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What we think
The PerfectRec monitor team Learn more
Updated April 22, 2024·
If you prioritize a high-quality gaming experience with vibrant colors and excellent contrast, and don't mind a smaller screen and less space for multitasking, the MSI MAG 271QPX (QD-OLED) offers those features at a more approachable price. For those who prefer an expansive screen for immersive gaming and greater productivity space, the MSI MPG 491CQP (QD-OLED) provides a wider display, but at a premium cost. Keep in mind, though, the larger monitor has lower refresh rates which could affect competitive gaming performance. Both are excellent for HDR gaming and media, but for day-to-day productivity and multitasking, the bigger screen could be more beneficial. 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 271QPX (QD-OLED)
- Best in class for competitive gaming
- Best in class refresh rate
- Good image clarity
Advantages of the MSI MPG 491CQP (QD-OLED)
- The MSI MPG 491CQP (QD-OLED) has no clear advantages over the MSI MAG 271QPX (QD-OLED).
Key differences
Competitive Gaming
10.0
5.5
360Hz
REFRESH RATE
144Hz
0.0 ms
TOTAL RESPONSE TIME
0.0 ms
48 - 360 Hz
VARIABLE REFRESH RATE
48 - 144 Hz
No
STROBING / BFI
No
1000 nits
SDR PEAK BRIGHTNESS
1000 nits
The MSI MAG 271QPX (QD-OLED) is best in class for competitive gaming, while the MSI MPG 491CQP (QD-OLED) is poor.
Cost
$750
$1,100
$0
$500
$1,000
$1,500
$2,000
The MSI MAG 271QPX (QD-OLED) has a price of $750 and the MSI MPG 491CQP (QD-OLED) costs $1,100.
Key similarities
Casual Gaming
10.0
9.9
2560 x 1440
RESOLUTION
5120 x 1440
360Hz
REFRESH RATE
144Hz
Inf:1
NATIVE CONTRAST
Inf:1
1000 nits
SDR PEAK BRIGHTNESS
1000 nits
Unknown
HDR PEAK BRIGHTNESS
Unknown
99.1 %
DCI-P3 COLOR GAMUT
99.0 %
Matte
COATING
Matte
The MSI MAG 271QPX (QD-OLED) and MSI MPG 491CQP (QD-OLED) are both best in class for casual gaming.
Productivity
6.0
5.8
2560 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 MSI MAG 271QPX (QD-OLED) to be only fair for productivity, while the MSI MPG 491CQP (QD-OLED) is poor.
Media Consumption
9.8
9.8
2560 x 1440
RESOLUTION
5120 x 1440
Inf:1
NATIVE CONTRAST
Inf:1
1000 nits
SDR PEAK BRIGHTNESS
1000 nits
Unknown
HDR PEAK BRIGHTNESS
Unknown
Matte
COATING
Matte
The MSI MAG 271QPX (QD-OLED) and MSI MPG 491CQP (QD-OLED) are both best in class for media consumption.
HDR Gaming and Media Consumption
Yes
Yes
Both the MSI MAG 271QPX (QD-OLED) and MSI MPG 491CQP (QD-OLED) are suitable for HDR gaming and media consumption.
Digital Photo Editing
Yes
Yes
Both the MSI MAG 271QPX (QD-OLED) and MSI MPG 491CQP (QD-OLED) are suitable for digital photo editing.
HDR Video Editing and Color Grading
Yes
Yes
Both the MSI MAG 271QPX (QD-OLED) and MSI MPG 491CQP (QD-OLED) are suitable for HDR video editing and color grading.
Print Photo Editing
Yes
Yes
Both the MSI MAG 271QPX (QD-OLED) and MSI MPG 491CQP (QD-OLED) are suitable for print photo editing.
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We’re constantly working to improve.
How the MSI MAG 271QPX (QD-OLED) and the MSI MPG 491CQP (QD-OLED) compare to other monitors
Spec Comparison
 |  | |
| MSI MAG 271QPX (QD-OLED) | MSI MPG 491CQP (QD-OLED) |
GENERAL | |||
|---|---|---|---|
| Price | |||
$750 | $1,100 | ||
Screen Size | |||
Screen Size | 27" | 49" | |
Resolution | |||
Resolution | 2560 x 1440 | 5120 x 1440 | |
Screen Type | |||
Screen Type | OLED | OLED | |
Screen Sub-type | |||
Screen Sub-type | QD-OLED | QD-OLED | |
Refresh Rate | |||
Refresh Rate | 360Hz | 144Hz | |
COLOR, CONTRAST & BRIGHTNESS | |||
|---|---|---|---|
Native Contrast | |||
Native Contrast | Inf:1 | Inf:1 | |
SDR Peak Brightness | |||
SDR Peak Brightness | 1000 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 | Yes | Yes | |
sRGB Color Gamut | |||
sRGB Color Gamut | 138.4 % | 146 % | |
MOTION CHARACTERISTICS | |||
|---|---|---|---|
Total Response Time | |||
Total Response Time | 0.03 ms | 0.03 ms | |
Variable Refresh Rate | |||
Variable Refresh Rate | 48 - 360 Hz | 48 - 144 Hz | |
Strobing / BFI | |||
Strobing / BFI | No | No | |
Persistence Blur Score | |||
Persistence Blur Score | 9.5/10 | 6.6/10 | |
Ghosting Score | |||
Ghosting Score | 10/10 | 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 | 6.6/10 | 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 | 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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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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