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What we think
The PerfectRec monitor team Learn more
Updated April 11, 2024·
If competitive gaming is your top priority, both monitors offer very good refresh rates and response times. For more serious gamers, the Cooler Master’s wider variable refresh rate range could offer a smoother experience. On the other hand, if you're interested in HDR gaming and media with brighter highlights, the Corsair with its higher HDR peak brightness may enhance your experience. For creative professionals who value color accuracy for tasks like digital photo editing and print, both monitors will serve well, but the Cooler Master provides slightly better coverage of the P3 color space, which is useful for video work. If you require many USB ports for connectivity, the Corsair has a significant advantage. The choice between the two would balance your preference for gaming nuances or brighter HDR and connectivity options. 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 competitive gaming
- Good brightness
Advantages of the Corsair Xeneon 27QHD240 (W-OLED)
- The Corsair Xeneon 27QHD240 (W-OLED) has no clear advantages over the Cooler Master GZ2711 (W-OLED).
Key differences
Competitive Gaming
9.6
8.9
240Hz
REFRESH RATE
240Hz
0.3 ms
TOTAL RESPONSE TIME
1.1 ms
48 - 240 Hz
VARIABLE REFRESH RATE
20 - 240 Hz
No
STROBING / BFI
No
450 nits
SDR PEAK BRIGHTNESS
113 nits
The Cooler Master GZ2711 (W-OLED) is best in class for competitive gaming, while the Corsair Xeneon 27QHD240 (W-OLED) is very good.
Print Photo Editing
Yes
No
The Cooler Master GZ2711 (W-OLED) is suitable for print photo editing while the Corsair Xeneon 27QHD240 (W-OLED) is not suitable for print photo editing.
Key similarities
Casual Gaming
9.7
9.5
2560 x 1440
RESOLUTION
2560 x 1440
240Hz
REFRESH RATE
240Hz
Inf:1
NATIVE CONTRAST
Inf:1
450 nits
SDR PEAK BRIGHTNESS
113 nits
Unknown
HDR PEAK BRIGHTNESS
639 nits
98.5 %
DCI-P3 COLOR GAMUT
97.3 %
Matte
COATING
Matte
The Cooler Master GZ2711 (W-OLED) and Corsair Xeneon 27QHD240 (W-OLED) are both best in class for casual gaming.
Productivity
5.8
5.7
2560 x 1440
RESOLUTION
2560 x 1440
109 PPI
PIXELS PER INCH
110 PPI
Yes
ADJUSTABLE STAND
Yes
Matte
COATING
Matte
The Cooler Master GZ2711 (W-OLED) and Corsair Xeneon 27QHD240 (W-OLED) are both poor for productivity.
Media Consumption
7.9
7.5
2560 x 1440
RESOLUTION
2560 x 1440
Inf:1
NATIVE CONTRAST
Inf:1
450 nits
SDR PEAK BRIGHTNESS
113 nits
Unknown
HDR PEAK BRIGHTNESS
639 nits
Matte
COATING
Matte
The Cooler Master GZ2711 (W-OLED) and Corsair Xeneon 27QHD240 (W-OLED) are both good for media consumption.
Cost
$900
$900
$400
$600
$800
$1,000
$1,200
$1,400
The Cooler Master GZ2711 (W-OLED) has a price of $900 and the Corsair Xeneon 27QHD240 (W-OLED) costs $900.
HDR Gaming and Media Consumption
Yes
Yes
Both the Cooler Master GZ2711 (W-OLED) and Corsair Xeneon 27QHD240 (W-OLED) are suitable for HDR gaming and media consumption.
Digital Photo Editing
Yes
Yes
Both the Cooler Master GZ2711 (W-OLED) and Corsair Xeneon 27QHD240 (W-OLED) are suitable for digital photo editing.
HDR Video Editing and Color Grading
No
No
Both the Cooler Master GZ2711 (W-OLED) and Corsair Xeneon 27QHD240 (W-OLED) are not suitable for HDR video editing and color grading.
Give feedback
We’re constantly working to improve.
How the Cooler Master GZ2711 (W-OLED) and the Corsair Xeneon 27QHD240 (W-OLED) compare to other monitors
Spec Comparison
 |  | |
| Cooler Master GZ2711 (W-OLED) | Corsair Xeneon 27QHD240 (W-OLED) |
GENERAL | |||
|---|---|---|---|
| Price | |||
$900 | $900 | ||
Screen Size | |||
Screen Size | 27" | 27" | |
Resolution | |||
Resolution | 2560 x 1440 | 2560 x 1440 | |
Screen Type | |||
Screen Type | OLED | OLED | |
Screen Sub-type | |||
Screen Sub-type | W-OLED | W-OLED | |
Refresh Rate | |||
Refresh Rate | 240Hz | 240Hz | |
COLOR, CONTRAST & BRIGHTNESS | |||
|---|---|---|---|
Native Contrast | |||
Native Contrast | Inf:1 | Inf:1 | |
SDR Peak Brightness | |||
SDR Peak Brightness | 450 nits | 113 nits | |
HDR Peak Brightness | |||
HDR Peak Brightness | Unknown | 639 nits | |
Suitable for HDR Gaming and Media Consumption | |||
Suitable for HDR Gaming and Media Consumption | Yes | Yes | |
sRGB Color Gamut | |||
sRGB Color Gamut | 100 % | 100 % | |
MOTION CHARACTERISTICS | |||
|---|---|---|---|
Total Response Time | |||
Total Response Time | 0.3 ms | 1.1 ms | |
Variable Refresh Rate | |||
Variable Refresh Rate | 48 - 240 Hz | 20 - 240 Hz | |
Strobing / BFI | |||
Strobing / BFI | No | No | |
Persistence Blur Score | |||
Persistence Blur Score | 8/10 | 8/10 | |
Ghosting Score | |||
Ghosting Score | 9.9/10 | 9.6/10 | |
TEXT & IMAGE CLARITY | |||
|---|---|---|---|
Pixels Per Inch | |||
Pixels Per Inch | 109 PPI | 110 PPI | |
Coating | |||
Coating | Matte | Matte | |
Text Clarity Score | |||
Text Clarity Score | 6.6/10 | 6.6/10 | |
Image Clarity Score | |||
Image Clarity Score | 7/10 | 7.1/10 | |
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 | 0 | |
Give feedback
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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.
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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.
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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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