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What we think
The PerfectRec monitor team Learn more
Updated April 22, 2024·
If you prioritize a larger, widescreen format for immersive gaming and media experiences and can sacrifice some color accuracy and peak brightness, the MSI MEG 342C with its ultra-wide aspect ratio is a strong pick. However, if top-notch image clarity, high brightness for HDR content, and excellent color accuracy for tasks like photo editing are more important to you, and you're comfortable with a standard widescreen format, the MSI MAG 321UPX justifies its higher price. Both are great for gaming; choose based on whether your focus is competitive performance or a cinematic experience. 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 MSI MAG 321UPX (QD-OLED)
- Good for productivity
- Best in class for media consumption
- Very good refresh rate
- Best in class brightness
Advantages of the MSI MEG 342C (QD-OLED)
- The MSI MEG 342C (QD-OLED) has no clear advantages over the MSI MAG 321UPX (QD-OLED).
Key differences
Competitive Gaming
6.8
5.1
240Hz
REFRESH RATE
175Hz
0.0 ms
TOTAL RESPONSE TIME
1.4 ms
48 - 240 Hz
VARIABLE REFRESH RATE
20 - 175 Hz
No
STROBING / BFI
No
1000 nits
SDR PEAK BRIGHTNESS
236 nits
The MSI MAG 321UPX (QD-OLED) is only fair for competitive gaming, while the MSI MEG 342C (QD-OLED) is poor.
Productivity
7.6
5.7
3840 x 2160
RESOLUTION
3440 x 1440
139 PPI
PIXELS PER INCH
110 PPI
Yes
ADJUSTABLE STAND
Yes
Matte
COATING
Glossy
The MSI MAG 321UPX (QD-OLED) is good for productivity, while the MSI MEG 342C (QD-OLED) is poor.
Media Consumption
10.0
9.4
3840 x 2160
RESOLUTION
3440 x 1440
Inf:1
NATIVE CONTRAST
Inf:1
1000 nits
SDR PEAK BRIGHTNESS
236 nits
Unknown
HDR PEAK BRIGHTNESS
446 nits
Matte
COATING
Glossy
The MSI MAG 321UPX (QD-OLED) is best in class for media consumption, while the MSI MEG 342C (QD-OLED) is excellent.
Digital Photo Editing
Yes
No
The MSI MAG 321UPX (QD-OLED) is suitable for digital photo editing while the MSI MEG 342C (QD-OLED) is not suitable for digital photo editing.
HDR Video Editing and Color Grading
Yes
No
The MSI MAG 321UPX (QD-OLED) is suitable for HDR video editing and color grading while the MSI MEG 342C (QD-OLED) is not suitable for HDR video editing and color grading.
Key similarities
Casual Gaming
9.9
9.5
3840 x 2160
RESOLUTION
3440 x 1440
240Hz
REFRESH RATE
175Hz
Inf:1
NATIVE CONTRAST
Inf:1
1000 nits
SDR PEAK BRIGHTNESS
236 nits
Unknown
HDR PEAK BRIGHTNESS
446 nits
99.0 %
DCI-P3 COLOR GAMUT
99.5 %
Matte
COATING
Glossy
The MSI MAG 321UPX (QD-OLED) and MSI MEG 342C (QD-OLED) are both best in class for casual gaming.
Cost
$900
$850
$400
$600
$800
$1,000
$1,200
$1,400
The MSI MAG 321UPX (QD-OLED) has a price of $900 and the MSI MEG 342C (QD-OLED) costs $850.
HDR Gaming and Media Consumption
Yes
Yes
Both the MSI MAG 321UPX (QD-OLED) and MSI MEG 342C (QD-OLED) are suitable for HDR gaming and media consumption.
Print Photo Editing
Yes
Yes
Both the MSI MAG 321UPX (QD-OLED) and MSI MEG 342C (QD-OLED) are suitable for print photo editing.
Give feedback
We’re constantly working to improve.
How the MSI MAG 321UPX (QD-OLED) and the MSI MEG 342C (QD-OLED) compare to other monitors
Spec Comparison
 |  | |
| MSI MAG 321UPX (QD-OLED) | MSI MEG 342C (QD-OLED) |
GENERAL | |||
|---|---|---|---|
| Price | |||
$900 | $850 | ||
Screen Size | |||
Screen Size | 32" | 34" | |
Resolution | |||
Resolution | 3840 x 2160 | 3440 x 1440 | |
Screen Type | |||
Screen Type | OLED | OLED | |
Screen Sub-type | |||
Screen Sub-type | QD-OLED | QD-OLED | |
Refresh Rate | |||
Refresh Rate | 240Hz | 175Hz | |
COLOR, CONTRAST & BRIGHTNESS | |||
|---|---|---|---|
Native Contrast | |||
Native Contrast | Inf:1 | Inf:1 | |
SDR Peak Brightness | |||
SDR Peak Brightness | 1000 nits | 236 nits | |
HDR Peak Brightness | |||
HDR Peak Brightness | Unknown | 446 nits | |
Suitable for HDR Gaming and Media Consumption | |||
Suitable for HDR Gaming and Media Consumption | Yes | Yes | |
sRGB Color Gamut | |||
sRGB Color Gamut | 138.2 % | 98.9 % | |
MOTION CHARACTERISTICS | |||
|---|---|---|---|
Total Response Time | |||
Total Response Time | 0.03 ms | 1.4 ms | |
Variable Refresh Rate | |||
Variable Refresh Rate | 48 - 240 Hz | 20 - 175 Hz | |
Strobing / BFI | |||
Strobing / BFI | No | No | |
Persistence Blur Score | |||
Persistence Blur Score | 8/10 | 7.2/10 | |
Ghosting Score | |||
Ghosting Score | 10/10 | 9.5/10 | |
TEXT & IMAGE CLARITY | |||
|---|---|---|---|
Pixels Per Inch | |||
Pixels Per Inch | 139 PPI | 110 PPI | |
Coating | |||
Coating | Matte | Glossy | |
Text Clarity Score | |||
Text Clarity Score | 6.9/10 | 6.6/10 | |
Image Clarity Score | |||
Image Clarity Score | 7.9/10 | 7.1/10 | |
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 | |
Give feedback
We're constantly perfecting our model
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CEO and Monitors Editor
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
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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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