Dell Alienware AW2521HF vs Alienware AW2521H

Which Monitor Is Better?

Products

Dell Alienware AW2521HF
Dell Alienware AW2521H

Tested using Methodology v1.2

Updated Jul 02, 2024 11:22 PM

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Amazon.com

Tested using Methodology v1.2

Updated Sep 12, 2024 07:11 PM

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Amazon.com

Our Verdict

Dell Alienware AW2521HF

Dell Alienware AW2521H

The Dell Alienware AW2521H is better than the Dell Alienware AW2521HF. The AW2521H has a 360Hz refresh rate, supports HDR, has significantly better gradient handling, and has a lower input lag. However, the AW2521HF has much better reflection handling and a wider horizontal viewing angle.

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Variants

  • Alienware AW2521HF (25")
  • Alienware AW2521H (25")

Check Price

25"
Alienware AW2521HF
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25"
Alienware AW2521H
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25"
Alienware AW2521HF
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Walmart.com
25"
Alienware AW2521H
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25"
Alienware AW2521HF
B&H
25"
Alienware AW2521H
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25"
Alienware AW2521HF
BestBuy.com
25"
Alienware AW2521H
B&H
25"
Alienware AW2521HF
Dell
25"
Alienware AW2521H
Dell

Main Differences for
Mixed Usage

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Mixed Usage 
 

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Full Comparison

Design

Style 
 

Design Picture  

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Curved 
 

Locked
Locked

Curve Radius 
 

Locked
Locked
Show Text 

Accelerated Longevity Test 
 

Uniformity Pictures  

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Longevity Graph  

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Build Quality 
 

N/A
N/A

Build Quality Picture  

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Ergonomics 
 

N/A
N/A

Ergonomics Picture  

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Back Picture  

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Height Adjustment 
 

Lock" (Lock cm)
Lock" (Lock cm)

Tilt Range 
 

Locked
Locked

Rotate Portrait/Landscape 
 

Locked
Locked

Swivel Range 
 

Locked
Locked

Wall Mount 
 

Locked
Locked
Show Text 

Stand 
 

Stand Picture  

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Thickness Picture  

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Base Width 
 

Lock" (Lock cm)
Lock" (Lock cm)

Base Depth 
 

Lock" (Lock cm)
Lock" (Lock cm)

Thickness (With Display) 
 

Lock" (Lock cm)
Lock" (Lock cm)

Weight (With Display) 
 

Lock lbs (Lock kg)
Lock lbs (Lock kg)
Show Text 

Display 
 

Display Picture  

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Size 
 

Lock"
Lock"

Housing Width 
 

Lock" (Lock cm)
Lock" (Lock cm)

Housing Height 
 

Lock" (Lock cm)
Lock" (Lock cm)

Thickness (Without Stand) 
 

Lock" (Lock cm)
Lock" (Lock cm)

Weight (Without Stand) 
 

Lock lbs (Lock kg)
Lock lbs (Lock kg)

Borders Size (Bezels)  
 

Lock" (Lock cm)
Lock" (Lock cm)

Controls 
 

Controls Picture  

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Show Text 

In The Box 
 

In The Box Picture  

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Power Supply 
 

Locked
Locked
Show Text 
Picture Quality

Contrast 
 

N/A
N/A

Checkerboard Picture  

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Native Contrast 
 

Lock : 1
Lock : 1

Contrast With Local Dimming 
 

N/A
N/A
Show Text 

Local Dimming 
 

N/A
N/A

Local Dimming Video  

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Local Dimming 
 

Locked
Locked

Backlight 
 

Locked
Locked
Show Text 

SDR Brightness 
 

N/A
N/A

Real Scene 
 

Lock cd/m²
Lock cd/m²

Peak 2% Window 
 

Lock cd/m²
Lock cd/m²

Peak 10% Window 
 

Lock cd/m²
Lock cd/m²

Peak 25% Window 
 

Lock cd/m²
Lock cd/m²

Peak 50% Window 
 

Lock cd/m²
Lock cd/m²

Peak 100% Window 
 

Lock cd/m²
Lock cd/m²

Sustained 2% Window 
 

Lock cd/m²
Lock cd/m²

Sustained 10% Window 
 

Lock cd/m²
Lock cd/m²

Sustained 25% Window 
 

Lock cd/m²
Lock cd/m²

Sustained 50% Window 
 

Lock cd/m²
Lock cd/m²

Sustained 100% Window 
 

Lock cd/m²
Lock cd/m²

Automatic Brightness Limiting (ABL) 
 

Lock
Lock

Minimum Brightness 
 

Lock cd/m²
Lock cd/m²
Show Text 

HDR Brightness 
 

N/A
N/A

EOTF  

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VESA DisplayHDR Certification 
 

Locked
Locked

Real Scene 
 

N/A
Lock cd/m²

Peak 2% Window 
 

N/A
Lock cd/m²

Peak 10% Window 
 

N/A
Lock cd/m²

Peak 25% Window 
 

N/A
Lock cd/m²

Peak 50% Window 
 

N/A
Lock cd/m²

Peak 100% Window 
 

N/A
Lock cd/m²

Sustained 2% Window 
 

N/A
Lock cd/m²

Sustained 10% Window 
 

N/A
Lock cd/m²

Sustained 25% Window 
 

N/A
Lock cd/m²

Sustained 50% Window 
 

N/A
Lock cd/m²

Sustained 100% Window 
 

N/A
Lock cd/m²

Automatic Brightness Limiting (ABL) 
 

N/A
Lock
Show Text 

Horizontal Viewing Angle 
 

N/A
N/A

Horizontal Viewing Angle Video  

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Horizontal Chroma Graph  

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Color Washout From Left 
 

Lock°
Lock°

Color Washout From Right 
 

Lock°
Lock°

Horizontal Hue Graph  

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Dell Alienware AW2521H Horizontal Hue Graph Sample

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Color Shift From Left 
 

Lock°
Lock°

Color Shift From Right 
 

Lock°
Lock°

Horizontal Lightness Graph  

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Brightness Loss From Left 
 

Lock°
Lock°

Brightness Loss From Right 
 

Lock°
Lock°

Black Level Raise From Left 
 

Lock°
Lock°

Black Level Raise From Right 
 

Lock°
Lock°

Gamma Shift From Left 
 

Lock°
Lock°

Gamma Shift From Right 
 

Lock°
Lock°
Show Text 

Vertical Viewing Angle 
 

N/A
N/A

Vertical Viewing Angle Video  

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Vertical Chroma Graph  

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Color Washout From Below 
 

Lock°
Lock°

Color Washout From Above 
 

Lock°
Lock°

Vertical Hue Graph  

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Dell Alienware AW2521H Vertical Hue Graph Sample

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Color Shift From Below 
 

Lock°
Lock°

Color Shift From Above 
 

Lock°
Lock°

Vertical Lightness Graph  

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Brightness Loss From Below 
 

Lock°
Lock°

Brightness Loss From Above 
 

Lock°
Lock°

Black Level Raise From Below 
 

Lock°
Lock°

Black Level Raise From Above 
 

Lock°
Lock°

Gamma Shift From Below 
 

Lock°
Lock°

Gamma Shift From Above 
 

Lock°
Lock°
Show Text 

Gray Uniformity 
 

N/A
N/A

50% Uniformity Picture  

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50% Std. Dev. 
 

Lock%
Lock%

50% DSE 
 

Lock%
Lock%
Show Text 

Black Uniformity 
 

N/A
N/A

Native Black Uniformity Picture  

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Native Std. Dev. 
 

Lock%
Lock%

Black Uniformity Picture With Local Dimming  

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Std. Dev. w/ L.D. 
 

N/A
N/A
Show Text 

Color Accuracy (Pre-Calibration) 
 

N/A
N/A

Pre Calibration Picture  

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Pre Gamma Curve Picture  

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Pre Color Picture  

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Picture Mode 
 

Locked
Locked

sRGB Gamut Area xy 
 

Lock%
Lock%

White Balance dE (Avg.) 
 

Lock
Lock

Color Temperature (Avg.) 
 

Lock K
Lock K

Gamma (Avg.) 
 

Lock
Lock

Color dE (Avg.) 
 

Lock
Lock

Contrast Setting 
 

Lock
Lock

RGB Settings 
 

Locked
Locked

Gamma Setting 
 

Locked
Locked

Brightness Setting 
 

Lock
Lock

Measured Brightness 
 

Lock cd/m²
Lock cd/m²

Brightness Locked 
 

Locked
Locked
Show Text 

Color Accuracy (Post-Calibration) 
 

N/A
N/A

Post Calibration Picture  

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Post Gamma Curve Picture  

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Post Color Picture  

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Picture Mode 
 

Locked
Locked

sRGB Gamut Area xy 
 

Lock%
Lock%

White Balance dE (Avg.) 
 

Lock
Lock

Color Temperature (Avg.) 
 

Lock K
Lock K

Gamma (Avg.) 
 

Lock
Lock

Color dE (Avg.) 
 

Lock
Lock

Contrast Setting 
 

Lock
Lock

RGB Settings 
 

Locked
Locked

Gamma Setting 
 

Locked
Locked

Brightness Setting 
 

Lock
Lock

Measured Brightness 
 

Lock cd/m²
Lock cd/m²

ICC Profile 
 

Download
Download
Show Text 

SDR Color Gamut 
 

N/A
N/A

sRGB Color Gamut Picture  

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sRGB Coverage xy 
 

Lock%
Lock%

sRGB Picture Mode 
 

Locked
Locked

Adobe RGB Color Gamut Picture  

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Adobe RGB Coverage xy 
 

Lock%
Lock%

Adobe RGB Picture Mode 
 

Locked
Locked
Show Text 

SDR Color Volume 
 

N/A
N/A

sRGB Color Volume ITP Picture  

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sRGB In ICtCp 
 

Lock%
Lock%

sRGB Picture Mode 
 

Locked
Locked

Adobe RGB Color Volume ITP Picture  

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Adobe RGB In ICtCp 
 

Lock%
Lock%

Adobe RGB Picture Mode 
 

Locked
Locked
Show Text 

HDR Color Gamut 
 

N/A
N/A

Wide Color Gamut 
 

N/A
Locked

DCI-P3 Color Gamut Picture  

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DCI-P3 Coverage xy 
 

N/A
Lock%

DCI-P3 Picture Mode 
 

Locked
Locked

Rec. 2020 Color Gamut Picture  

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Rec. 2020 Coverage xy 
 

N/A
Lock%

Rec. 2020 Picture Mode 
 

Locked
Locked
Show Text 

HDR Color Volume 
 

N/A
N/A

DCI-P3 Color Volume ITP Picture  

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DCI-P3 In ICtCp 
 

N/A
Lock%

DCI-P3 Picture Mode 
 

Locked
Locked

Rec. 2020 Color Volume ITP Picture  

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Rec. 2020 In ICtCp 
 

N/A
Lock%

Rec. 2020 Picture Mode 
 

Locked
Locked
Show Text 

Reflections 
 

N/A
N/A

Average Room  

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Average Room Off Picture  

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Bright Room Off Picture  

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Screen Finish 
 

Locked
Locked

Total Reflections 
 

Lock%
Lock%

Indirect Reflections 
 

Lock%
Lock%

Calculated Direct Reflections 
 

Lock%
Lock%
Show Text 

Text Clarity 
 

N/A
N/A

ClearType On  

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ClearType Off  

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Pixel Type 
 

Locked
Locked

Pixels  

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Subpixel Layout 
 

Locked
Locked
Show Text 

Gradient 
 

N/A
N/A

Gradient Picture  

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Color Depth 
 

Lock Bit
Lock Bit
Show Text 
Motion

Refresh Rate 
 

N/A
N/A

Native Refresh Rate 
 

Lock Hz
Lock Hz

Max Refresh Rate 
 

Lock Hz
Lock Hz

Max Refresh Rate Over DP 
 

Lock Hz
Lock Hz

Max Refresh Rate Over HDMI 
 

Lock Hz
Lock Hz

Max Refresh Rate Over DP @ 10-bit 
 

N/A
Lock Hz

Max Refresh Rate Over HDMI @ 10-Bit 
 

N/A
Lock Hz
Show Text 

Variable Refresh Rate (VRR) 
 

FreeSync 
 

Locked
Locked

G-SYNC 
 

Locked
Locked

VRR Maximum 
 

Lock Hz
Lock Hz

VRR Minimum 
 

Locked
Locked

VRR Supported Connectors 
 

Locked
Locked

Variable Refresh Rate 
 

Locked
Locked
Show Text 

Response Time @ Max Refresh Rate 
 

N/A
N/A

Motion Blur Picture  

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Response Time Table  

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Recommended Overdrive Setting 
 

Locked
Locked

Rise / Fall Time 
 

Lock ms
Lock ms

Total Response Time 
 

Lock ms
Lock ms

Overshoot Error 
 

Lock%
Lock%

Worst 3 Rise / Fall Time 
 

Lock ms
Lock ms

Worst 3 Total Response Time 
 

Lock ms
Lock ms

Worst 3 Overshoot Error 
 

Lock%
Lock%
Show Text 

Response Time @ 120Hz 
 

N/A
N/A

Motion Blur Picture  

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Response Time Table  

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Recommended Overdrive Setting 
 

Locked
Locked

Rise / Fall Time 
 

Lock ms
Lock ms

Total Response Time 
 

Lock ms
Lock ms

Overshoot Error 
 

Lock%
Lock%

Worst 3 Rise / Fall Time 
 

Lock ms
Lock ms

Worst 3 Total Response Time 
 

Lock ms
Lock ms

Worst 3 Overshoot Error 
 

Lock%
Lock%
Show Text 

Response Time @ 60Hz 
 

N/A
N/A

Motion Blur Picture  

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Response Time Table  

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Recommended Overdrive Setting 
 

Locked
Locked

Rise / Fall Time 
 

Lock ms
Lock ms

Total Response Time 
 

Lock ms
Lock ms

Overshoot Error 
 

Lock%
Lock%

Worst 3 Rise / Fall Time 
 

Lock ms
Lock ms

Worst 3 Total Response Time 
 

Lock ms
Lock ms

Worst 3 Overshoot Error 
 

Lock%
Lock%
Show Text 

Backlight Strobing (BFI) 
 

Backlight Strobing Picture  

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Backlight Strobing Frequency Picture  

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Backlight Strobing (BFI) 
 

Locked
Locked

Maximum Frequency 
 

N/A
Lock Hz

Minimum Frequency 
 

N/A
Lock Hz

Longest Pulse Width Brightness 
 

N/A
Lock cd/m²

Shortest Pulse Width Brightness 
 

N/A
Lock cd/m²

Pulse Width Control 
 

Locked
Locked

Pulse Phase Control 
 

Locked
Locked

Pulse Amplitude Control 
 

Locked
Locked

VRR At The Same Time 
 

Locked
Locked
Show Text 

Image Flicker 
 

N/A
N/A

Backlight Picture  

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Flicker-Free 
 

Locked
Locked

PWM Dimming Frequency 
 

Locked
Locked
Show Text 
Inputs

Input Lag 
 

N/A
N/A

Native Resolution @ Max Hz 
 

Lock ms
Lock ms

Native Resolution @ 120Hz 
 

Lock ms
Lock ms

Native Resolution @ 60Hz 
 

Lock ms
Lock ms

Backlight Strobing (BFI) 
 

N/A
Lock ms
Show Text 

Resolution And Size 
 

N/A
N/A

Native Resolution 
 

Locked
Locked

Aspect Ratio 
 

Locked
Locked

Megapixels 
 

Lock MP
Lock MP

Pixel Density 
 

Lock PPI
Lock PPI

Measured Screen Diagonal 
 

Lock"
Lock"

Screen Area 
 

Lock in²
Lock in²
Show Text 

PS5 Compatibility 
 

N/A
N/A

PS5 Compatibility Photo  

Dell Alienware AW2521HF PS5 Compatibility Photo Sample

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Dell Alienware AW2521H PS5 Compatibility Photo Sample

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4k @ 120Hz 
 

Locked
Locked

4k @ 60Hz 
 

Locked
Locked

1440p @ 120Hz 
 

Locked
Locked

1440p @ 60Hz 
 

Locked
Locked

1080p @ 120Hz 
 

Locked
Locked

1080p @ 60Hz 
 

Locked
Locked

HDR 
 

Locked
Locked

VRR 
 

Locked
Locked
Show Text 

Xbox Series X|S Compatibility 
 

N/A
N/A

XSX Compatibility Photo  

Dell Alienware AW2521HF XSX Compatibility Photo Sample

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Dell Alienware AW2521H XSX Compatibility Photo Sample

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4k @ 120Hz 
 

Locked
Locked

4k @ 60Hz 
 

Locked
Locked

1440p @ 120Hz 
 

Locked
Locked

1440p @ 60Hz 
 

Locked
Locked

1080p @ 120Hz 
 

Locked
Locked

1080p @ 60Hz 
 

Locked
Locked

HDR 
 

Locked
Locked

VRR 
 

Locked
Locked
Show Text 

Inputs Photos  

Inputs 1  

Dell Alienware AW2521HF Inputs 1 Sample

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Inputs 2  

Dell Alienware AW2521HF Inputs 2 Sample

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Dell Alienware AW2521H Inputs 2 Sample

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Video And Audio Ports 
 

DisplayPort 
 

Locked
Locked

Mini DisplayPort 
 

Locked
Locked

HDMI 
 

Locked
Locked

HDMI 2.1 Rated Speed 
 

Locked
Locked

DVI 
 

Locked
Locked

VGA 
 

Locked
Locked

Daisy Chaining 
 

Locked
Locked

3.5mm Audio Out 
 

Locked
Locked

HDR10 
 

Locked
Locked

3.5mm Audio In 
 

Locked
Locked

3.5mm Microphone In 
 

Locked
Locked
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USB 
 

USB-A Ports 
 

Locked
Locked

USB-A Rated Speed 
 

Locked
Locked

USB-B Upstream Port 
 

Locked
Locked

USB-C Ports 
 

Locked
Locked

USB-C Upstream 
 

Locked
Locked

USB-C Rated Speed 
 

Locked
Locked

USB-C Power Delivery 
 

Locked
Locked

USB-C DisplayPort Alt Mode 
 

Locked
Locked

Thunderbolt 
 

Locked
Locked

macOS Compatibility 
 

macOS Screenshot  

Dell Alienware AW2521HF macOS Screenshot Sample

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Dell Alienware AW2521H macOS Screenshot Sample

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Show Text 
Features

Additional Features 
 

Speakers 
 

Locked
Locked

RGB Illumination 
 

Locked
Locked

Multiple Input Display 
 

Locked
Locked

KVM Switch 
 

Locked
Locked
Show Text 

On-Screen Display (OSD) 
 

OSD Picture  

Dell Alienware AW2521HF OSD Picture Sample

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Dell Alienware AW2521H OSD Picture Sample

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Check Price

25"
Alienware AW2521HF
SEE PRICE
Amazon.com
25"
Alienware AW2521H
SEE PRICE
Amazon.com
25"
Alienware AW2521HF
SEE PRICE
Walmart.com
25"
Alienware AW2521H
SEE PRICE
BestBuy.com
25"
Alienware AW2521HF
B&H
25"
Alienware AW2521H
SEE PRICE
Walmart.com
25"
Alienware AW2521HF
BestBuy.com
25"
Alienware AW2521H
B&H
25"
Alienware AW2521HF
Dell
25"
Alienware AW2521H
Dell

Dell Alienware AW2521HF

Dell Alienware AW2521H

Comments

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Dell Alienware AW2521HF vs Dell Alienware AW2521H: Main Discussion

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