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What we think
The PerfectRec monitor team Learn more
Updated April 22, 2024·
If you prioritize high dynamic range (HDR) performance and are engaged in tasks that benefit from high brightness and contrast, such as HDR gaming and media consumption, the CoolerMaster GP27U with MiniLED technology would be an excellent choice. Its higher refresh rate and variable refresh rate support also make it suitable for casual and competitive gaming. On the other hand, if you're more focused on professional color work, like digital photo editing, the Phillips 27E1N8900 with its OLED panel offers exceptionally high contrast and color accuracy that's preferable for those applications. Keep in mind that the Phillips' lower refresh rate might not be ideal for fast-paced gaming. Consider what you'll use the monitor for most when making your decision. 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
- Good refresh rate
- Very good text clarity
- Very good brightness
- Very good color volume
Advantages of the Phillips 27E1N8900 (W-OLED)
- Best in class for casual gaming
- Best in class for media consumption
- Best in class contrast
- Best in class response time
Key differences
Casual Gaming
8.0
9.7
3840 x 2160
RESOLUTION
3840 x 2160
160Hz
REFRESH RATE
60Hz
1072:1
NATIVE CONTRAST
Inf:1
697 nits
SDR PEAK BRIGHTNESS
540 nits
1550 nits
HDR PEAK BRIGHTNESS
Unknown
N/A
DCI-P3 COLOR GAMUT
99.7 %
Matte
COATING
Matte
The Phillips 27E1N8900 (W-OLED) is best in class for casual gaming, while the CoolerMaster GP27U (IPS MiniLED) is very good.
Productivity
9.8
6.9
3840 x 2160
RESOLUTION
3840 x 2160
163 PPI
PIXELS PER INCH
163 PPI
Yes
ADJUSTABLE STAND
Yes
Matte
COATING
Matte
The CoolerMaster GP27U (IPS MiniLED) is best in class for productivity, while the Phillips 27E1N8900 (W-OLED) is only fair.
Media Consumption
8.0
9.5
3840 x 2160
RESOLUTION
3840 x 2160
1072:1
NATIVE CONTRAST
Inf:1
697 nits
SDR PEAK BRIGHTNESS
540 nits
1550 nits
HDR PEAK BRIGHTNESS
Unknown
Matte
COATING
Matte
The Phillips 27E1N8900 (W-OLED) is best in class for media consumption, while the CoolerMaster GP27U (IPS MiniLED) is very good.
Digital Photo Editing
No
Yes
The CoolerMaster GP27U (IPS MiniLED) is not suitable for digital photo editing while the Phillips 27E1N8900 (W-OLED) is suitable for digital photo editing.
Key similarities
Competitive Gaming
5.9
5.9
160Hz
REFRESH RATE
60Hz
6.2 ms
TOTAL RESPONSE TIME
0.1 ms
20 - 160 Hz
VARIABLE REFRESH RATE
N/A
No
STROBING / BFI
No
697 nits
SDR PEAK BRIGHTNESS
540 nits
The CoolerMaster GP27U (IPS MiniLED) and Phillips 27E1N8900 (W-OLED) are both poor for competitive gaming.
Cost
$770
$800
$400
$600
$800
$1,000
$1,200
The CoolerMaster GP27U (IPS MiniLED) has a price of $770 and the Phillips 27E1N8900 (W-OLED) costs $800.
HDR Gaming and Media Consumption
Yes
Yes
Both the CoolerMaster GP27U (IPS MiniLED) and Phillips 27E1N8900 (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 Phillips 27E1N8900 (W-OLED) are not suitable for HDR video editing and color grading.
Print Photo Editing
Yes
Yes
Both the CoolerMaster GP27U (IPS MiniLED) and Phillips 27E1N8900 (W-OLED) are suitable for print photo editing.
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We’re constantly working to improve.
How the CoolerMaster GP27U (IPS MiniLED) and the Phillips 27E1N8900 (W-OLED) compare to other monitors
Spec Comparison
 |  | |
| CoolerMaster GP27U (IPS MiniLED) | Phillips 27E1N8900 (W-OLED) |
GENERAL | |||
|---|---|---|---|
| Price | |||
$770 | $800 | ||
Screen Size | |||
Screen Size | 27" | 27" | |
Resolution | |||
Resolution | 3840 x 2160 | 3840 x 2160 | |
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 | 540 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 % | 150 % | |
MOTION CHARACTERISTICS | |||
|---|---|---|---|
Total Response Time | |||
Total Response Time | 6.2 ms | 0.1 ms | |
Variable Refresh Rate | |||
Variable Refresh Rate | 20 - 160 Hz | N/A | |
Strobing / BFI | |||
Strobing / BFI | No | No | |
Persistence Blur Score | |||
Persistence Blur Score | 7/10 | 5/10 | |
Ghosting Score | |||
Ghosting Score | 8/10 | 10/10 | |
TEXT & IMAGE CLARITY | |||
|---|---|---|---|
Pixels Per Inch | |||
Pixels Per Inch | 163 PPI | 163 PPI | |
Coating | |||
Coating | Matte | Matte | |
Text Clarity Score | |||
Text Clarity Score | 8/10 | 6.9/10 | |
Image Clarity Score | |||
Image Clarity Score | 8/10 | 8/10 | |
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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