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What we think
The PerfectRec monitor team Learn more
Updated April 11, 2024·
If you prioritize high-end HDR gaming and media consumption with better contrast, brightness, and color performance, the CoolerMaster GP27U is a strong choice, albeit at a premium price. Its superior brightness and color gamut make it suitable for tasks requiring accurate color representation, like print photo editing. However, if cost is a concern and your focus is on productivity and a wider screen for multitasking, the less expensive LG 34GP83A offers a larger screen with an ultra-wide aspect ratio, though it falls short in HDR performance and color accuracy compared to the CoolerMaster. For casual gaming, both will perform well, but the CoolerMaster is better suited for competitive gaming due to its higher brightness and clarity. 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
- Good refresh rate
- Very good text clarity
- Very good image clarity
- Very good contrast
- Very good brightness
- Very good color volume
Advantages of the LG 34GP83A (IPS)
- The LG 34GP83A (IPS) has no clear advantages over the CoolerMaster GP27U (IPS MiniLED).
Key differences
Casual Gaming
8.0
5.9
3840 x 2160
RESOLUTION
3440 x 1440
160Hz
REFRESH RATE
144Hz
1072:1
NATIVE CONTRAST
956:1
697 nits
SDR PEAK BRIGHTNESS
389 nits
1550 nits
HDR PEAK BRIGHTNESS
457 nits
N/A
DCI-P3 COLOR GAMUT
95.2 %
Matte
COATING
Matte
The CoolerMaster GP27U (IPS MiniLED) is very good for casual gaming, while the LG 34GP83A (IPS) is poor.
Competitive Gaming
5.9
4.5
160Hz
REFRESH RATE
144Hz
6.2 ms
TOTAL RESPONSE TIME
6.1 ms
20 - 160 Hz
VARIABLE REFRESH RATE
20 - 160 Hz
No
STROBING / BFI
No
697 nits
SDR PEAK BRIGHTNESS
389 nits
The CoolerMaster GP27U (IPS MiniLED) and LG 34GP83A (IPS) are both poor for competitive gaming, though the CoolerMaster GP27U (IPS MiniLED) is somewhat better.
Productivity
9.8
6.0
3840 x 2160
RESOLUTION
3440 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 LG 34GP83A (IPS) is only fair.
Media Consumption
8.0
5.9
3840 x 2160
RESOLUTION
3440 x 1440
1072:1
NATIVE CONTRAST
956:1
697 nits
SDR PEAK BRIGHTNESS
389 nits
1550 nits
HDR PEAK BRIGHTNESS
457 nits
Matte
COATING
Matte
The CoolerMaster GP27U (IPS MiniLED) is very good for media consumption, while the LG 34GP83A (IPS) is poor.
HDR Gaming and Media Consumption
Yes
No
The CoolerMaster GP27U (IPS MiniLED) is suitable for HDR gaming and media consumption while the LG 34GP83A (IPS) is not suitable for HDR gaming and media consumption.
Digital Photo Editing
No
Yes
The CoolerMaster GP27U (IPS MiniLED) is not suitable for digital photo editing while the LG 34GP83A (IPS) is suitable for digital photo editing.
Print Photo Editing
Yes
No
The CoolerMaster GP27U (IPS MiniLED) is suitable for print photo editing while the LG 34GP83A (IPS) is not suitable for print photo editing.
Key similarities
Cost
$770
$750
$200
$400
$600
$800
$1,000
$1,200
The CoolerMaster GP27U (IPS MiniLED) has a price of $770 and the LG 34GP83A (IPS) costs $750.
HDR Video Editing and Color Grading
No
No
Both the CoolerMaster GP27U (IPS MiniLED) and LG 34GP83A (IPS) are not suitable for HDR video editing and color grading.
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How the CoolerMaster GP27U (IPS MiniLED) and the LG 34GP83A (IPS) compare to other monitors
Spec Comparison
 |  | |
| CoolerMaster GP27U (IPS MiniLED) | LG 34GP83A (IPS) |
GENERAL | |||
|---|---|---|---|
| Price | |||
$770 | $750 | ||
Screen Size | |||
Screen Size | 27" | 34" | |
Resolution | |||
Resolution | 3840 x 2160 | 3440 x 1440 | |
Screen Type | |||
Screen Type | MiniLED | LED | |
Screen Sub-type | |||
Screen Sub-type | IPS | IPS | |
Local Dimming Zones | |||
Local Dimming Zones | 576 | N/A | |
COLOR, CONTRAST & BRIGHTNESS | |||
|---|---|---|---|
Native Contrast | |||
Native Contrast | 1072:1 | 956:1 | |
SDR Peak Brightness | |||
SDR Peak Brightness | 697 nits | 389 nits | |
HDR Peak Brightness | |||
HDR Peak Brightness | 1550 nits | 457 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 % | 102.8 % | |
MOTION CHARACTERISTICS | |||
|---|---|---|---|
Total Response Time | |||
Total Response Time | 6.2 ms | 6.1 ms | |
Variable Refresh Rate | |||
Variable Refresh Rate | 20 - 160 Hz | 20 - 160 Hz | |
Strobing / BFI | |||
Strobing / BFI | No | No | |
Persistence Blur Score | |||
Persistence Blur Score | 7/10 | 6.6/10 | |
Ghosting Score | |||
Ghosting Score | 8/10 | 8.1/10 | |
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 | 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."
LG 34GP83A (IPS)
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Dig into reviews and images
Display Ninja
Rob Shafer | October 2023
"The LG 34GP83A is an excellent monitor for the price! It offers flawless performance thanks to its rapid response time, low input lag, high refresh rate, and certified G-SYNC compatibility. Moreover, its Nano IPS panel ensures vibrant colors which along with the 3440×1440 ultrawide resolution makes for a stunning and immersive viewing experience."
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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.
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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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