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The PerfectRec monitor team Learn more
Updated April 22, 2024·
If exceptional image clarity, high resolution, and strong performance in HDR gaming and media consumption are crucial for you, and you don't mind spending more, the CoolerMaster GP27U could be the right choice. On the other hand, if you seek incredible contrast with deep blacks and vibrant colors for digital photo editing and HDR video editing, and you want to save some money, the Pixio PX277 OLED Max may suit you better, though it has a lower resolution and might not be ideal for productivity due to its coating that affects text clarity. For competitive gaming, both have very good refresh rates, but the Pixio has a slight edge in response time. 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 text clarity
- Very good image clarity
- Very good color volume
Advantages of the Pixio PX277 OLED Max (W-OLED)
- Best in class for casual gaming
- Best in class for competitive gaming
- Best in class for media consumption
- Very good refresh rate
- Best in class contrast
- Best in class brightness
- Best in class response time
Key differences
Casual Gaming
8.0
9.9
3840 x 2160
RESOLUTION
2560 x 1440
160Hz
REFRESH RATE
240Hz
1072:1
NATIVE CONTRAST
Inf:1
697 nits
SDR PEAK BRIGHTNESS
1000 nits
1550 nits
HDR PEAK BRIGHTNESS
Unknown
N/A
DCI-P3 COLOR GAMUT
98.8 %
Matte
COATING
Matte
The Pixio PX277 OLED Max (W-OLED) is best in class for casual gaming, while the CoolerMaster GP27U (IPS MiniLED) is very good.
Competitive Gaming
5.9
9.7
160Hz
REFRESH RATE
240Hz
6.2 ms
TOTAL RESPONSE TIME
0.0 ms
20 - 160 Hz
VARIABLE REFRESH RATE
48 - 240 Hz
No
STROBING / BFI
No
697 nits
SDR PEAK BRIGHTNESS
1000 nits
The Pixio PX277 OLED Max (W-OLED) is best in class for competitive gaming, while the CoolerMaster GP27U (IPS MiniLED) is poor.
Productivity
9.8
5.9
3840 x 2160
RESOLUTION
2560 x 1440
163 PPI
PIXELS PER INCH
109 PPI
Yes
ADJUSTABLE STAND
Yes
Matte
COATING
Matte
The CoolerMaster GP27U (IPS MiniLED) is best in class for productivity, while the Pixio PX277 OLED Max (W-OLED) is poor.
Media Consumption
8.0
9.5
3840 x 2160
RESOLUTION
2560 x 1440
1072:1
NATIVE CONTRAST
Inf:1
697 nits
SDR PEAK BRIGHTNESS
1000 nits
1550 nits
HDR PEAK BRIGHTNESS
Unknown
Matte
COATING
Matte
The Pixio PX277 OLED Max (W-OLED) is best in class for media consumption, while the CoolerMaster GP27U (IPS MiniLED) is very good.
Cost
$770
$700
$200
$400
$600
$800
$1,000
$1,200
The CoolerMaster GP27U (IPS MiniLED) has a price of $770 and the Pixio PX277 OLED Max (W-OLED) costs $700.
Digital Photo Editing
No
Yes
The CoolerMaster GP27U (IPS MiniLED) is not suitable for digital photo editing while the Pixio PX277 OLED Max (W-OLED) is suitable for digital photo editing.
HDR Video Editing and Color Grading
No
Yes
The CoolerMaster GP27U (IPS MiniLED) is not suitable for HDR video editing and color grading while the Pixio PX277 OLED Max (W-OLED) is suitable for HDR video editing and color grading.
Key similarities
HDR Gaming and Media Consumption
Yes
Yes
Both the CoolerMaster GP27U (IPS MiniLED) and Pixio PX277 OLED Max (W-OLED) are suitable for HDR gaming and media consumption.
Print Photo Editing
Yes
Yes
Both the CoolerMaster GP27U (IPS MiniLED) and Pixio PX277 OLED Max (W-OLED) are suitable for print photo editing.
Give feedback
We’re constantly working to improve.
How the CoolerMaster GP27U (IPS MiniLED) and the Pixio PX277 OLED Max (W-OLED) compare to other monitors
Spec Comparison
 |  | |
| CoolerMaster GP27U (IPS MiniLED) | Pixio PX277 OLED Max (W-OLED) |
GENERAL | |||
|---|---|---|---|
| Price | |||
$770 | $700 | ||
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 | 1000 nits | |
HDR Peak Brightness | |||
HDR Peak Brightness | 1550 nits | Unknown | |
Suitable for HDR Gaming and Media Consumption | |||
Suitable for HDR Gaming and Media Consumption | Yes | Yes | |
sRGB Color Gamut | |||
sRGB Color Gamut | 95.1 % | 137.3 % | |
MOTION CHARACTERISTICS | |||
|---|---|---|---|
Total Response Time | |||
Total Response Time | 6.2 ms | 0.03 ms | |
Variable Refresh Rate | |||
Variable Refresh Rate | 20 - 160 Hz | 48 - 240 Hz | |
Strobing / BFI | |||
Strobing / BFI | No | No | |
Persistence Blur Score | |||
Persistence Blur Score | 7/10 | 8/10 | |
Ghosting Score | |||
Ghosting Score | 8/10 | 10/10 | |
TEXT & IMAGE CLARITY | |||
|---|---|---|---|
Pixels Per Inch | |||
Pixels Per Inch | 163 PPI | 109 PPI | |
Coating | |||
Coating | Matte | Matte | |
Text Clarity Score | |||
Text Clarity Score | 8/10 | 6.6/10 | |
Image Clarity Score | |||
Image Clarity Score | 8/10 | 7/10 | |
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."
Give feedback
We're constantly perfecting our model
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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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