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What we think
The PerfectRec monitor team Learn more
Updated April 11, 2024·
If you prioritize high resolution for detailed images and activities like photo editing, the CoolerMaster GP27U with its 4K display is an excellent choice. However, if you're more into competitive gaming, the Corsair Xeneon 27QHD240’s higher refresh rate and superior motion handling will offer a smoother experience. For productivity and general media consumption, CoolerMaster provides a larger color volume and higher brightness, which translates to vibrant and clear visuals. Conversely, Corsair's OLED panel presents infinite contrast and true blacks, ideal for HDR content and gaming, yet its lower brightness may not be as suited for well-lit environments. 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)
- Best in class for productivity
- Very good for media consumption
- Very good text clarity
- Very good image clarity
- Very good brightness
- Very good color volume
Advantages of the Corsair Xeneon 27QHD240 (W-OLED)
- Best in class for casual gaming
- Very good for competitive gaming
- Very good refresh rate
- Best in class contrast
- Best in class response time
Key differences
Casual Gaming
8.0
9.5
3840 x 2160
RESOLUTION
2560 x 1440
160Hz
REFRESH RATE
240Hz
1072:1
NATIVE CONTRAST
Inf:1
697 nits
SDR PEAK BRIGHTNESS
113 nits
1550 nits
HDR PEAK BRIGHTNESS
639 nits
N/A
DCI-P3 COLOR GAMUT
97.3 %
Matte
COATING
Matte
The Corsair Xeneon 27QHD240 (W-OLED) is best in class for casual gaming, while the CoolerMaster GP27U (IPS MiniLED) is very good.
Competitive Gaming
5.9
8.9
160Hz
REFRESH RATE
240Hz
6.2 ms
TOTAL RESPONSE TIME
1.1 ms
20 - 160 Hz
VARIABLE REFRESH RATE
20 - 240 Hz
No
STROBING / BFI
No
697 nits
SDR PEAK BRIGHTNESS
113 nits
The Corsair Xeneon 27QHD240 (W-OLED) is very good for competitive gaming, while the CoolerMaster GP27U (IPS MiniLED) is poor.
Productivity
9.8
5.7
3840 x 2160
RESOLUTION
2560 x 1440
163 PPI
PIXELS PER INCH
110 PPI
Yes
ADJUSTABLE STAND
Yes
Matte
COATING
Matte
The CoolerMaster GP27U (IPS MiniLED) is best in class for productivity, while the Corsair Xeneon 27QHD240 (W-OLED) is poor.
Cost
$770
$900
$400
$600
$800
$1,000
$1,200
$1,400
The CoolerMaster GP27U (IPS MiniLED) has a price of $770 and the Corsair Xeneon 27QHD240 (W-OLED) costs $900.
Digital Photo Editing
No
Yes
The CoolerMaster GP27U (IPS MiniLED) is not suitable for digital photo editing while the Corsair Xeneon 27QHD240 (W-OLED) is suitable for digital photo editing.
Print Photo Editing
Yes
No
The CoolerMaster GP27U (IPS MiniLED) is suitable for print photo editing while the Corsair Xeneon 27QHD240 (W-OLED) is not suitable for print photo editing.
Key similarities
Media Consumption
8.0
7.5
3840 x 2160
RESOLUTION
2560 x 1440
1072:1
NATIVE CONTRAST
Inf:1
697 nits
SDR PEAK BRIGHTNESS
113 nits
1550 nits
HDR PEAK BRIGHTNESS
639 nits
Matte
COATING
Matte
Although they have very similar scores, PerfectRec considers CoolerMaster GP27U (IPS MiniLED) to be very good for media consumption, while the Corsair Xeneon 27QHD240 (W-OLED) is good.
HDR Gaming and Media Consumption
Yes
Yes
Both the CoolerMaster GP27U (IPS MiniLED) and Corsair Xeneon 27QHD240 (W-OLED) are suitable for HDR gaming and media consumption.
HDR Video Editing and Color Grading
No
No
Both the CoolerMaster GP27U (IPS MiniLED) and Corsair Xeneon 27QHD240 (W-OLED) are not suitable for HDR video editing and color grading.
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How the CoolerMaster GP27U (IPS MiniLED) and the Corsair Xeneon 27QHD240 (W-OLED) compare to other monitors
Spec Comparison
 |  | |
| CoolerMaster GP27U (IPS MiniLED) | Corsair Xeneon 27QHD240 (W-OLED) |
GENERAL | |||
|---|---|---|---|
| Price | |||
$770 | $900 | ||
Screen Size | |||
Screen Size | 27" | 27" | |
Resolution | |||
Resolution | 3840 x 2160 | 2560 x 1440 | |
Screen Type | |||
Screen Type | MiniLED | OLED | |
Screen Sub-type | |||
Screen Sub-type | IPS | W-OLED | |
Local Dimming Zones | |||
Local Dimming Zones | 576 | N/A | |
COLOR, CONTRAST & BRIGHTNESS | |||
|---|---|---|---|
Native Contrast | |||
Native Contrast | 1072:1 | Inf:1 | |
SDR Peak Brightness | |||
SDR Peak Brightness | 697 nits | 113 nits | |
HDR Peak Brightness | |||
HDR Peak Brightness | 1550 nits | 639 nits | |
Suitable for HDR Gaming and Media Consumption | |||
Suitable for HDR Gaming and Media Consumption | Yes | Yes | |
sRGB Color Gamut | |||
sRGB Color Gamut | 95.1 % | 100 % | |
MOTION CHARACTERISTICS | |||
|---|---|---|---|
Total Response Time | |||
Total Response Time | 6.2 ms | 1.1 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 | 9.6/10 | |
TEXT & IMAGE CLARITY | |||
|---|---|---|---|
Pixels Per Inch | |||
Pixels Per Inch | 163 PPI | 110 PPI | |
Coating | |||
Coating | Matte | Matte | |
Text Clarity Score | |||
Text Clarity Score | 8/10 | 6.6/10 | |
Image Clarity Score | |||
Image Clarity Score | 8/10 | 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 | |
Shopping
CoolerMaster GP27U (IPS MiniLED)
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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."
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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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