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What we think
The PerfectRec monitor team Learn more
Updated April 22, 2024·
If you prioritize color accuracy and detail for tasks like digital photo editing or print photo editing, the Acer XB323U-GX with its IPS panel will serve you well. Alternatively, if you prefer an immersive experience for HDR gaming and media consumption with deep blacks and vibrant colors, the MSI MPG 491CQP’s QD-OLED technology is superior. Competitive gamers may lean towards the Acer for its higher refresh rate, while those who need a wider display for multitasking or enjoy panoramic gaming might prefer the MSI's ultra-wide screen. Both are premium options, but their strengths cater to different user needs. 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 Acer XB323U-GX (IPS)
- Very good refresh rate
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
5.9
9.9
2560 x 1440
RESOLUTION
5120 x 1440
270Hz
REFRESH RATE
144Hz
1000:1
NATIVE CONTRAST
Inf:1
400 nits
SDR PEAK BRIGHTNESS
1000 nits
600 nits
HDR PEAK BRIGHTNESS
Unknown
95.0 %
DCI-P3 COLOR GAMUT
99.0 %
Matte
COATING
Matte
The MSI MPG 491CQP (QD-OLED) is best in class for casual gaming, while the Acer XB323U-GX (IPS) is poor.
Productivity
4.8
5.8
2560 x 1440
RESOLUTION
5120 x 1440
91 PPI
PIXELS PER INCH
108 PPI
Yes
ADJUSTABLE STAND
Yes
Matte
COATING
Matte
The MSI MPG 491CQP (QD-OLED) and Acer XB323U-GX (IPS) are both poor for productivity, though the MSI MPG 491CQP (QD-OLED) is somewhat better.
Media Consumption
5.4
9.8
2560 x 1440
RESOLUTION
5120 x 1440
1000:1
NATIVE CONTRAST
Inf:1
400 nits
SDR PEAK BRIGHTNESS
1000 nits
600 nits
HDR PEAK BRIGHTNESS
Unknown
Matte
COATING
Matte
The MSI MPG 491CQP (QD-OLED) is best in class for media consumption, while the Acer XB323U-GX (IPS) is poor.
HDR Gaming and Media Consumption
No
Yes
The Acer XB323U-GX (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.
HDR Video Editing and Color Grading
No
Yes
The Acer XB323U-GX (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
Competitive Gaming
5.3
5.5
270Hz
REFRESH RATE
144Hz
8.0 ms
TOTAL RESPONSE TIME
0.0 ms
48 - 270 Hz
VARIABLE REFRESH RATE
48 - 144 Hz
Yes
STROBING / BFI
No
400 nits
SDR PEAK BRIGHTNESS
1000 nits
The MSI MPG 491CQP (QD-OLED) and Acer XB323U-GX (IPS) are both poor for competitive gaming.
Cost
$1,147
$1,100
$400
$600
$800
$1,000
$1,200
$1,400
$1,600
$1,800
The Acer XB323U-GX (IPS) has a price of $1,147 and the MSI MPG 491CQP (QD-OLED) costs $1,100.
Digital Photo Editing
Yes
Yes
Both the Acer XB323U-GX (IPS) and MSI MPG 491CQP (QD-OLED) are suitable for digital photo editing.
Print Photo Editing
Yes
Yes
Both the Acer XB323U-GX (IPS) and MSI MPG 491CQP (QD-OLED) are suitable for print photo editing.
Give feedback
We’re constantly working to improve.
How the Acer XB323U-GX (IPS) and the MSI MPG 491CQP (QD-OLED) compare to other monitors
Spec Comparison
 |  | |
| Acer XB323U-GX (IPS) | MSI MPG 491CQP (QD-OLED) |
GENERAL | |||
|---|---|---|---|
| Price | |||
$1,147 | $1,100 | ||
Screen Size | |||
Screen Size | 32" | 49" | |
Resolution | |||
Resolution | 2560 x 1440 | 5120 x 1440 | |
Screen Type | |||
Screen Type | LED | OLED | |
Screen Sub-type | |||
Screen Sub-type | IPS | QD-OLED | |
Local Dimming Zones | |||
Local Dimming Zones | 16 | N/A | |
COLOR, CONTRAST & BRIGHTNESS | |||
|---|---|---|---|
Native Contrast | |||
Native Contrast | 1000:1 | Inf:1 | |
SDR Peak Brightness | |||
SDR Peak Brightness | 400 nits | 1000 nits | |
HDR Peak Brightness | |||
HDR Peak Brightness | 600 nits | Unknown | |
Suitable for HDR Gaming and Media Consumption | |||
Suitable for HDR Gaming and Media Consumption | No | Yes | |
sRGB Color Gamut | |||
sRGB Color Gamut | 173.4 % | 146 % | |
MOTION CHARACTERISTICS | |||
|---|---|---|---|
Total Response Time | |||
Total Response Time | 8 ms | 0.03 ms | |
Variable Refresh Rate | |||
Variable Refresh Rate | 48 - 270 Hz | 48 - 144 Hz | |
Strobing / BFI | |||
Strobing / BFI | Yes | No | |
Persistence Blur Score | |||
Persistence Blur Score | 8.5/10 | 6.6/10 | |
Ghosting Score | |||
Ghosting Score | 7.6/10 | 10/10 | |
TEXT & IMAGE CLARITY | |||
|---|---|---|---|
Pixels Per Inch | |||
Pixels Per Inch | 91 PPI | 108 PPI | |
Coating | |||
Coating | Matte | Matte | |
Text Clarity Score | |||
Text Clarity Score | 6.1/10 | 6.6/10 | |
Image Clarity Score | |||
Image Clarity Score | 6.1/10 | 7/10 | |
PORTS & CONNECTIVITY | |||
|---|---|---|---|
HDMI 1.4 Ports | |||
HDMI 1.4 Ports | 0 | 0 | |
HDMI 2.0 Ports | |||
HDMI 2.0 Ports | 1 | 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 | 1 | 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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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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