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Company ProductName Specs
Company ProductName Specs
What we think
The PerfectRec monitor team Learn more
Updated April 12, 2024·
The Cooler Master GZ2711 with its OLED panel excels at casual and competitive gaming due to its very good refresh rate and virtually no ghosting, providing an immersive experience with deep blacks and high contrast. It's also suitable for HDR gaming and has good color coverage for photo editing. However, it's more expensive and less ideal for productivity due to lower text clarity. Conversely, the Dell S2721QS, while less suited for gaming with a poorer refresh rate and more ghosting, offers 4K resolution with very high text quality and image clarity at a cheaper price, making it a better option for productivity tasks and media consumption. If gaming and high contrast are your priorities and you're willing to invest more, go with the Cooler Master. If you're focused on sharp images, detailed work, and want to save money, pick the Dell. 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 Cooler Master GZ2711 (W-OLED)
- Best in class for casual gaming
- Best in class for competitive gaming
- Good for media consumption
- Very good refresh rate
- Best in class contrast
- Good brightness
- Best in class response time
Advantages of the Dell S2721QS (IPS)
- Good for productivity
- Very good text clarity
- Very good image clarity
Key differences
Casual Gaming
9.7
5.9
2560 x 1440
RESOLUTION
3840 x 2160
240Hz
REFRESH RATE
60Hz
Inf:1
NATIVE CONTRAST
1221:1
450 nits
SDR PEAK BRIGHTNESS
373 nits
Unknown
HDR PEAK BRIGHTNESS
386 nits
98.5 %
DCI-P3 COLOR GAMUT
85.2 %
Matte
COATING
Matte
The Cooler Master GZ2711 (W-OLED) is best in class for casual gaming, while the Dell S2721QS (IPS) is poor.
Competitive Gaming
9.6
4.9
240Hz
REFRESH RATE
60Hz
0.3 ms
TOTAL RESPONSE TIME
14.5 ms
48 - 240 Hz
VARIABLE REFRESH RATE
40 - 60 Hz
No
STROBING / BFI
No
450 nits
SDR PEAK BRIGHTNESS
373 nits
The Cooler Master GZ2711 (W-OLED) is best in class for competitive gaming, while the Dell S2721QS (IPS) is poor.
Productivity
5.8
7.9
2560 x 1440
RESOLUTION
3840 x 2160
109 PPI
PIXELS PER INCH
164 PPI
Yes
ADJUSTABLE STAND
Yes
Matte
COATING
Matte
The Dell S2721QS (IPS) is good for productivity, while the Cooler Master GZ2711 (W-OLED) is poor.
Media Consumption
7.9
6.7
2560 x 1440
RESOLUTION
3840 x 2160
Inf:1
NATIVE CONTRAST
1221:1
450 nits
SDR PEAK BRIGHTNESS
373 nits
Unknown
HDR PEAK BRIGHTNESS
386 nits
Matte
COATING
Matte
The Cooler Master GZ2711 (W-OLED) is good for media consumption, while the Dell S2721QS (IPS) is only fair.
Cost
$900
$230
$0
$200
$400
$600
$800
$1,000
$1,200
$1,400
The Cooler Master GZ2711 (W-OLED) has a price of $900 and the Dell S2721QS (IPS) costs $230.
HDR Gaming and Media Consumption
Yes
No
The Cooler Master GZ2711 (W-OLED) is suitable for HDR gaming and media consumption while the Dell S2721QS (IPS) is not suitable for HDR gaming and media consumption.
Print Photo Editing
Yes
No
The Cooler Master GZ2711 (W-OLED) is suitable for print photo editing while the Dell S2721QS (IPS) is not suitable for print photo editing.
Key similarities
Digital Photo Editing
Yes
Yes
Both the Cooler Master GZ2711 (W-OLED) and Dell S2721QS (IPS) are suitable for digital photo editing.
HDR Video Editing and Color Grading
No
No
Both the Cooler Master GZ2711 (W-OLED) and Dell S2721QS (IPS) are not suitable for HDR video editing and color grading.
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We’re constantly working to improve.
How the Cooler Master GZ2711 (W-OLED) and the Dell S2721QS (IPS) compare to other monitors
Spec Comparison
 |  | |
| Cooler Master GZ2711 (W-OLED) | Dell S2721QS (IPS) |
GENERAL | |||
|---|---|---|---|
| Price | |||
$900 | $230 | ||
Screen Size | |||
Screen Size | 27" | 27" | |
Resolution | |||
Resolution | 2560 x 1440 | 3840 x 2160 | |
Screen Type | |||
Screen Type | OLED | LED | |
Screen Sub-type | |||
Screen Sub-type | W-OLED | IPS | |
Refresh Rate | |||
Refresh Rate | 240Hz | 60Hz | |
COLOR, CONTRAST & BRIGHTNESS | |||
|---|---|---|---|
Native Contrast | |||
Native Contrast | Inf:1 | 1221:1 | |
SDR Peak Brightness | |||
SDR Peak Brightness | 450 nits | 373 nits | |
HDR Peak Brightness | |||
HDR Peak Brightness | Unknown | 386 nits | |
Suitable for HDR Gaming and Media Consumption | |||
Suitable for HDR Gaming and Media Consumption | Yes | No | |
sRGB Color Gamut | |||
sRGB Color Gamut | 100 % | 100 % | |
MOTION CHARACTERISTICS | |||
|---|---|---|---|
Total Response Time | |||
Total Response Time | 0.3 ms | 14.5 ms | |
Variable Refresh Rate | |||
Variable Refresh Rate | 48 - 240 Hz | 40 - 60 Hz | |
Strobing / BFI | |||
Strobing / BFI | No | No | |
Persistence Blur Score | |||
Persistence Blur Score | 8/10 | 5/10 | |
Ghosting Score | |||
Ghosting Score | 9.9/10 | 6/10 | |
TEXT & IMAGE CLARITY | |||
|---|---|---|---|
Pixels Per Inch | |||
Pixels Per Inch | 109 PPI | 164 PPI | |
Coating | |||
Coating | Matte | Matte | |
Text Clarity Score | |||
Text Clarity Score | 6.6/10 | 8.1/10 | |
Image Clarity Score | |||
Image Clarity Score | 7/10 | 8.1/10 | |
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 | 1 | |
Shopping
Dell S2721QS (IPS)
See more
Dig into reviews and images
Tom's Hardware
Scharon Harding | September 2021
"The Dell S2721QS 4K monitor brings IPS-level colors and some handy features, like a versatile stand with height adjustments and picture-in-picture for connecting dual systems. But don’t get it for HDR."
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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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