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What we think
The PerfectRec monitor team Learn more
Updated April 22, 2024·
If your budget is tight and you primarily focus on general use and productivity with a widescreen experience, the LG 34WQ75C would serve you well without breaking the bank. However, if you're an enthusiast willing to invest in top-tier color accuracy and contrast for HDR gaming, media consumption, and professional color work, the MSI MPG 491CQP's superior color performance and wider screen may justify its higher cost. Keep in mind, though, the MSI might not be as well-suited for competitive gaming due to its potentially slower response time compared to other high-end gaming monitors. 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 LG 34WQ75C (IPS)
- Good text clarity
- Good image clarity
Advantages of the MSI MPG 491CQP (QD-OLED)
- Best in class for casual gaming
- Best in class for media consumption
- Best in class contrast
- Best in class brightness
- Best in class color volume
- Best in class response time
Key differences
Casual Gaming
5.8
9.9
3440 x 1440
RESOLUTION
5120 x 1440
60Hz
REFRESH RATE
144Hz
1000:1
NATIVE CONTRAST
Inf:1
300 nits
SDR PEAK BRIGHTNESS
1000 nits
Unknown
HDR PEAK BRIGHTNESS
Unknown
85.0 %
DCI-P3 COLOR GAMUT
99.0 %
Matte
COATING
Matte
The MSI MPG 491CQP (QD-OLED) is best in class for casual gaming, while the LG 34WQ75C (IPS) is poor.
Competitive Gaming
3.8
5.5
60Hz
REFRESH RATE
144Hz
5.0 ms
TOTAL RESPONSE TIME
0.0 ms
N/A
VARIABLE REFRESH RATE
48 - 144 Hz
No
STROBING / BFI
No
300 nits
SDR PEAK BRIGHTNESS
1000 nits
The MSI MPG 491CQP (QD-OLED) and LG 34WQ75C (IPS) are both poor for competitive gaming, though the MSI MPG 491CQP (QD-OLED) is somewhat better.
Media Consumption
5.9
9.8
3440 x 1440
RESOLUTION
5120 x 1440
1000:1
NATIVE CONTRAST
Inf:1
300 nits
SDR PEAK BRIGHTNESS
1000 nits
Unknown
HDR PEAK BRIGHTNESS
Unknown
Matte
COATING
Matte
The MSI MPG 491CQP (QD-OLED) is best in class for media consumption, while the LG 34WQ75C (IPS) is poor.
Cost
$600
$1,100
$0
$500
$1,000
$1,500
$2,000
The LG 34WQ75C (IPS) has a price of $600 and the MSI MPG 491CQP (QD-OLED) costs $1,100.
HDR Gaming and Media Consumption
No
Yes
The LG 34WQ75C (IPS) is not suitable for HDR gaming and media consumption while the MSI MPG 491CQP (QD-OLED) is suitable for HDR gaming and media consumption.
Digital Photo Editing
No
Yes
The LG 34WQ75C (IPS) is not suitable for digital photo editing while the MSI MPG 491CQP (QD-OLED) is suitable for digital photo editing.
HDR Video Editing and Color Grading
No
Yes
The LG 34WQ75C (IPS) is not suitable for HDR video editing and color grading while the MSI MPG 491CQP (QD-OLED) is suitable for HDR video editing and color grading.
Key similarities
Productivity
6.0
5.8
3440 x 1440
RESOLUTION
5120 x 1440
110 PPI
PIXELS PER INCH
108 PPI
Yes
ADJUSTABLE STAND
Yes
Matte
COATING
Matte
Although they have very similar scores, PerfectRec considers LG 34WQ75C (IPS) to be only fair for productivity, while the MSI MPG 491CQP (QD-OLED) is poor.
Print Photo Editing
Yes
Yes
Both the LG 34WQ75C (IPS) and MSI MPG 491CQP (QD-OLED) are suitable for print photo editing.
Give feedback
We’re constantly working to improve.
How the LG 34WQ75C (IPS) and the MSI MPG 491CQP (QD-OLED) compare to other monitors
Spec Comparison
 |  | |
| LG 34WQ75C (IPS) | MSI MPG 491CQP (QD-OLED) |
GENERAL | |||
|---|---|---|---|
| Price | |||
$600 | $1,100 | ||
Screen Size | |||
Screen Size | 34" | 49" | |
Resolution | |||
Resolution | 3440 x 1440 | 5120 x 1440 | |
Screen Type | |||
Screen Type | LED | OLED | |
Screen Sub-type | |||
Screen Sub-type | IPS | QD-OLED | |
Refresh Rate | |||
Refresh Rate | 60Hz | 144Hz | |
COLOR, CONTRAST & BRIGHTNESS | |||
|---|---|---|---|
Native Contrast | |||
Native Contrast | 1000:1 | Inf:1 | |
SDR Peak Brightness | |||
SDR Peak Brightness | 300 nits | 1000 nits | |
HDR Peak Brightness | |||
HDR Peak Brightness | Unknown | Unknown | |
Suitable for HDR Gaming and Media Consumption | |||
Suitable for HDR Gaming and Media Consumption | No | Yes | |
sRGB Color Gamut | |||
sRGB Color Gamut | 99 % | 146 % | |
MOTION CHARACTERISTICS | |||
|---|---|---|---|
Total Response Time | |||
Total Response Time | 5 ms | 0.03 ms | |
Variable Refresh Rate | |||
Variable Refresh Rate | N/A | 48 - 144 Hz | |
Strobing / BFI | |||
Strobing / BFI | No | No | |
Persistence Blur Score | |||
Persistence Blur Score | 5/10 | 6.6/10 | |
Ghosting Score | |||
Ghosting Score | 8.2/10 | 10/10 | |
TEXT & IMAGE CLARITY | |||
|---|---|---|---|
Pixels Per Inch | |||
Pixels Per Inch | 110 PPI | 108 PPI | |
Coating | |||
Coating | Matte | Matte | |
Text Clarity Score | |||
Text Clarity Score | 7.1/10 | 6.6/10 | |
Image Clarity Score | |||
Image Clarity Score | 7.1/10 | 7/10 | |
PORTS & CONNECTIVITY | |||
|---|---|---|---|
HDMI 1.4 Ports | |||
HDMI 1.4 Ports | 0 | 0 | |
HDMI 2.0 Ports | |||
HDMI 2.0 Ports | 2 | 0 | |
HDMI 2.1 Ports | |||
HDMI 2.1 Ports | 0 | 2 | |
Micro HDMI Ports | |||
Micro HDMI Ports | 0 | 0 | |
DisplayPort 1.2 Ports | |||
DisplayPort 1.2 Ports | 0 | 0 | |
Give feedback
We're constantly perfecting our model
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Joe is an entrepreneur and lifelong electronics enthusiast with a Ph.D in Economics from the University of Michigan.
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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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