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What we think
The PerfectRec monitor team Learn more
Updated April 11, 2024·
If you prioritize a high-quality display for HDR gaming and media consumption with better color accuracy, the CoolerMaster GP27U with its MiniLED technology is an excellent choice despite its premium price. On the other hand, if you are looking for a monitor with strong gaming performance that's more affordably priced and you can compromise on color accuracy and HDR quality, the Innocn 27G1S offers a very good competitive gaming experience. The CoolerMaster shines in productivity and has superior image clarity, but if these features are less critical to you and cost is a major factor, the Innocn is a cost-effective option. 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)
- Very good for casual gaming
- Best in class for productivity
- Very good for media consumption
- Very good text clarity
- Very good image clarity
- Very good contrast
- Very good brightness
- Very good color volume
Advantages of the Innocn 27G1S (VA)
- Very good for competitive gaming
- Very good refresh rate
Key differences
Casual Gaming
8.0
6.3
3840 x 2160
RESOLUTION
2560 x 1440
160Hz
REFRESH RATE
240Hz
1072:1
NATIVE CONTRAST
1000:1
697 nits
SDR PEAK BRIGHTNESS
300 nits
1550 nits
HDR PEAK BRIGHTNESS
300 nits
N/A
DCI-P3 COLOR GAMUT
96.0 %
Matte
COATING
Matte
The CoolerMaster GP27U (IPS MiniLED) is very good for casual gaming, while the Innocn 27G1S (VA) is only fair.
Competitive Gaming
5.9
8.0
160Hz
REFRESH RATE
240Hz
6.2 ms
TOTAL RESPONSE TIME
5.0 ms
20 - 160 Hz
VARIABLE REFRESH RATE
48 - 240 Hz
No
STROBING / BFI
No
697 nits
SDR PEAK BRIGHTNESS
300 nits
The Innocn 27G1S (VA) is very good for competitive gaming, while the CoolerMaster GP27U (IPS MiniLED) is poor.
Productivity
9.8
6.1
3840 x 2160
RESOLUTION
2560 x 1440
163 PPI
PIXELS PER INCH
108 PPI
Yes
ADJUSTABLE STAND
Yes
Matte
COATING
Matte
The CoolerMaster GP27U (IPS MiniLED) is best in class for productivity, while the Innocn 27G1S (VA) is only fair.
Media Consumption
8.0
6.0
3840 x 2160
RESOLUTION
2560 x 1440
1072:1
NATIVE CONTRAST
1000:1
697 nits
SDR PEAK BRIGHTNESS
300 nits
1550 nits
HDR PEAK BRIGHTNESS
300 nits
Matte
COATING
Matte
The CoolerMaster GP27U (IPS MiniLED) is very good for media consumption, while the Innocn 27G1S (VA) is only fair.
Cost
$770
$270
$0
$200
$400
$600
$800
$1,000
$1,200
The CoolerMaster GP27U (IPS MiniLED) has a price of $770 and the Innocn 27G1S (VA) costs $270.
HDR Gaming and Media Consumption
Yes
No
The CoolerMaster GP27U (IPS MiniLED) is suitable for HDR gaming and media consumption while the Innocn 27G1S (VA) is not suitable for HDR gaming and media consumption.
Print Photo Editing
Yes
No
The CoolerMaster GP27U (IPS MiniLED) is suitable for print photo editing while the Innocn 27G1S (VA) is not suitable for print photo editing.
Key similarities
Digital Photo Editing
No
No
Both the CoolerMaster GP27U (IPS MiniLED) and Innocn 27G1S (VA) are not suitable for digital photo editing.
HDR Video Editing and Color Grading
No
No
Both the CoolerMaster GP27U (IPS MiniLED) and Innocn 27G1S (VA) are not suitable for HDR video editing and color grading.
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We’re constantly working to improve.
How the CoolerMaster GP27U (IPS MiniLED) and the Innocn 27G1S (VA) compare to other monitors
Spec Comparison
 |  | |
| CoolerMaster GP27U (IPS MiniLED) | Innocn 27G1S (VA) |
GENERAL | |||
|---|---|---|---|
| Price | |||
$770 | $270 | ||
Screen Size | |||
Screen Size | 27" | 27" | |
Resolution | |||
Resolution | 3840 x 2160 | 2560 x 1440 | |
Screen Type | |||
Screen Type | MiniLED | LED | |
Screen Sub-type | |||
Screen Sub-type | IPS | VA | |
Local Dimming Zones | |||
Local Dimming Zones | 576 | N/A | |
COLOR, CONTRAST & BRIGHTNESS | |||
|---|---|---|---|
Native Contrast | |||
Native Contrast | 1072:1 | 1000:1 | |
SDR Peak Brightness | |||
SDR Peak Brightness | 697 nits | 300 nits | |
HDR Peak Brightness | |||
HDR Peak Brightness | 1550 nits | 300 nits | |
Suitable for HDR Gaming and Media Consumption | |||
Suitable for HDR Gaming and Media Consumption | Yes | No | |
sRGB Color Gamut | |||
sRGB Color Gamut | 95.1 % | 99 % | |
MOTION CHARACTERISTICS | |||
|---|---|---|---|
Total Response Time | |||
Total Response Time | 6.2 ms | 5 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 | 8.2/10 | |
TEXT & IMAGE CLARITY | |||
|---|---|---|---|
Pixels Per Inch | |||
Pixels Per Inch | 163 PPI | 108 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 | 0 | |
HDMI 2.1 Ports | |||
HDMI 2.1 Ports | 2 | 2 | |
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."
Innocn 27G1S (VA)
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Dig into reviews and images
Notebook Check
Allen Ngo | June 2023
"The monitor is a sweet spot for gamers who want something faster than 165 Hz while keeping the benefits of fast response times and relative affordability. The VA panel is now more competitive against many IPS options."
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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