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What we think
The PerfectRec monitor team Learn more
Updated April 12, 2024·
If you prioritize a wider screen and immersive experience for media consumption and gaming with deep blacks and vibrant colors, the Acer X34V with its curved OLED screen and high contrast is a strong choice. However, for fast-paced competitive gaming, the Dell Alienware's quicker response times and high refresh rate will provide smoother gameplay, although it has a smaller screen and doesn't perform as well in color-rich tasks. The Acer's ultra-wide aspect ratio is also better suited for multitasking in productivity, while the Alienware's standard aspect ratio may be preferable for traditional computing tasks. If budget is a concern, the Acer offers a good balance of features for its price. Give Feedback
this description is based on the product variant with some specs and product variant with some specs. At the time of writing, the variant with some specs cost some dollars and the variant with some specs cost some dollars.
Advantages of the Acer X34V (QD-OLED)
- Best in class for casual gaming
- Best in class for media consumption
- Best in class contrast
- Best in class color volume
- Best in class response time
Advantages of the Dell Alienware AW2721D (IPS)
- Very good for competitive gaming
- Very good refresh rate
- Good text clarity
- Good brightness
Key differences
Casual Gaming
9.6
6.5
3440 x 1440
RESOLUTION
2560 x 1440
175Hz
REFRESH RATE
240Hz
Inf:1
NATIVE CONTRAST
1088:1
250 nits
SDR PEAK BRIGHTNESS
474 nits
1000 nits
HDR PEAK BRIGHTNESS
788 nits
99.0 %
DCI-P3 COLOR GAMUT
71.9 %
Matte
COATING
Semi-Gloss
The Acer X34V (QD-OLED) is best in class for casual gaming, while the Dell Alienware AW2721D (IPS) is only fair.
Competitive Gaming
5.2
8.0
175Hz
REFRESH RATE
240Hz
1.0 ms
TOTAL RESPONSE TIME
7.1 ms
48 - 175 Hz
VARIABLE REFRESH RATE
20 - 240 Hz
No
STROBING / BFI
No
250 nits
SDR PEAK BRIGHTNESS
474 nits
The Dell Alienware AW2721D (IPS) is very good for competitive gaming, while the Acer X34V (QD-OLED) is poor.
Productivity
5.7
6.5
3440 x 1440
RESOLUTION
2560 x 1440
109 PPI
PIXELS PER INCH
109 PPI
Yes
ADJUSTABLE STAND
Yes
Matte
COATING
Semi-Gloss
The Dell Alienware AW2721D (IPS) is only fair for productivity, while the Acer X34V (QD-OLED) is poor.
Media Consumption
9.5
6.2
3440 x 1440
RESOLUTION
2560 x 1440
Inf:1
NATIVE CONTRAST
1088:1
250 nits
SDR PEAK BRIGHTNESS
474 nits
1000 nits
HDR PEAK BRIGHTNESS
788 nits
Matte
COATING
Semi-Gloss
The Acer X34V (QD-OLED) is best in class for media consumption, while the Dell Alienware AW2721D (IPS) is only fair.
Cost
$700
$902
$200
$400
$600
$800
$1,000
$1,200
$1,400
The Acer X34V (QD-OLED) has a price of $700 and the Dell Alienware AW2721D (IPS) costs $902.
HDR Gaming and Media Consumption
Yes
No
The Acer X34V (QD-OLED) is suitable for HDR gaming and media consumption while the Dell Alienware AW2721D (IPS) is not suitable for HDR gaming and media consumption.
Key similarities
Digital Photo Editing
Yes
Yes
Both the Acer X34V (QD-OLED) and Dell Alienware AW2721D (IPS) are suitable for digital photo editing.
HDR Video Editing and Color Grading
No
No
Both the Acer X34V (QD-OLED) and Dell Alienware AW2721D (IPS) are not suitable for HDR video editing and color grading.
Print Photo Editing
No
No
Both the Acer X34V (QD-OLED) and Dell Alienware AW2721D (IPS) are not suitable for print photo editing.
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We’re constantly working to improve.
How the Acer X34V (QD-OLED) and the Dell Alienware AW2721D (IPS) compare to other monitors
Spec Comparison
 |  | |
| Acer X34V (QD-OLED) | Dell Alienware AW2721D (IPS) |
GENERAL | |||
|---|---|---|---|
| Price | |||
$700 | $902 | ||
Screen Size | |||
Screen Size | 34" | 27" | |
Resolution | |||
Resolution | 3440 x 1440 | 2560 x 1440 | |
Screen Type | |||
Screen Type | OLED | LED | |
Screen Sub-type | |||
Screen Sub-type | QD-OLED | IPS | |
Local Dimming Zones | |||
Local Dimming Zones | N/A | 32 | |
COLOR, CONTRAST & BRIGHTNESS | |||
|---|---|---|---|
Native Contrast | |||
Native Contrast | Inf:1 | 1088:1 | |
SDR Peak Brightness | |||
SDR Peak Brightness | 250 nits | 474 nits | |
HDR Peak Brightness | |||
HDR Peak Brightness | 1000 nits | 788 nits | |
Suitable for HDR Gaming and Media Consumption | |||
Suitable for HDR Gaming and Media Consumption | Yes | No | |
sRGB Color Gamut | |||
sRGB Color Gamut | 104 % | 136.9 % | |
MOTION CHARACTERISTICS | |||
|---|---|---|---|
Total Response Time | |||
Total Response Time | 1 ms | 7.1 ms | |
Variable Refresh Rate | |||
Variable Refresh Rate | 48 - 175 Hz | 20 - 240 Hz | |
Strobing / BFI | |||
Strobing / BFI | No | No | |
Persistence Blur Score | |||
Persistence Blur Score | 7.2/10 | 8/10 | |
Ghosting Score | |||
Ghosting Score | 9.6/10 | 7.9/10 | |
TEXT & IMAGE CLARITY | |||
|---|---|---|---|
Pixels Per Inch | |||
Pixels Per Inch | 109 PPI | 109 PPI | |
Coating | |||
Coating | Matte | Semi-Gloss | |
Text Clarity Score | |||
Text Clarity Score | 6.6/10 | 7/10 | |
Image Clarity Score | |||
Image Clarity Score | 7/10 | 7/10 | |
PORTS & CONNECTIVITY | |||
|---|---|---|---|
HDMI 1.4 Ports | |||
HDMI 1.4 Ports | 0 | 0 | |
HDMI 2.0 Ports | |||
HDMI 2.0 Ports | 1 | 2 | |
HDMI 2.1 Ports | |||
HDMI 2.1 Ports | 0 | 0 | |
Micro HDMI Ports | |||
Micro HDMI Ports | 0 | 0 | |
DisplayPort 1.2 Ports | |||
DisplayPort 1.2 Ports | 0 | 0 | |
Shopping
Dell Alienware AW2721D (IPS)
See more
Dig into reviews and images
PC Mag
Chris Stobing | July 2021
"If cost isn't an issue and you want a gaming monitor that will give your content all-new life for years to come, the Alienware 27 Gaming Monitor defines the upper echelon of what gaming monitors do best today. This display does everything the HP Omen X 27 tried to do, but does it a whole lot better for just a slight bump in price. If you're choosing between the two, the Alienware is the clear winner, and that story repeats itself again and again no matter which 1440p contender we put the Alienware 27 up against."
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We're constantly perfecting our model
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Why trust us
This information was produced and vetted by the PerfectRec monitors team. We are a product research and recommendation organization that meticulously reviews and evaluates the latest monitor information and makes it digestible for you.
By the numbers
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Monitors evaluated
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Recommendations made
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About the monitor team
Joe Golden, Ph.D
CEO and Monitors Editor
Joe is an entrepreneur and lifelong electronics enthusiast with a Ph.D in Economics from the University of Michigan.
Jason Lew
Staff Expert & Software Engineer
Jason is a staff expert and software engineer that has been making laptop recommendations for 7 years and moderates one of the largest laptop subreddits.
Chandradeep Chowdhury
Staff Expert & Software Engineer
Chandradeep is a staff expert and software engineer and expert in televisions and monitors. He’s been making monitor recommendations for ten years.
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