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What we think
The PerfectRec monitor team Learn more
Updated April 11, 2024·
If competitive gaming is your top priority and you're looking to save money, the BenQ XL2566K's higher refresh rate and excellent response times will be beneficial, although its image quality and resolution are lower, making it less ideal for media consumption and productivity. In contrast, the Dell Alienware AW3423DW offers a much better image clarity, higher resolution, and vibrant colors suitable for HDR gaming, media enjoyment, and creative work, but at a premium price. The curved, wider screen offers an immersive experience, yet may not be as critical for fast-paced gaming where the BenQ's performance excels. 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 BenQ XL2566K (TN)
- Excellent for competitive gaming
- Best in class refresh rate
Advantages of the Dell Alienware AW3423DW (QD-OLED)
- Best in class for casual gaming
- Best in class for media consumption
- Good image clarity
- Best in class contrast
- Best in class color volume
- Best in class response time
Key differences
Casual Gaming
5.9
9.5
1920 x 1080
RESOLUTION
3440 x 1440
360Hz
REFRESH RATE
175Hz
1131:1
NATIVE CONTRAST
Inf:1
303 nits
SDR PEAK BRIGHTNESS
243 nits
N/A
HDR PEAK BRIGHTNESS
474 nits
N/A
DCI-P3 COLOR GAMUT
99.4 %
Matte
COATING
Glossy
The Dell Alienware AW3423DW (QD-OLED) is best in class for casual gaming, while the BenQ XL2566K (TN) is poor.
Competitive Gaming
9.2
5.1
360Hz
REFRESH RATE
175Hz
5.2 ms
TOTAL RESPONSE TIME
1.4 ms
20 - 360 Hz
VARIABLE REFRESH RATE
20 - 175 Hz
Yes
STROBING / BFI
No
303 nits
SDR PEAK BRIGHTNESS
243 nits
The BenQ XL2566K (TN) is excellent for competitive gaming, while the Dell Alienware AW3423DW (QD-OLED) is poor.
Productivity
4.8
5.7
1920 x 1080
RESOLUTION
3440 x 1440
91 PPI
PIXELS PER INCH
110 PPI
Yes
ADJUSTABLE STAND
Yes
Matte
COATING
Glossy
The Dell Alienware AW3423DW (QD-OLED) and BenQ XL2566K (TN) are both poor for productivity, though the Dell Alienware AW3423DW (QD-OLED) is somewhat better.
Media Consumption
5.1
9.5
1920 x 1080
RESOLUTION
3440 x 1440
1131:1
NATIVE CONTRAST
Inf:1
303 nits
SDR PEAK BRIGHTNESS
243 nits
N/A
HDR PEAK BRIGHTNESS
474 nits
Matte
COATING
Glossy
The Dell Alienware AW3423DW (QD-OLED) is best in class for media consumption, while the BenQ XL2566K (TN) is poor.
Cost
$599
$870
$200
$400
$600
$800
$1,000
$1,200
$1,400
The BenQ XL2566K (TN) has a price of $599 and the Dell Alienware AW3423DW (QD-OLED) costs $870.
HDR Gaming and Media Consumption
No
Yes
The BenQ XL2566K (TN) is not suitable for HDR gaming and media consumption while the Dell Alienware AW3423DW (QD-OLED) is suitable for HDR gaming and media consumption.
Digital Photo Editing
No
Yes
The BenQ XL2566K (TN) is not suitable for digital photo editing while the Dell Alienware AW3423DW (QD-OLED) is suitable for digital photo editing.
Key similarities
HDR Video Editing and Color Grading
No
No
Both the BenQ XL2566K (TN) and Dell Alienware AW3423DW (QD-OLED) are not suitable for HDR video editing and color grading.
Print Photo Editing
No
No
Both the BenQ XL2566K (TN) and Dell Alienware AW3423DW (QD-OLED) are not suitable for print photo editing.
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We’re constantly working to improve.
How the BenQ XL2566K (TN) and the Dell Alienware AW3423DW (QD-OLED) compare to other monitors
Spec Comparison
 |  | |
| BenQ XL2566K (TN) | Dell Alienware AW3423DW (QD-OLED) |
GENERAL | |||
|---|---|---|---|
| Price | |||
$599 | $870 | ||
Screen Size | |||
Screen Size | 25" | 34" | |
Resolution | |||
Resolution | 1920 x 1080 | 3440 x 1440 | |
Screen Type | |||
Screen Type | LED | OLED | |
Screen Sub-type | |||
Screen Sub-type | TN | QD-OLED | |
Refresh Rate | |||
Refresh Rate | 360Hz | 175Hz | |
COLOR, CONTRAST & BRIGHTNESS | |||
|---|---|---|---|
Native Contrast | |||
Native Contrast | 1131:1 | Inf:1 | |
SDR Peak Brightness | |||
SDR Peak Brightness | 303 nits | 243 nits | |
HDR Peak Brightness | |||
HDR Peak Brightness | N/A | 474 nits | |
Suitable for HDR Gaming and Media Consumption | |||
Suitable for HDR Gaming and Media Consumption | No | Yes | |
sRGB Color Gamut | |||
sRGB Color Gamut | 96.5 % | 100 % | |
MOTION CHARACTERISTICS | |||
|---|---|---|---|
Total Response Time | |||
Total Response Time | 5.2 ms | 1.4 ms | |
Variable Refresh Rate | |||
Variable Refresh Rate | 20 - 360 Hz | 20 - 175 Hz | |
Strobing / BFI | |||
Strobing / BFI | Yes | No | |
Persistence Blur Score | |||
Persistence Blur Score | 9.5/10 | 7.2/10 | |
Ghosting Score | |||
Ghosting Score | 8.1/10 | 9.5/10 | |
TEXT & IMAGE CLARITY | |||
|---|---|---|---|
Pixels Per Inch | |||
Pixels Per Inch | 91 PPI | 110 PPI | |
Coating | |||
Coating | Matte | Glossy | |
Text Clarity Score | |||
Text Clarity Score | 6.1/10 | 6.6/10 | |
Image Clarity Score | |||
Image Clarity Score | 6.1/10 | 7.1/10 | |
PORTS & CONNECTIVITY | |||
|---|---|---|---|
HDMI 1.4 Ports | |||
HDMI 1.4 Ports | 0 | 0 | |
HDMI 2.0 Ports | |||
HDMI 2.0 Ports | 2 | 2 | |
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 | |
Shopping
BenQ XL2566K (TN)
See more
Dig into reviews and images
Tech Radar
Nick Ross | August 2023
"It’s not for everyone in the same way that a top fuel dragster isn’t everyone’s perfect daily driver. The BenQ Zowie XL2566K succeeds in delivering the fastest, sharpest and smoothest display for pro FPS players and that’s all it wanted to do. Its other limitations and premium price tag mean it’s a bespoke tool for a niche market, rather than another general gaming monitor for those who like playing games."
Dell Alienware AW3423DW (QD-OLED)
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Dig into reviews and images
Tom's Hardware
Christian Eberle | April 2022
"Alienware has brought the best display technology to the desktop with its AW3423DW. With infinite contrast and a huge color gamut, it boasts a stunning image with accurate color and no need for calibration. Gaming performance is superb with smooth motion processing and quick response. This monitor truly raises the bar."
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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.
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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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