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What we think
The PerfectRec monitor team Learn more
Updated April 23, 2024·
If you prioritize a monitor for productivity and media consumption with high image clarity and color accuracy, especially for print photo editing, the CoolerMaster GP27U could be a great choice. It also offers a respectable gaming experience. Alternatively, the Samsung Odyssey OLED G9 excels in HDR gaming with its wide color gamut and contrast, and it provides an immersive experience for media consumption due to its larger screen and aspect ratio, but it's not as well-suited for productivity tasks given its curved, ultra-wide design. Keep in mind that the Samsung monitor is typically more expensive, but if budget isn't a concern, its OLED technology offers deeper blacks and better contrast. 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
Advantages of the Samsung Odyssey OLED G9 G93SC (QD-OLED)
- Best in class for casual gaming
- Best in class for media consumption
- Very good refresh rate
- Best in class contrast
- Best in class brightness
- Best in class color volume
- Best in class response time
Key differences
Casual Gaming
8.0
9.9
3840 x 2160
RESOLUTION
5120 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
98.0 %
Matte
COATING
Glossy
The Samsung Odyssey OLED G9 G93SC (QD-OLED) is best in class for casual gaming, while the CoolerMaster GP27U (IPS MiniLED) is very good.
Competitive Gaming
5.9
6.7
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 Samsung Odyssey OLED G9 G93SC (QD-OLED) is only fair for competitive gaming, while the CoolerMaster GP27U (IPS MiniLED) is poor.
Productivity
9.8
5.9
3840 x 2160
RESOLUTION
5120 x 1440
163 PPI
PIXELS PER INCH
108 PPI
Yes
ADJUSTABLE STAND
Yes
Matte
COATING
Glossy
The CoolerMaster GP27U (IPS MiniLED) is best in class for productivity, while the Samsung Odyssey OLED G9 G93SC (QD-OLED) is poor.
Media Consumption
8.0
9.8
3840 x 2160
RESOLUTION
5120 x 1440
1072:1
NATIVE CONTRAST
Inf:1
697 nits
SDR PEAK BRIGHTNESS
1000 nits
1550 nits
HDR PEAK BRIGHTNESS
Unknown
Matte
COATING
Glossy
The Samsung Odyssey OLED G9 G93SC (QD-OLED) is best in class for media consumption, while the CoolerMaster GP27U (IPS MiniLED) is very good.
Cost
$770
$965
$400
$600
$800
$1,000
$1,200
$1,400
$1,600
The CoolerMaster GP27U (IPS MiniLED) has a price of $770 and the Samsung Odyssey OLED G9 G93SC (QD-OLED) costs $965.
Digital Photo Editing
No
Yes
The CoolerMaster GP27U (IPS MiniLED) is not suitable for digital photo editing while the Samsung Odyssey OLED G9 G93SC (QD-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 Samsung Odyssey OLED G9 G93SC (QD-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 Samsung Odyssey OLED G9 G93SC (QD-OLED) are suitable for HDR gaming and media consumption.
Print Photo Editing
Yes
Yes
Both the CoolerMaster GP27U (IPS MiniLED) and Samsung Odyssey OLED G9 G93SC (QD-OLED) are suitable for print photo editing.
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How the CoolerMaster GP27U (IPS MiniLED) and the Samsung Odyssey OLED G9 G93SC (QD-OLED) compare to other monitors
Spec Comparison
 |  | |
| CoolerMaster GP27U (IPS MiniLED) | Samsung Odyssey OLED G9 G93SC (QD-OLED) |
GENERAL | |||
|---|---|---|---|
| Price | |||
$770 | $965 | ||
Screen Size | |||
Screen Size | 27" | 49" | |
Resolution | |||
Resolution | 3840 x 2160 | 5120 x 1440 | |
Screen Type | |||
Screen Type | MiniLED | OLED | |
Screen Sub-type | |||
Screen Sub-type | IPS | QD-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 % | 100 % | |
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 | 108 PPI | |
Coating | |||
Coating | Matte | Glossy | |
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 | 0 | |
HDMI 2.1 Ports | |||
HDMI 2.1 Ports | 2 | 1 | |
Micro HDMI Ports | |||
Micro HDMI Ports | 0 | 1 | |
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.
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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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