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The PerfectRec monitor team Learn more
Updated April 11, 2024·
If competitive gaming is your main focus, the Corsair Xeneon 27QHD240 with its superb response rates and variable refresh rate range might serve you well, though it may not deliver the best productivity experience due to a lower image clarity. On the other hand, the Dell Alienware AW3423DW offers a broader screen and better image clarity which can enhance both gaming immersion and productivity, but it may cost you more and has a lower maximum refresh rate. Both monitors excel in HDR gaming and media consumption with wide color gamuts, so if those are important, either option will satisfy, with the Dell providing a slightly larger color volume due to its different OLED technology. 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 Corsair Xeneon 27QHD240 (W-OLED)
- Very good for competitive gaming
- Very good refresh rate
Advantages of the Dell Alienware AW3423DW (QD-OLED)
- Best in class for media consumption
- Best in class color volume
Key differences
Competitive Gaming
8.9
5.1
240Hz
REFRESH RATE
175Hz
1.1 ms
TOTAL RESPONSE TIME
1.4 ms
20 - 240 Hz
VARIABLE REFRESH RATE
20 - 175 Hz
No
STROBING / BFI
No
113 nits
SDR PEAK BRIGHTNESS
243 nits
The Corsair Xeneon 27QHD240 (W-OLED) is very good for competitive gaming, while the Dell Alienware AW3423DW (QD-OLED) is poor.
Media Consumption
7.5
9.5
2560 x 1440
RESOLUTION
3440 x 1440
Inf:1
NATIVE CONTRAST
Inf:1
113 nits
SDR PEAK BRIGHTNESS
243 nits
639 nits
HDR PEAK BRIGHTNESS
474 nits
Matte
COATING
Glossy
The Dell Alienware AW3423DW (QD-OLED) is best in class for media consumption, while the Corsair Xeneon 27QHD240 (W-OLED) is good.
Key similarities
Casual Gaming
9.5
9.5
2560 x 1440
RESOLUTION
3440 x 1440
240Hz
REFRESH RATE
175Hz
Inf:1
NATIVE CONTRAST
Inf:1
113 nits
SDR PEAK BRIGHTNESS
243 nits
639 nits
HDR PEAK BRIGHTNESS
474 nits
97.3 %
DCI-P3 COLOR GAMUT
99.4 %
Matte
COATING
Glossy
The Dell Alienware AW3423DW (QD-OLED) and Corsair Xeneon 27QHD240 (W-OLED) are both best in class for casual gaming.
Productivity
5.7
5.7
2560 x 1440
RESOLUTION
3440 x 1440
110 PPI
PIXELS PER INCH
110 PPI
Yes
ADJUSTABLE STAND
Yes
Matte
COATING
Glossy
The Corsair Xeneon 27QHD240 (W-OLED) and Dell Alienware AW3423DW (QD-OLED) are both poor for productivity.
Cost
$900
$870
$400
$600
$800
$1,000
$1,200
$1,400
The Corsair Xeneon 27QHD240 (W-OLED) has a price of $900 and the Dell Alienware AW3423DW (QD-OLED) costs $870.
HDR Gaming and Media Consumption
Yes
Yes
Both the Corsair Xeneon 27QHD240 (W-OLED) and Dell Alienware AW3423DW (QD-OLED) are suitable for HDR gaming and media consumption.
Digital Photo Editing
Yes
Yes
Both the Corsair Xeneon 27QHD240 (W-OLED) and Dell Alienware AW3423DW (QD-OLED) are suitable for digital photo editing.
HDR Video Editing and Color Grading
No
No
Both the Corsair Xeneon 27QHD240 (W-OLED) and Dell Alienware AW3423DW (QD-OLED) are not suitable for HDR video editing and color grading.
Print Photo Editing
No
No
Both the Corsair Xeneon 27QHD240 (W-OLED) 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 Corsair Xeneon 27QHD240 (W-OLED) and the Dell Alienware AW3423DW (QD-OLED) compare to other monitors
Spec Comparison
 |  | |
| Corsair Xeneon 27QHD240 (W-OLED) | Dell Alienware AW3423DW (QD-OLED) |
GENERAL | |||
|---|---|---|---|
| Price | |||
$900 | $870 | ||
Screen Size | |||
Screen Size | 27" | 34" | |
Resolution | |||
Resolution | 2560 x 1440 | 3440 x 1440 | |
Screen Type | |||
Screen Type | OLED | OLED | |
Screen Sub-type | |||
Screen Sub-type | W-OLED | QD-OLED | |
Refresh Rate | |||
Refresh Rate | 240Hz | 175Hz | |
COLOR, CONTRAST & BRIGHTNESS | |||
|---|---|---|---|
Native Contrast | |||
Native Contrast | Inf:1 | Inf:1 | |
SDR Peak Brightness | |||
SDR Peak Brightness | 113 nits | 243 nits | |
HDR Peak Brightness | |||
HDR Peak Brightness | 639 nits | 474 nits | |
Suitable for HDR Gaming and Media Consumption | |||
Suitable for HDR Gaming and Media Consumption | Yes | Yes | |
sRGB Color Gamut | |||
sRGB Color Gamut | 100 % | 100 % | |
MOTION CHARACTERISTICS | |||
|---|---|---|---|
Total Response Time | |||
Total Response Time | 1.1 ms | 1.4 ms | |
Variable Refresh Rate | |||
Variable Refresh Rate | 20 - 240 Hz | 20 - 175 Hz | |
Strobing / BFI | |||
Strobing / BFI | No | No | |
Persistence Blur Score | |||
Persistence Blur Score | 8/10 | 7.2/10 | |
Ghosting Score | |||
Ghosting Score | 9.6/10 | 9.5/10 | |
TEXT & IMAGE CLARITY | |||
|---|---|---|---|
Pixels Per Inch | |||
Pixels Per Inch | 110 PPI | 110 PPI | |
Coating | |||
Coating | Matte | Glossy | |
Text Clarity Score | |||
Text Clarity Score | 6.6/10 | 6.6/10 | |
Image Clarity Score | |||
Image Clarity Score | 7.1/10 | 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
Dell Alienware AW3423DW (QD-OLED)
See more
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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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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