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 11, 2024·
The AOC AG276QZD, with its OLED technology, provides superior contrast and a wide color gamut, making it excellent for HDR gaming and media consumption. Its very high refresh rate and low response time also make it perfect for competitive gaming. However, for day-long productivity tasks or casual use, its fair text clarity might be less conducive. On the other hand, the Dell Alienware AW3821DW, despite being more expensive, offers a larger screen and higher resolution, which enhances your field of view and is great for multitasking. Its IPS panel offers good color accuracy for tasks like digital photo editing, but it's not as impressive for HDR content and doesn't perform as well in fast-paced gaming due to a lower refresh rate and higher response time. 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 AOC AG276QZD (W-OLED)
- Best in class for casual gaming
- Best in class for competitive gaming
- Good for media consumption
- Very good refresh rate
- Best in class contrast
- Best in class response time
Advantages of the Dell Alienware AW3821DW (IPS)
- Good text clarity
- Good image clarity
- Good brightness
Key differences
Casual Gaming
9.7
6.0
2560 x 1440
RESOLUTION
3840 x 1600
240Hz
REFRESH RATE
144Hz
Inf:1
NATIVE CONTRAST
883:1
284 nits
SDR PEAK BRIGHTNESS
495 nits
379 nits
HDR PEAK BRIGHTNESS
660 nits
96.0 %
DCI-P3 COLOR GAMUT
95.6 %
Matte
COATING
Matte
The AOC AG276QZD (W-OLED) is best in class for casual gaming, while the Dell Alienware AW3821DW (IPS) is only fair.
Competitive Gaming
9.6
4.5
240Hz
REFRESH RATE
144Hz
0.3 ms
TOTAL RESPONSE TIME
10.8 ms
20 - 240 Hz
VARIABLE REFRESH RATE
20 - 144 Hz
No
STROBING / BFI
No
284 nits
SDR PEAK BRIGHTNESS
495 nits
The AOC AG276QZD (W-OLED) is best in class for competitive gaming, while the Dell Alienware AW3821DW (IPS) is poor.
Productivity
5.7
6.6
2560 x 1440
RESOLUTION
3840 x 1600
108 PPI
PIXELS PER INCH
111 PPI
Yes
ADJUSTABLE STAND
Yes
Matte
COATING
Matte
The Dell Alienware AW3821DW (IPS) is only fair for productivity, while the AOC AG276QZD (W-OLED) is poor.
Media Consumption
7.8
6.2
2560 x 1440
RESOLUTION
3840 x 1600
Inf:1
NATIVE CONTRAST
883:1
284 nits
SDR PEAK BRIGHTNESS
495 nits
379 nits
HDR PEAK BRIGHTNESS
660 nits
Matte
COATING
Matte
The AOC AG276QZD (W-OLED) is good for media consumption, while the Dell Alienware AW3821DW (IPS) is only fair.
HDR Gaming and Media Consumption
Yes
No
The AOC AG276QZD (W-OLED) is suitable for HDR gaming and media consumption while the Dell Alienware AW3821DW (IPS) is not suitable for HDR gaming and media consumption.
Key similarities
Cost
$700
$749
$200
$400
$600
$800
$1,000
$1,200
The AOC AG276QZD (W-OLED) has a price of $700 and the Dell Alienware AW3821DW (IPS) costs $749.
Digital Photo Editing
Yes
Yes
Both the AOC AG276QZD (W-OLED) and Dell Alienware AW3821DW (IPS) are suitable for digital photo editing.
HDR Video Editing and Color Grading
No
No
Both the AOC AG276QZD (W-OLED) and Dell Alienware AW3821DW (IPS) are not suitable for HDR video editing and color grading.
Print Photo Editing
No
No
Both the AOC AG276QZD (W-OLED) and Dell Alienware AW3821DW (IPS) are not suitable for print photo editing.
Give feedback
We’re constantly working to improve.
How the AOC AG276QZD (W-OLED) and the Dell Alienware AW3821DW (IPS) compare to other monitors
Spec Comparison
 |  | |
| AOC AG276QZD (W-OLED) | Dell Alienware AW3821DW (IPS) |
GENERAL | |||
|---|---|---|---|
| Price | |||
$700 | $749 | ||
Screen Size | |||
Screen Size | 27" | 38" | |
Resolution | |||
Resolution | 2560 x 1440 | 3840 x 1600 | |
Screen Type | |||
Screen Type | OLED | LED | |
Screen Sub-type | |||
Screen Sub-type | W-OLED | IPS | |
Local Dimming Zones | |||
Local Dimming Zones | N/A | 32 | |
COLOR, CONTRAST & BRIGHTNESS | |||
|---|---|---|---|
Native Contrast | |||
Native Contrast | Inf:1 | 883:1 | |
SDR Peak Brightness | |||
SDR Peak Brightness | 284 nits | 495 nits | |
HDR Peak Brightness | |||
HDR Peak Brightness | 379 nits | 660 nits | |
Suitable for HDR Gaming and Media Consumption | |||
Suitable for HDR Gaming and Media Consumption | Yes | No | |
sRGB Color Gamut | |||
sRGB Color Gamut | 100 % | 133 % | |
MOTION CHARACTERISTICS | |||
|---|---|---|---|
Total Response Time | |||
Total Response Time | 0.3 ms | 10.8 ms | |
Variable Refresh Rate | |||
Variable Refresh Rate | 20 - 240 Hz | 20 - 144 Hz | |
Strobing / BFI | |||
Strobing / BFI | No | No | |
Persistence Blur Score | |||
Persistence Blur Score | 8/10 | 6.6/10 | |
Ghosting Score | |||
Ghosting Score | 9.9/10 | 7/10 | |
TEXT & IMAGE CLARITY | |||
|---|---|---|---|
Pixels Per Inch | |||
Pixels Per Inch | 108 PPI | 111 PPI | |
Coating | |||
Coating | Matte | Matte | |
Text Clarity Score | |||
Text Clarity Score | 6.6/10 | 7.2/10 | |
Image Clarity Score | |||
Image Clarity Score | 7/10 | 7.2/10 | |
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 AW3821DW (IPS)
See more
Dig into reviews and images
Tom's Hardware
Christian Eberle | April 2021
"The Alienware AW3821DW isn’t perfect, but right now, it’s the best value in 38-inch ultrawide gaming monitors. It delivers a solid gaming experience with a bright and saturated image that’s color-accurate. With premium styling and build quality, it’s sure to satisfy gamers looking for a jumbo display."
Give feedback
We're constantly perfecting our model
More comparisons for you
Compare AOC AG276QZD (W-OLED) vs. Acer X34V (QD-OLED)
VS
Compare AOC AG276QZD (W-OLED) vs. Pixio PX277 OLED Max (W-OLED)
VS
Compare AOC AG276QZD (W-OLED) vs. Nubia RedMagic GM001J (IPS MiniLED)
VS
Compare Dell Alienware AW3821DW (IPS) vs. Asus PG279QM (IPS)
VS
Compare Dell Alienware AW3821DW (IPS) vs. LG 34GP83A (IPS)
VS
Compare Dell Alienware AW3821DW (IPS) vs. LG 34GN850B (IPS)
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
116,300
Recommendations made
17,445
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
