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What we think
The PerfectRec monitor team Learn more
Updated April 11, 2024·
The CoolerMaster GP27U offers a higher resolution which is excellent for productivity and sharper images, making it beneficial if you work with high-detail visuals or enjoy media with enhanced clarity. Its superior color accuracy suits print photo editing well. However, the KTC M27T20, while less expensive and sporting a lower screen resolution, offers a higher contrast ratio which is great for immersive media viewing and could provide a more pronounced depth in visuals for casual gaming. The tradeoff lies in the balance between resolution and contrast, as well as how much you value color precision for professional work against savings in cost. 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 brightness
Advantages of the KTC M27T20 (VA MiniLED)
- Best in class for casual gaming
- Excellent contrast
Key differences
Casual Gaming
8.0
9.5
3840 x 2160
RESOLUTION
2560 x 1440
160Hz
REFRESH RATE
165Hz
1072:1
NATIVE CONTRAST
4000:1
697 nits
SDR PEAK BRIGHTNESS
500 nits
1550 nits
HDR PEAK BRIGHTNESS
1200 nits
N/A
DCI-P3 COLOR GAMUT
93.0 %
Matte
COATING
Matte
The KTC M27T20 (VA MiniLED) is best in class for casual gaming, while the CoolerMaster GP27U (IPS MiniLED) is very good.
Productivity
9.8
7.1
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 KTC M27T20 (VA MiniLED) is good.
Media Consumption
8.0
8.6
3840 x 2160
RESOLUTION
2560 x 1440
1072:1
NATIVE CONTRAST
4000:1
697 nits
SDR PEAK BRIGHTNESS
500 nits
1550 nits
HDR PEAK BRIGHTNESS
1200 nits
Matte
COATING
Matte
The KTC M27T20 (VA MiniLED) and CoolerMaster GP27U (IPS MiniLED) are both very good for media consumption, though the KTC M27T20 (VA MiniLED) is somewhat better.
Cost
$770
$500
$200
$400
$600
$800
$1,000
$1,200
The CoolerMaster GP27U (IPS MiniLED) has a price of $770 and the KTC M27T20 (VA MiniLED) costs $500.
Key similarities
Competitive Gaming
5.9
6.1
160Hz
REFRESH RATE
165Hz
6.2 ms
TOTAL RESPONSE TIME
3.0 ms
20 - 160 Hz
VARIABLE REFRESH RATE
48 - 165 Hz
No
STROBING / BFI
No
697 nits
SDR PEAK BRIGHTNESS
500 nits
Although they have very similar scores, PerfectRec considers KTC M27T20 (VA MiniLED) to be only fair for competitive gaming, while the CoolerMaster GP27U (IPS MiniLED) is poor.
HDR Gaming and Media Consumption
Yes
Yes
Both the CoolerMaster GP27U (IPS MiniLED) and KTC M27T20 (VA MiniLED) are suitable for HDR gaming and media consumption.
Digital Photo Editing
No
No
Both the CoolerMaster GP27U (IPS MiniLED) and KTC M27T20 (VA MiniLED) are not suitable for digital photo editing.
HDR Video Editing and Color Grading
No
No
Both the CoolerMaster GP27U (IPS MiniLED) and KTC M27T20 (VA MiniLED) are not suitable for HDR video editing and color grading.
Print Photo Editing
Yes
Yes
Both the CoolerMaster GP27U (IPS MiniLED) and KTC M27T20 (VA MiniLED) are suitable for print photo editing.
Give feedback
We’re constantly working to improve.
How the CoolerMaster GP27U (IPS MiniLED) and the KTC M27T20 (VA MiniLED) compare to other monitors
Spec Comparison
 |  | |
| CoolerMaster GP27U (IPS MiniLED) | KTC M27T20 (VA MiniLED) |
GENERAL | |||
|---|---|---|---|
| Price | |||
$770 | $500 | ||
Screen Size | |||
Screen Size | 27" | 27" | |
Resolution | |||
Resolution | 3840 x 2160 | 2560 x 1440 | |
Screen Type | |||
Screen Type | MiniLED | MiniLED | |
Screen Sub-type | |||
Screen Sub-type | IPS | VA | |
Local Dimming Zones | |||
Local Dimming Zones | 576 | 576 | |
COLOR, CONTRAST & BRIGHTNESS | |||
|---|---|---|---|
Native Contrast | |||
Native Contrast | 1072:1 | 4000:1 | |
SDR Peak Brightness | |||
SDR Peak Brightness | 697 nits | 500 nits | |
HDR Peak Brightness | |||
HDR Peak Brightness | 1550 nits | 1200 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 % | 99 % | |
MOTION CHARACTERISTICS | |||
|---|---|---|---|
Total Response Time | |||
Total Response Time | 6.2 ms | 3 ms | |
Variable Refresh Rate | |||
Variable Refresh Rate | 20 - 160 Hz | 48 - 165 Hz | |
Strobing / BFI | |||
Strobing / BFI | No | No | |
Persistence Blur Score | |||
Persistence Blur Score | 7/10 | 7.1/10 | |
Ghosting Score | |||
Ghosting Score | 8/10 | 8.5/10 | |
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 | 7/10 | |
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."
KTC M27T20 (VA MiniLED)
See more
Dig into reviews and images
Notebook Check
Allen Ngo | March 2024
"The KTC M27T20 brings mini-LED and HDR1000 features to much more affordable price levels than before. It cuts some corners, however, and the settings require a lot of tuning for optimal colors and black levels."
Give feedback
We're constantly perfecting our model
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This information was produced and vetted by the PerfectRec monitors team. We are a product research and recommendation organization that meticulously reviews and evaluates the latest monitor information and makes it digestible for you.
By the numbers
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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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