100

out of

196

Computer Monitors

True Score Methodology v2.0

Alienware AW2521H Review

Name: Alienware AW2521H
Brand: Alienware

Updated Jan 25, 2024 6:28 PM

True Score

80

Absolutely Fresh

79

4

Experts

86

474

Consumers

Product Awards

GR Certified

Customer Favorite

Expert Rankings

(

4

)

The Dell Alienware AW2521 has a 1ms response time, a 300Hz refresh rate, and excellent image clarity, but its limited HDR support, poor black levels, and low contrast ratio might dissuade others from purchasing it.

$825.00

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Table of Contents

Product Snapshot

Overview

The Dell Alienware AW2521H is a mid-tier gaming monitor that was released in early 2021. It delivers stunning image quality thanks to its high pixel-per-inch ratio and boasts fantastic color accuracy, making it reliable enough for at-home photo editing. The display’s incredible 360 Hz refresh rate makes it more than ideal for competitive gamers, as they will be able to enjoy a tear-free gaming experience. The refresh rate is way higher than that of the Alienware AW2521HF, and its rapid response time plus Ultra Low Motion Blur technology ensures that motion blur is eliminated. Make sure to complete this Dell Alienware AW2521H review to see what else the display has in store and find out whether it will match up to the best-rated computer monitors on the market.

Rankings (recommended in)

#
4/5
We Ranked The 5 Best 1080p Gaming Monitors

Best For

1080p

Consensus

our Verdict

The Dell Alienware AW2521H gaming monitor is a great choice for competitive gamers. It has a fast response time, a high refresh rate, and G-Sync compatibility. But if you’re looking for a monitor for dark room viewing, this one isn’t for you – it has a low contrast ratio and poor black levels. The stand has RGB lighting and is adjustable for your comfort.

ReasonS to Buy

Extremely high refresh rate
Ultra Low Motion Blur technology for exceptional responsiveness
Great viewing angles
Ergonomic stand
Good reflection handling

Reason to Avoid

Poor black levels
Low contrast levels
No local dimming feature
No FreeSync

Alienware AW2521H Specs

	Display Type	LED
	HDMI Inputs	2
	HDR Format	Yes
	Max Resolution	1920 x 1080 (Full HD)
	Panel Type	IPS
	Refresh Rate	360 Hz
	Response Time	1 ms
	Screen size	25"
	Sync Technology	G-Sync

All Specs

Test Results

Brightness (nits)	432.4433
Contrast Ratio (as ratio, x:1)	1,113.2
Color Gamut/Accuracy % (DCI P3 xy)	81.3
Color Gamut/Accuracy % (DCI P3 uv)	0
Color Gamut % (Adobe RGB Coverage xy)	73
Color Gamut % (sRGB Coverage xy)	105.5433
Color Gamut % (Rec. 2020 Coverage xy)	58.3
Color Gamut % (Rec. 709 Coverage xy)	0
Input Lag (ms)	13.7
Response Time (ms)	3.65
Reflections % (Total Reflections)	5.8
Horizontal Viewing Angle (Washout Left)	35
Horizontal Viewing Angle (Washout Right)	37
Vertical Viewing Angle (Washout Above)	29
Vertical Viewing Angle (Washout Below)	28