without Stand)

9.9 lbs (4.5 kg)

9.0 lbs (4.1 kg)

Borders Size (Bezels)

0.3" (0.7 cm)

0.3" (0.9 cm)

Controls

Controls Picture

Show Text

In The Box

In The Box Picture

Power Supply

Internal

External Brick

Show Text

Picture Quality

Contrast

6.5

6.4

Checkerboard Picture

Native Contrast

1,336 : 1

1,242 : 1

Contrast With Local Dimming

N/A

Show Text

Local Dimming

0.0

Local Dimming Video

Local Dimming

Backlight

Edge

Show Text

SDR Brightness

8.3

8.4

Real Scene

440 cd/m²

473 cd/m²

Peak 2% Window

435 cd/m²

487 cd/m²

Peak 10% Window

436 cd/m²

488 cd/m²

Peak 25% Window

436 cd/m²

488 cd/m²

Peak 50% Window

437 cd/m²

488 cd/m²

Peak 100% Window

437 cd/m²

488 cd/m²

Sustained 2% Window

434 cd/m²

486 cd/m²

Sustained 10% Window

436 cd/m²

487 cd/m²

Sustained 25% Window

436 cd/m²

488 cd/m²

Sustained 50% Window

437 cd/m²

488 cd/m²

Sustained 100% Window

437 cd/m²

488 cd/m²

Automatic Brightness Limiting (ABL)

0.000

Minimum Brightness

36 cd/m²

50 cd/m²

Show Text

HDR Brightness

7.1

EOTF

VESA DisplayHDR Certification

No Certification

DisplayHDR 400 - 1.0/1.1

Real Scene

457 cd/m²

453 cd/m²

Peak 2% Window

464 cd/m²

467 cd/m²

Peak 10% Window

466 cd/m²

468 cd/m²

Peak 25% Window

466 cd/m²

468 cd/m²

Peak 50% Window

467 cd/m²

468 cd/m²

Peak 100% Window

466 cd/m²

469 cd/m²

Sustained 2% Window

464 cd/m²

466 cd/m²

Sustained 10% Window

466 cd/m²

467 cd/m²

Sustained 25% Window

466 cd/m²

467 cd/m²

Sustained 50% Window

466 cd/m²

468 cd/m²

Sustained 100% Window

466 cd/m²

468 cd/m²

Automatic Brightness Limiting (ABL)

0.000

Show Text

Horizontal Viewing Angle

8.0

8.1

Horizontal Viewing Angle Video

Horizontal Chroma Graph

Color Washout From Left

35°

Color Washout From Right

37°

35°

Horizontal Hue Graph

Color Shift From Left

47°

56°

Color Shift From Right

50°

56°

Horizontal Lightness Graph

Brightness Loss From Left

38°

39°

Brightness Loss From Right

41°

40°

Black Level Raise From Left

70°

Black Level Raise From Right

70°

Gamma Shift From Left

58°

60°

Gamma Shift From Right

59°

Show Text

Vertical Viewing Angle

7.1

6.9

Vertical Viewing Angle Video

Vertical Chroma Graph

Color Washout From Below

28°

29°

Color Washout From Above

29°

30°

Vertical Hue Graph

Color Shift From Below

69°

40°

Color Shift From Above

67°

44°

Vertical Lightness Graph

Brightness Loss From Below

32°

Brightness Loss From Above

33°

34°

Black Level Raise From Below

49°

70°

Black Level Raise From Above

70°

Gamma Shift From Below

28°

30°

Gamma Shift From Above

30°

Show Text

Gray Uniformity

8.0

8.3

50% Uniformity Picture

50% Std. Dev.

3.463%

3.783%

50% DSE

0.136%

0.113%

Show Text

Black Uniformity

5.4

6.6

Native Black Uniformity Picture

Native Std. Dev.

2.390%

1.588%

Black Uniformity Picture With Local Dimming

Std. Dev. w/ L.D.

N/A

Show Text

Color Accuracy (Pre-Calibration)

8.7

9.3

Pre Calibration Picture

Pre Gamma Curve Picture

Pre Color Picture

Picture Mode

Custom Color

Standard (sRGB)

sRGB Gamut Area xy

98.2%

98.0%

White Balance dE (Avg.)

2.90

1.35

Color Temperature (Avg.)

7,005 K

6,346 K

Gamma (Avg.)

2.21

2.18

Color dE (Avg.)

1.81

1.03

Contrast Setting

N/A

RGB Settings

100-100-100

Default

Gamma Setting

No Gamma Setting

Default

Brightness Setting

Measured Brightness

205 cd/m²

188 cd/m²

Brightness Locked

Show Text

Color Accuracy (Post-Calibration)

9.6

9.8

Post Calibration Picture

Post Gamma Curve Picture

Post Color Picture

Picture Mode

Custom Color

User

sRGB Gamut Area xy

97.6%

100.4%

White Balance dE (Avg.)

0.52

Color Temperature (Avg.)

6,516 K

6,474 K

Gamma (Avg.)

2.18

Color dE (Avg.)

0.54

0.34

Contrast Setting

RGB Settings

100-98-90

50-44-48

Gamma Setting

No Gamma Setting

2.2

Brightness Setting

Measured Brightness

101 cd/m²

99 cd/m²

ICC Profile

Download

Show Text

SDR Color Gamut

9.0

9.9

sRGB Color Gamut Picture

sRGB Coverage xy

98.8%

99.6%

sRGB Picture Mode

Custom Color

User

Adobe RGB Color Gamut Picture

Adobe RGB Coverage xy

73.0%

100.0%

Adobe RGB Picture Mode

Custom Color

User

Show Text

HDR Color Gamut

6.7

9.1

Wide Color Gamut

Yes

DCI-P3 Color Gamut Picture

DCI-P3 Coverage xy

81.3%

96.1%

DCI-P3 Picture Mode

Custom Color

HDR Mode

Rec. 2020 Color Gamut Picture

Rec. 2020 Coverage xy

58.3%

83.8%

Rec. 2020 Picture Mode

Custom Color

HDR Mode

Show Text

HDR Color Volume

7.6

7.8

DCI-P3 Color Volume ITP Picture

1,000 cd/m² DCI-P3 Coverage ICtCp

77.5%

67.5%

DCI-P3 Picture Mode

Custom Color

HDR Mode

Rec. 2020 Color Volume ITP Picture

10,000 cd/m² Rec. 2020 Coverage ICtCp

55.9%

33.3%

Rec. 2020 Picture Mode

Custom Color

HDR Mode

Show Text

Text Clarity

7.0

7.5

ClearType On

ClearType Off

Pixel Type

IPS

Pixels

Subpixel Layout

RGB

Show Text

Reflections

7.5

7.2

Average Room

Average Room Off Picture

Bright Room Off Picture

Screen Finish

Matte

Total Reflections

5.8%

5.7%

Indirect Reflections

4.0%

3.0%

Calculated Direct Reflections

1.8%

2.7%

Show Text

Gradient

9.6

9.9

Gradient Picture

Color Depth

10 Bit

Show Text

SDR Color Volume

9.3

sRGB Color Volume ITP Picture

sRGB In ICtCp

96.8%

sRGB Picture Mode

Custom Color

Adobe RGB Color Volume ITP Picture

Adobe RGB In ICtCp

78.0%

Adobe RGB Picture Mode

Custom Color

Show Text

Motion

Refresh Rate

9.3

8.1

Native Refresh Rate

360 Hz

240 Hz

Max Refresh Rate

360 Hz

270 Hz

Max Refresh Rate Over DP

360 Hz

270 Hz

Max Refresh Rate Over HDMI

240 Hz

144 Hz

Max Refresh Rate Over DP @ 10-bit

300 Hz

270 Hz

Max Refresh Rate Over HDMI @ 10-Bit

144 Hz

60 Hz

Show Text

Variable Refresh Rate (VRR)

Variable Refresh Rate

Yes

FreeSync

Compatible (Tested)

G-SYNC

Yes (Native)

Compatible (NVIDIA Certified)

VRR Maximum

360 Hz

240 Hz

VRR Minimum

< 20 Hz

VRR Supported Connectors

DisplayPort, HDMI

Show Text

VRR Motion Performance

6.6

Pursuit Photo VRR

OD Mode CAD Comparison

See details on graph tool

Recommended VRR OD Setting

AdaptiveSync

Variable Overdrive Advertised

Avg. CAD

233

Best CAD

140

Worst CAD

400

Show Text

Refresh Rate Compliance

6.8

Fast GTG Sequence

See details on graph tool

VRR Compliance

See details on graph tool

Compliance @ Max Hz

40%

Compliance @ 120 FPS

56%

Compliance @ 60 FPS

66%

Show Text

Response Time @ 60Hz

8.0

Motion Blur Picture

Response Time Table

Recommended Overdrive Setting

Fast

Off

Rise / Fall Time

4.3 ms

9.0 ms

Total Response Time

12.3 ms

9.0 ms

Overshoot Error

1.2%

0 RGB

Worst 3 Rise / Fall Time

6.1 ms

13.6 ms

Worst 3 Total Response Time

22.1 ms

13.6 ms

Worst 3 Overshoot Error

5.1%

0 RGB

Show Text

CAD @ Max Refresh Rate

8.2

Pursuit Photo At Max Refresh

CAD Heatmap At Max Refresh

OD Transition Max Refresh Rate

OD extreme

0 to 31

Cycle through frames

Recommended Overdrive Setting

Normal

Avg. CAD

124

Best 10% CAD

Worst 10% CAD

228

Show Text

Response Time @ Max Refresh Rate

First Response Time

3.1 ms

4.9 ms

Total Response Time

6.9 ms

5.2 ms

Recommended Overdrive Setting

Fast

Normal

Motion Blur Picture

RGB Overshoot

0.0%

1 RGB

Worst 10% RGB Overshoot

0.0%

6 RGB

Worst 10% First Response Time

5.5 ms

10.4 ms

Worst 10% Total Response Time

10.2 ms

10.4 ms

Heatmap First Response

Heatmap Total Response

Heatmap RGB Overshoot

Response Time Table

Show Text

CAD @ 120Hz

7.4

Pursuit Photo 120Hz

CAD Heatmap 120Hz

OD Transition 120Hz

OD adaptivesync

0 to 31

Cycle through frames

Recommended Overdrive Setting

Off

Avg. CAD

189

Best 10% CAD

110

Worst 10% CAD

278

Show Text

Response Time @ 120Hz

Worst 10% First Response Time

5.1 ms

13.3 ms

RGB Overshoot

1.4%

0 RGB

Total Response Time

7.6 ms

8.6 ms

First Response Time

3.8 ms

8.6 ms

Recommended Overdrive Setting

Fast

Off

Worst 10% Total Response Time

11.5 ms

13.3 ms

Worst 10% RGB Overshoot

5.5%

0 RGB

120Hz First Response Heatmap

120Hz Total Response Heatmap

120Hz Heatmap RGB Overshoot

Motion Blur Picture

Response Time Table

Show Text

CAD @ 60Hz

7.4

Pursuit Photo 60Hz

CAD Heatmap 60Hz

OD Transition 60Hz

OD adaptivesync

0 to 31

Cycle through frames

Recommended Overdrive Setting

Off

Avg. CAD

191

Best 10% CAD

113

Worst 10% CAD

278

Show Text

Response Time @ 60Hz

Recommended Overdrive Setting

Fast

Off

First Response Time

4.3 ms

9.0 ms

Total Response Time

12.3 ms

9.0 ms

RGB Overshoot

1.2%

0 RGB

Worst 10% Total Response Time

22.1 ms

13.6 ms

Worst 10% First Response Time

6.1 ms

13.6 ms

Worst 10% RGB Overshoot

5.1%

0 RGB

60Hz First Response Heatmap

60Hz Total Response Heatmap

60Hz RGB Overshoot Heatmap

Show Text

Backlight Strobing (BFI)

Backlight Strobing Picture

Backlight Strobing Frequency Picture

Backlight Strobing (BFI)

Yes

Maximum Frequency

240 Hz

270 Hz

Minimum Frequency

144 Hz

120 Hz

Longest Pulse Width Brightness

217 cd/m²

246 cd/m²

Shortest Pulse Width Brightness

22 cd/m²

121 cd/m²

Pulse Width Control

Yes

Limited

Pulse Phase Control

Pulse Amplitude Control

Yes

VRR At The Same Time

Show Text

VRR Flicker

8.3

VRR Flicker Video

VRR Flicker Graph

Dark Gray Flicker

1.1 RGB

Middle Gray Flicker

1.7 RGB

Light Gray Flicker

1.5 RGB

Show Text

Image Flicker

Backlight Picture

Flicker-Free

Yes

PWM Dimming Frequency

0 Hz

Show Text

Inputs

Input Lag

9.2

9.1

Native Resolution @ Max Hz

1.7 ms

2.3 ms

Native Resolution @ 120Hz

4.8 ms

5.9 ms

Native Resolution @ 60Hz

8.4 ms

14.2 ms

Backlight Strobing (BFI)

5.5 ms

4.2 ms

Show Text

Resolution

6.7

7.5

Native Resolution

1920 x 1080

2560 x 1440

Aspect Ratio

16:9

Megapixels

2.1 MP

3.7 MP

Pixel Density

91 PPI

109 PPI

Measured Screen Diagonal

24.5"

Screen Area

255 in²

Show Text

PS5 Compatibility

7.0

4.9

PS5 Compatibility Photo

PS5 Compatibility Table

4k @ 120Hz

4k @ 60Hz

Yes

1440p @ 120Hz

Yes

1440p @ 60Hz

Yes

1080p @ 120Hz

Yes

1080p @ 60Hz

Yes

HDR

Yes

VRR

Yes

Show Text

Xbox Series X|S Compatibility

4.2

7.1

XSX Compatibility Photo

XSX Compatibility Table

4k @ 120Hz

4k @ 60Hz

Yes

1440p @ 120Hz

Yes

1440p @ 60Hz

Yes

1080p @ 120Hz

Yes

1080p @ 60Hz

Yes

HDR

VRR

Yes

Show Text

Inputs Photos

Inputs 1

Inputs 2

Video And Audio Ports

DisplayPort

1 (DP 1.4)

DisplayPort Transmission Bandwidth

No DisplayPort 2.1

Mini DisplayPort

HDMI

2 (HDMI 2.0)

HDMI 2.1 Bandwidth

No HDMI 2.1

DVI

VGA

Daisy Chaining

3.5mm Audio Out

HDR10

Yes

3.5mm Audio In

3.5mm Microphone In

Show Text

USB

USB-A Ports

USB-A Rated Speed

5Gbps (USB 3.2 Gen 1)

USB-B Upstream Port

Yes

USB-C Ports

USB-C Upstream

No USB-C Ports

Yes

USB-C Rated Speed

No USB-C Ports

5Gbps (USB 3.2 Gen 1)

USB-C Power Delivery

No USB-C Ports

65W

USB-C DisplayPort Alt Mode

No USB-C Ports

Yes

Thunderbolt

Show Text

macOS Compatibility

macOS Screenshot

Show Text

Features

Additional Features

Speakers

Yes

RGB Illumination

Controllable

Multiple Input Display

KVM Switch

Show Text

On-Screen Display (OSD)

OSD Picture

Check Price

25"

Alienware AW2521H

SEE PRICE

Amazon.com

27"

Predator XB273U GXbmiipruzx

SEE PRICE

Walmart.com

25"

Alienware AW2521H

SEE PRICE

Amazon.com

27"

Predator XB273U GXbmiipruzx

SEE PRICE

Amazon.com

25"

Alienware AW2521H

SEE PRICE

Amazon.com

27"

Predator XB273U GXbmiipruzx

SEE PRICE

Amazon.com

25"

Alienware AW2521H

SEE PRICE

Amazon.com

27"

Predator XB273U GXbmiipruzx

Amazon.com

25"

Alienware AW2521H

Amazon.com

25"

Alienware AW2521H

Amazon.com

25"

Alienware AW2521H

Amazon.com

25"

Alienware AW2521H

Amazon.com

25"

Alienware AW2521H

Amazon.com

25"

Alienware AW2521H

Amazon.com

Dell Alienware AW2521H

Acer Predator XB273U GXbmiipruzx

Comments

Comparison

• Posted 1 year ago

Dell Alienware AW2521H vs Acer Predator XB273U GXbmiipruzx: Main Discussion

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Dell Alienware AW2521H vs Acer Predator XB273U GXbmiipruzx

Side-by-Side Comparison

Products

Variants

Review

Our Verdict

Check Price

Main Differences forMixed Usage

Threshold

Mixed Usage

Full Comparison

Mixed Usage

PC Gaming

Console Gaming

Office

Media Consumption

Editing

Brightness

Response Time

HDR Picture

SDR Picture

Color Accuracy

Style

Design Picture

Curved

Curve Radius

Accelerated Longevity Test

Uniformity Pictures

Longevity Graph

Build Quality

Build Quality Picture

Ergonomics

Ergonomics Picture

Back Picture

Height Adjustment

Min Height To Top Of Panel

Tilt Range

Rotate Portrait/Landscape

Swivel Range

Wall Mount

Stand

Stand Picture

Thickness Picture

Base Width

Base Depth

Thickness (With Display)

Weight (With Display)

Display

Display Picture

Size

Housing Width

Housing Height

Thickness (Without Stand)

Weight (Without Stand)

Borders Size (Bezels)

Controls

Controls Picture

In The Box

In The Box Picture

Power Supply

Contrast

Checkerboard Picture

Native Contrast

Contrast With Local Dimming

Local Dimming

Local Dimming Video

Local Dimming

Backlight

SDR Brightness

Real Scene

Peak 2% Window

Peak 10% Window

Peak 25% Window

Peak 50% Window

Peak 100% Window

Sustained 2% Window

Sustained 10% Window

Sustained 25% Window

Sustained 50% Window

Sustained 100% Window

Main Differences for
Mixed Usage