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What we think
The PerfectRec monitor team Learn more
Updated April 11, 2024·
If you prioritize high contrast and HDR performance for immersive gaming and media consumption, both the Acer X27U and Corsair Xeneon 27QHD240 are excellent choices with OLED panels. The Acer offers slightly higher brightness, which may enhance HDR content, but at a higher cost. For competitive gaming, both feature low response times and high refresh rates, ensuring smooth gameplay. The Corsair has more USB ports, which could benefit connectivity, and it's less expensive, which may sway your decision if budget is a concern. Neither is ideal for productivity, as their moderate brightness and color gamut coverage may not suit tasks requiring precise color accuracy. 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)
- The Acer X27U (W-OLED) has no clear advantages over the Corsair Xeneon 27QHD240 (W-OLED).
Advantages of the Corsair Xeneon 27QHD240 (W-OLED)
- The Corsair Xeneon 27QHD240 (W-OLED) has no clear advantages over the Acer X27U (W-OLED).
Key differences
Cost
$1,000
$900
$400
$600
$800
$1,000
$1,200
$1,400
$1,600
The Acer X27U (W-OLED) has a price of $1,000 and the Corsair Xeneon 27QHD240 (W-OLED) costs $900.
Key similarities
Casual Gaming
9.5
9.5
2560 x 1440
RESOLUTION
2560 x 1440
240Hz
REFRESH RATE
240Hz
Inf:1
NATIVE CONTRAST
Inf:1
211 nits
SDR PEAK BRIGHTNESS
113 nits
603 nits
HDR PEAK BRIGHTNESS
639 nits
95.5 %
DCI-P3 COLOR GAMUT
97.3 %
Matte
COATING
Matte
The Corsair Xeneon 27QHD240 (W-OLED) and Acer X27U (W-OLED) are both best in class for casual gaming.
Competitive Gaming
8.8
8.9
240Hz
REFRESH RATE
240Hz
1.4 ms
TOTAL RESPONSE TIME
1.1 ms
20 - 240 Hz
VARIABLE REFRESH RATE
20 - 240 Hz
No
STROBING / BFI
No
211 nits
SDR PEAK BRIGHTNESS
113 nits
The Corsair Xeneon 27QHD240 (W-OLED) and Acer X27U (W-OLED) are both very good for competitive gaming.
Productivity
5.8
5.7
2560 x 1440
RESOLUTION
2560 x 1440
111 PPI
PIXELS PER INCH
110 PPI
Yes
ADJUSTABLE STAND
Yes
Matte
COATING
Matte
The Acer X27U (W-OLED) and Corsair Xeneon 27QHD240 (W-OLED) are both poor for productivity.
Media Consumption
7.5
7.5
2560 x 1440
RESOLUTION
2560 x 1440
Inf:1
NATIVE CONTRAST
Inf:1
211 nits
SDR PEAK BRIGHTNESS
113 nits
603 nits
HDR PEAK BRIGHTNESS
639 nits
Matte
COATING
Matte
The Acer X27U (W-OLED) and Corsair Xeneon 27QHD240 (W-OLED) are both good for media consumption.
HDR Gaming and Media Consumption
Yes
Yes
Both the Acer X27U (W-OLED) and Corsair Xeneon 27QHD240 (W-OLED) are suitable for HDR gaming and media consumption.
Digital Photo Editing
Yes
Yes
Both the Acer X27U (W-OLED) and Corsair Xeneon 27QHD240 (W-OLED) are suitable for digital photo editing.
HDR Video Editing and Color Grading
No
No
Both the Acer X27U (W-OLED) and Corsair Xeneon 27QHD240 (W-OLED) are not suitable for HDR video editing and color grading.
Print Photo Editing
No
No
Both the Acer X27U (W-OLED) and Corsair Xeneon 27QHD240 (W-OLED) are not suitable for print photo editing.
Give feedback
We’re constantly working to improve.
How the Acer X27U (W-OLED) and the Corsair Xeneon 27QHD240 (W-OLED) compare to other monitors
Spec Comparison
 |  | |
| Acer X27U (W-OLED) | Corsair Xeneon 27QHD240 (W-OLED) |
GENERAL | |||
|---|---|---|---|
| Price | |||
$1,000 | $900 | ||
Screen Size | |||
Screen Size | 27" | 27" | |
Resolution | |||
Resolution | 2560 x 1440 | 2560 x 1440 | |
Screen Type | |||
Screen Type | OLED | OLED | |
Screen Sub-type | |||
Screen Sub-type | W-OLED | W-OLED | |
Refresh Rate | |||
Refresh Rate | 240Hz | 240Hz | |
COLOR, CONTRAST & BRIGHTNESS | |||
|---|---|---|---|
Native Contrast | |||
Native Contrast | Inf:1 | Inf:1 | |
SDR Peak Brightness | |||
SDR Peak Brightness | 211 nits | 113 nits | |
HDR Peak Brightness | |||
HDR Peak Brightness | 603 nits | 639 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 | 1.4 ms | 1.1 ms | |
Variable Refresh Rate | |||
Variable Refresh Rate | 20 - 240 Hz | 20 - 240 Hz | |
Strobing / BFI | |||
Strobing / BFI | No | No | |
Persistence Blur Score | |||
Persistence Blur Score | 8/10 | 8/10 | |
Ghosting Score | |||
Ghosting Score | 9.5/10 | 9.6/10 | |
TEXT & IMAGE CLARITY | |||
|---|---|---|---|
Pixels Per Inch | |||
Pixels Per Inch | 111 PPI | 110 PPI | |
Coating | |||
Coating | Matte | Matte | |
Text Clarity Score | |||
Text Clarity Score | 6.7/10 | 6.6/10 | |
Image Clarity Score | |||
Image Clarity Score | 7.2/10 | 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 | |
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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