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The PerfectRec monitor team Learn more
Updated April 11, 2024·
If you prioritize high-resolution, vibrant colors, and are interested in HDR gaming and media consumption, the CoolerMaster GP27U would be an excellent choice as it offers superior brightness and color depth, which enhances image quality for both gaming and viewing HDR content. On the other hand, if competitive gaming is your main focus and you want a monitor with a higher refresh rate for smoother gameplay, the Dell Alienware AW2721D might be more suitable. However, it won't deliver as well as the CoolerMaster GP27U in terms of HDR performance or color accuracy, important for tasks like photo editing. Choose the CoolerMaster if you're looking for a well-rounded monitor that excels in visual quality, or opt for the Dell Alienware if your primary concern is a fluid gaming experience at the cost of some image quality. 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 CoolerMaster GP27U (IPS MiniLED)
- Very good for casual gaming
- Best in class for productivity
- Very good for media consumption
- Very good text clarity
- Very good image clarity
- Very good contrast
- Very good brightness
- Very good color volume
- Very good response time
Advantages of the Dell Alienware AW2721D (IPS)
- Very good for competitive gaming
- Very good refresh rate
Key differences
Casual Gaming
8.0
6.5
3840 x 2160
RESOLUTION
2560 x 1440
160Hz
REFRESH RATE
240Hz
1072:1
NATIVE CONTRAST
1088:1
697 nits
SDR PEAK BRIGHTNESS
474 nits
1550 nits
HDR PEAK BRIGHTNESS
788 nits
N/A
DCI-P3 COLOR GAMUT
71.9 %
Matte
COATING
Semi-Gloss
The CoolerMaster GP27U (IPS MiniLED) is very good for casual gaming, while the Dell Alienware AW2721D (IPS) is only fair.
Competitive Gaming
5.9
8.0
160Hz
REFRESH RATE
240Hz
6.2 ms
TOTAL RESPONSE TIME
7.1 ms
20 - 160 Hz
VARIABLE REFRESH RATE
20 - 240 Hz
No
STROBING / BFI
No
697 nits
SDR PEAK BRIGHTNESS
474 nits
The Dell Alienware AW2721D (IPS) is very good for competitive gaming, while the CoolerMaster GP27U (IPS MiniLED) is poor.
Productivity
9.8
6.5
3840 x 2160
RESOLUTION
2560 x 1440
163 PPI
PIXELS PER INCH
109 PPI
Yes
ADJUSTABLE STAND
Yes
Matte
COATING
Semi-Gloss
The CoolerMaster GP27U (IPS MiniLED) is best in class for productivity, while the Dell Alienware AW2721D (IPS) is only fair.
Media Consumption
8.0
6.2
3840 x 2160
RESOLUTION
2560 x 1440
1072:1
NATIVE CONTRAST
1088:1
697 nits
SDR PEAK BRIGHTNESS
474 nits
1550 nits
HDR PEAK BRIGHTNESS
788 nits
Matte
COATING
Semi-Gloss
The CoolerMaster GP27U (IPS MiniLED) is very good for media consumption, while the Dell Alienware AW2721D (IPS) is only fair.
Cost
$770
$902
$400
$600
$800
$1,000
$1,200
$1,400
The CoolerMaster GP27U (IPS MiniLED) has a price of $770 and the Dell Alienware AW2721D (IPS) costs $902.
HDR Gaming and Media Consumption
Yes
No
The CoolerMaster GP27U (IPS MiniLED) is suitable for HDR gaming and media consumption while the Dell Alienware AW2721D (IPS) is not suitable for HDR gaming and media consumption.
Digital Photo Editing
No
Yes
The CoolerMaster GP27U (IPS MiniLED) is not suitable for digital photo editing while the Dell Alienware AW2721D (IPS) is suitable for digital photo editing.
Print Photo Editing
Yes
No
The CoolerMaster GP27U (IPS MiniLED) is suitable for print photo editing while the Dell Alienware AW2721D (IPS) is not suitable for print photo editing.
Key similarities
HDR Video Editing and Color Grading
No
No
Both the CoolerMaster GP27U (IPS MiniLED) and Dell Alienware AW2721D (IPS) are not suitable for HDR video editing and color grading.
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How the CoolerMaster GP27U (IPS MiniLED) and the Dell Alienware AW2721D (IPS) compare to other monitors
Spec Comparison
 |  | |
| CoolerMaster GP27U (IPS MiniLED) | Dell Alienware AW2721D (IPS) |
GENERAL | |||
|---|---|---|---|
| Price | |||
$770 | $902 | ||
Screen Size | |||
Screen Size | 27" | 27" | |
Resolution | |||
Resolution | 3840 x 2160 | 2560 x 1440 | |
Screen Type | |||
Screen Type | MiniLED | LED | |
Screen Sub-type | |||
Screen Sub-type | IPS | IPS | |
Local Dimming Zones | |||
Local Dimming Zones | 576 | 32 | |
COLOR, CONTRAST & BRIGHTNESS | |||
|---|---|---|---|
Native Contrast | |||
Native Contrast | 1072:1 | 1088:1 | |
SDR Peak Brightness | |||
SDR Peak Brightness | 697 nits | 474 nits | |
HDR Peak Brightness | |||
HDR Peak Brightness | 1550 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 | 95.1 % | 136.9 % | |
MOTION CHARACTERISTICS | |||
|---|---|---|---|
Total Response Time | |||
Total Response Time | 6.2 ms | 7.1 ms | |
Variable Refresh Rate | |||
Variable Refresh Rate | 20 - 160 Hz | 20 - 240 Hz | |
Strobing / BFI | |||
Strobing / BFI | No | No | |
Persistence Blur Score | |||
Persistence Blur Score | 7/10 | 8/10 | |
Ghosting Score | |||
Ghosting Score | 8/10 | 7.9/10 | |
TEXT & IMAGE CLARITY | |||
|---|---|---|---|
Pixels Per Inch | |||
Pixels Per Inch | 163 PPI | 109 PPI | |
Coating | |||
Coating | Matte | Semi-Gloss | |
Text Clarity Score | |||
Text Clarity Score | 8/10 | 7/10 | |
Image Clarity Score | |||
Image Clarity Score | 8/10 | 7/10 | |
PORTS & CONNECTIVITY | |||
|---|---|---|---|
HDMI 1.4 Ports | |||
HDMI 1.4 Ports | 0 | 0 | |
HDMI 2.0 Ports | |||
HDMI 2.0 Ports | 0 | 2 | |
HDMI 2.1 Ports | |||
HDMI 2.1 Ports | 2 | 0 | |
Micro HDMI Ports | |||
Micro HDMI Ports | 0 | 0 | |
DisplayPort 1.2 Ports | |||
DisplayPort 1.2 Ports | 0 | 0 | |
Shopping
CoolerMaster GP27U (IPS MiniLED)
See more
Dig into reviews and images
Tom's Hardware
Christian Eberle | February 2023
"The Cooler Master Tempest GP27U leaves little to complain about. It delivers a stunning picture with high contrast, brightness, and vivid color. Professional-grade video processing means a superlative gaming experience. And it’s a little less expensive than the competition."
Dell Alienware AW2721D (IPS)
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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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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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