A comparison of specs, key information, reviews, and best pricing from top retailers
Last updated -- hours ago | Report incorrect information
Company ProductName Specs
Company ProductName Specs
What we think
The PerfectRec monitor team Learn more
Updated April 23, 2024·
If you're a competitive gamer, the Acer Predator X45's ultrawide aspect ratio can give an immersive experience with a larger screen, but if you are focused on productivity or high-resolution media consumption, the MSI MAG 321UPX has a higher screen resolution and better image clarity, making it a better value if you need crisp visuals for detailed work or enjoying 4K content. Both monitors offer deep blacks and vibrant colors, making them great for HDR gaming and media, but the MSI's higher pixels per inch also mean sharper text and images, beneficial for tasks like digital photo editing. However, the Acer's larger screen size may provide a more commanding view for gaming or multitasking. 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 Predator X45 (W-OLED)
- The Acer Predator X45 (W-OLED) has no clear advantages over the MSI MAG 321UPX (QD-OLED).
Advantages of the MSI MAG 321UPX (QD-OLED)
- Good for productivity
- Best in class for media consumption
- Good image clarity
- Best in class color volume
Key differences
Productivity
4.0
7.6
3440 x 1440
RESOLUTION
3840 x 2160
83 PPI
PIXELS PER INCH
139 PPI
Yes
ADJUSTABLE STAND
Yes
Matte
COATING
Matte
The MSI MAG 321UPX (QD-OLED) is good for productivity, while the Acer Predator X45 (W-OLED) is poor.
Media Consumption
7.1
10.0
3440 x 1440
RESOLUTION
3840 x 2160
Inf:1
NATIVE CONTRAST
Inf:1
1000 nits
SDR PEAK BRIGHTNESS
1000 nits
Unknown
HDR PEAK BRIGHTNESS
Unknown
Matte
COATING
Matte
The MSI MAG 321UPX (QD-OLED) is best in class for media consumption, while the Acer Predator X45 (W-OLED) is good.
Cost
$1,200
$900
$400
$600
$800
$1,000
$1,200
$1,400
$1,600
$1,800
The Acer Predator X45 (W-OLED) has a price of $1,200 and the MSI MAG 321UPX (QD-OLED) costs $900.
Key similarities
Casual Gaming
9.8
9.9
3440 x 1440
RESOLUTION
3840 x 2160
240Hz
REFRESH RATE
240Hz
Inf:1
NATIVE CONTRAST
Inf:1
1000 nits
SDR PEAK BRIGHTNESS
1000 nits
Unknown
HDR PEAK BRIGHTNESS
Unknown
98.5 %
DCI-P3 COLOR GAMUT
99.0 %
Matte
COATING
Matte
The MSI MAG 321UPX (QD-OLED) and Acer Predator X45 (W-OLED) are both best in class for casual gaming.
Competitive Gaming
6.4
6.8
240Hz
REFRESH RATE
240Hz
0.0 ms
TOTAL RESPONSE TIME
0.0 ms
48 - 240 Hz
VARIABLE REFRESH RATE
48 - 240 Hz
No
STROBING / BFI
No
1000 nits
SDR PEAK BRIGHTNESS
1000 nits
The MSI MAG 321UPX (QD-OLED) and Acer Predator X45 (W-OLED) are both only fair for competitive gaming.
HDR Gaming and Media Consumption
Yes
Yes
Both the Acer Predator X45 (W-OLED) and MSI MAG 321UPX (QD-OLED) are suitable for HDR gaming and media consumption.
Digital Photo Editing
Yes
Yes
Both the Acer Predator X45 (W-OLED) and MSI MAG 321UPX (QD-OLED) are suitable for digital photo editing.
HDR Video Editing and Color Grading
Yes
Yes
Both the Acer Predator X45 (W-OLED) and MSI MAG 321UPX (QD-OLED) are suitable for HDR video editing and color grading.
Print Photo Editing
Yes
Yes
Both the Acer Predator X45 (W-OLED) and MSI MAG 321UPX (QD-OLED) are suitable for print photo editing.
Give feedback
We’re constantly working to improve.
How the Acer Predator X45 (W-OLED) and the MSI MAG 321UPX (QD-OLED) compare to other monitors
Spec Comparison
 |  | |
| Acer Predator X45 (W-OLED) | MSI MAG 321UPX (QD-OLED) |
GENERAL | |||
|---|---|---|---|
| Price | |||
$1,200 | $900 | ||
Screen Size | |||
Screen Size | 45" | 32" | |
Resolution | |||
Resolution | 3440 x 1440 | 3840 x 2160 | |
Screen Type | |||
Screen Type | OLED | OLED | |
Screen Sub-type | |||
Screen Sub-type | W-OLED | QD-OLED | |
Refresh Rate | |||
Refresh Rate | 240Hz | 240Hz | |
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 | Unknown | 138.2 % | |
MOTION CHARACTERISTICS | |||
|---|---|---|---|
Total Response Time | |||
Total Response Time | 0.01 ms | 0.03 ms | |
Variable Refresh Rate | |||
Variable Refresh Rate | 48 - 240 Hz | 48 - 240 Hz | |
Strobing / BFI | |||
Strobing / BFI | No | No | |
Persistence Blur Score | |||
Persistence Blur Score | 8/10 | 8/10 | |
Ghosting Score | |||
Ghosting Score | 10/10 | 10/10 | |
TEXT & IMAGE CLARITY | |||
|---|---|---|---|
Pixels Per Inch | |||
Pixels Per Inch | 83 PPI | 139 PPI | |
Coating | |||
Coating | Matte | Matte | |
Text Clarity Score | |||
Text Clarity Score | 3.8/10 | 6.9/10 | |
Image Clarity Score | |||
Image Clarity Score | 4.9/10 | 7.9/10 | |
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
More comparisons for you
Compare Acer Predator X45 (W-OLED) vs. Dell Alienware AW3225QF (QD-OLED)
VS
Compare Acer Predator X45 (W-OLED) vs. Samsung Odyssey OLED G9 G95SC (QD-OLED)
VS
Compare Acer Predator X45 (W-OLED) vs. Gigabyte FO32U2P (QD-OLED)
VS
Compare MSI MAG 321UPX (QD-OLED) vs. Dell Alienware AW3423DWF (QD-OLED)
VS
Compare MSI MAG 321UPX (QD-OLED) vs. Corsair Xeneon 27QHD240 (W-OLED)
VS
Compare MSI MAG 321UPX (QD-OLED) vs. Dell Alienware AW2725DF (QD-OLED)
VS
FAQs
Why trust us
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.
By the numbers
210
Monitors evaluated
10,500
Monitors stats compiled
15
Proprietary Monitors ratings developed
119,900
Recommendations made
17,985
Consumer hours saved
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.
Featured in
