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What we think
The PerfectRec monitor team Learn more
Updated April 11, 2024·
If you prioritize high refresh rates and excellent response times for the best gaming experience, the Acer X27U with its OLED panel is a superb choice. However, this monitor may not be the best for productivity due to its lower resolution and screen size. On the other hand, the Dell U3223QE offers a larger, sharper 4K screen which is great for productivity and media consumption, but with a lower refresh rate, it's less suited for competitive gaming. In terms of color accuracy for tasks like photo editing, both monitors are suitable. Choose Acer for a gaming-focused monitor or Dell for more screen real estate and crisper text for productivity. 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 X27U (W-OLED)
- Best in class for casual gaming
- Very good for competitive gaming
- Very good refresh rate
- Best in class contrast
- Best in class response time
Advantages of the Dell U3223QE (IPS Black)
- Good for productivity
- Good text clarity
- Good brightness
Key differences
Casual Gaming
9.5
6.2
2560 x 1440
RESOLUTION
3840 x 2160
240Hz
REFRESH RATE
60Hz
Inf:1
NATIVE CONTRAST
2104:1
211 nits
SDR PEAK BRIGHTNESS
400 nits
603 nits
HDR PEAK BRIGHTNESS
438 nits
95.5 %
DCI-P3 COLOR GAMUT
94.9 %
Matte
COATING
Semi-Gloss
The Acer X27U (W-OLED) is best in class for casual gaming, while the Dell U3223QE (IPS Black) is only fair.
Competitive Gaming
8.8
3.8
240Hz
REFRESH RATE
60Hz
1.4 ms
TOTAL RESPONSE TIME
24.3 ms
20 - 240 Hz
VARIABLE REFRESH RATE
N/A
No
STROBING / BFI
No
211 nits
SDR PEAK BRIGHTNESS
400 nits
The Acer X27U (W-OLED) is very good for competitive gaming, while the Dell U3223QE (IPS Black) is poor.
Productivity
5.8
7.9
2560 x 1440
RESOLUTION
3840 x 2160
111 PPI
PIXELS PER INCH
139 PPI
Yes
ADJUSTABLE STAND
Yes
Matte
COATING
Semi-Gloss
The Dell U3223QE (IPS Black) is good for productivity, while the Acer X27U (W-OLED) is poor.
Media Consumption
7.5
7.0
2560 x 1440
RESOLUTION
3840 x 2160
Inf:1
NATIVE CONTRAST
2104:1
211 nits
SDR PEAK BRIGHTNESS
400 nits
603 nits
HDR PEAK BRIGHTNESS
438 nits
Matte
COATING
Semi-Gloss
The Acer X27U (W-OLED) and Dell U3223QE (IPS Black) are both good for media consumption, though the Acer X27U (W-OLED) is somewhat better.
Cost
$1,000
$880
$400
$600
$800
$1,000
$1,200
$1,400
$1,600
The Acer X27U (W-OLED) has a price of $1,000 and the Dell U3223QE (IPS Black) costs $880.
HDR Gaming and Media Consumption
Yes
No
The Acer X27U (W-OLED) is suitable for HDR gaming and media consumption while the Dell U3223QE (IPS Black) is not suitable for HDR gaming and media consumption.
Key similarities
Digital Photo Editing
Yes
Yes
Both the Acer X27U (W-OLED) and Dell U3223QE (IPS Black) are suitable for digital photo editing.
HDR Video Editing and Color Grading
No
No
Both the Acer X27U (W-OLED) and Dell U3223QE (IPS Black) are not suitable for HDR video editing and color grading.
Print Photo Editing
No
No
Both the Acer X27U (W-OLED) and Dell U3223QE (IPS Black) are not suitable for print photo editing.
Give feedback
We’re constantly working to improve.
How the Acer X27U (W-OLED) and the Dell U3223QE (IPS Black) compare to other monitors
Spec Comparison
 |  | |
| Acer X27U (W-OLED) | Dell U3223QE (IPS Black) |
GENERAL | |||
|---|---|---|---|
| Price | |||
$1,000 | $880 | ||
Screen Size | |||
Screen Size | 27" | 32" | |
Resolution | |||
Resolution | 2560 x 1440 | 3840 x 2160 | |
Screen Type | |||
Screen Type | OLED | LED | |
Screen Sub-type | |||
Screen Sub-type | W-OLED | IPS Black | |
Local Dimming Zones | |||
Local Dimming Zones | N/A | 8 | |
COLOR, CONTRAST & BRIGHTNESS | |||
|---|---|---|---|
Native Contrast | |||
Native Contrast | Inf:1 | 2104:1 | |
SDR Peak Brightness | |||
SDR Peak Brightness | 211 nits | 400 nits | |
HDR Peak Brightness | |||
HDR Peak Brightness | 603 nits | 438 nits | |
Suitable for HDR Gaming and Media Consumption | |||
Suitable for HDR Gaming and Media Consumption | Yes | No | |
sRGB Color Gamut | |||
sRGB Color Gamut | 100 % | 100 % | |
MOTION CHARACTERISTICS | |||
|---|---|---|---|
Total Response Time | |||
Total Response Time | 1.4 ms | 24.3 ms | |
Variable Refresh Rate | |||
Variable Refresh Rate | 20 - 240 Hz | N/A | |
Strobing / BFI | |||
Strobing / BFI | No | No | |
Persistence Blur Score | |||
Persistence Blur Score | 8/10 | 5/10 | |
Ghosting Score | |||
Ghosting Score | 9.5/10 | 5.9/10 | |
TEXT & IMAGE CLARITY | |||
|---|---|---|---|
Pixels Per Inch | |||
Pixels Per Inch | 111 PPI | 139 PPI | |
Coating | |||
Coating | Matte | Semi-Gloss | |
Text Clarity Score | |||
Text Clarity Score | 6.7/10 | 7.9/10 | |
Image Clarity Score | |||
Image Clarity Score | 7.2/10 | 7.9/10 | |
PORTS & CONNECTIVITY | |||
|---|---|---|---|
HDMI 1.4 Ports | |||
HDMI 1.4 Ports | 0 | 0 | |
HDMI 2.0 Ports | |||
HDMI 2.0 Ports | 2 | 1 | |
HDMI 2.1 Ports | |||
HDMI 2.1 Ports | 0 | 0 | |
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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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.
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