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Company ProductName Specs
What we think
The PerfectRec monitor team Learn more
Updated April 11, 2024·
If you're into competitive gaming or enjoy immersive HDR gaming and media, the Dell Alienware monitor's higher refresh rate and superior contrast will provide a more fluid and vibrant experience. However, if you focus on tasks like digital photo editing, where image clarity and sharpness are paramount, the LG UltraFine with its higher resolution could serve you better. The Dell's OLED technology offers deep blacks and wide color gamut, but for productivity, the LG's larger pixel density and color accuracy could be more beneficial. Choose the Dell for gaming and HDR content, and the LG for creative work and crisp text. 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 Dell Alienware AW3423DW (QD-OLED)
- Best in class for casual gaming
- Best in class for media consumption
- Good refresh rate
- Best in class contrast
- Best in class color volume
- Best in class response time
Advantages of the LG UltraFine 5K 27MD5KL (IPS)
- Very good for productivity
- Best in class text clarity
- Best in class image clarity
- Good brightness
Key differences
Casual Gaming
9.5
6.0
3440 x 1440
RESOLUTION
5120 x 2880
175Hz
REFRESH RATE
60Hz
Inf:1
NATIVE CONTRAST
1200:1
243 nits
SDR PEAK BRIGHTNESS
500 nits
474 nits
HDR PEAK BRIGHTNESS
Unknown
99.4 %
DCI-P3 COLOR GAMUT
99.0 %
Glossy
COATING
Glossy
The Dell Alienware AW3423DW (QD-OLED) is best in class for casual gaming, while the LG UltraFine 5K 27MD5KL (IPS) is only fair.
Productivity
5.7
8.7
3440 x 1440
RESOLUTION
5120 x 2880
110 PPI
PIXELS PER INCH
218 PPI
Yes
ADJUSTABLE STAND
Yes
Glossy
COATING
Glossy
The LG UltraFine 5K 27MD5KL (IPS) is very good for productivity, while the Dell Alienware AW3423DW (QD-OLED) is poor.
Media Consumption
9.5
7.0
3440 x 1440
RESOLUTION
5120 x 2880
Inf:1
NATIVE CONTRAST
1200:1
243 nits
SDR PEAK BRIGHTNESS
500 nits
474 nits
HDR PEAK BRIGHTNESS
Unknown
Glossy
COATING
Glossy
The Dell Alienware AW3423DW (QD-OLED) is best in class for media consumption, while the LG UltraFine 5K 27MD5KL (IPS) is good.
Cost
$870
$1,179
$400
$600
$800
$1,000
$1,200
$1,400
$1,600
$1,800
The Dell Alienware AW3423DW (QD-OLED) has a price of $870 and the LG UltraFine 5K 27MD5KL (IPS) costs $1,179.
HDR Gaming and Media Consumption
Yes
No
The Dell Alienware AW3423DW (QD-OLED) is suitable for HDR gaming and media consumption while the LG UltraFine 5K 27MD5KL (IPS) is not suitable for HDR gaming and media consumption.
Key similarities
Competitive Gaming
5.1
5.0
175Hz
REFRESH RATE
60Hz
1.4 ms
TOTAL RESPONSE TIME
14.0 ms
20 - 175 Hz
VARIABLE REFRESH RATE
N/A
No
STROBING / BFI
No
243 nits
SDR PEAK BRIGHTNESS
500 nits
The Dell Alienware AW3423DW (QD-OLED) and LG UltraFine 5K 27MD5KL (IPS) are both poor for competitive gaming.
Digital Photo Editing
Yes
Yes
Both the Dell Alienware AW3423DW (QD-OLED) and LG UltraFine 5K 27MD5KL (IPS) are suitable for digital photo editing.
HDR Video Editing and Color Grading
No
No
Both the Dell Alienware AW3423DW (QD-OLED) and LG UltraFine 5K 27MD5KL (IPS) are not suitable for HDR video editing and color grading.
Print Photo Editing
No
No
Both the Dell Alienware AW3423DW (QD-OLED) and LG UltraFine 5K 27MD5KL (IPS) are not suitable for print photo editing.
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How the Dell Alienware AW3423DW (QD-OLED) and the LG UltraFine 5K 27MD5KL (IPS) compare to other monitors
Spec Comparison
 |  | |
| Dell Alienware AW3423DW (QD-OLED) | LG UltraFine 5K 27MD5KL (IPS) |
GENERAL | |||
|---|---|---|---|
| Price | |||
$870 | $1,179 | ||
Screen Size | |||
Screen Size | 34" | 27" | |
Resolution | |||
Resolution | 3440 x 1440 | 5120 x 2880 | |
Screen Type | |||
Screen Type | OLED | LED | |
Screen Sub-type | |||
Screen Sub-type | QD-OLED | IPS | |
Refresh Rate | |||
Refresh Rate | 175Hz | 60Hz | |
COLOR, CONTRAST & BRIGHTNESS | |||
|---|---|---|---|
Native Contrast | |||
Native Contrast | Inf:1 | 1200:1 | |
SDR Peak Brightness | |||
SDR Peak Brightness | 243 nits | 500 nits | |
HDR Peak Brightness | |||
HDR Peak Brightness | 474 nits | Unknown | |
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 | 14 ms | |
Variable Refresh Rate | |||
Variable Refresh Rate | 20 - 175 Hz | N/A | |
Strobing / BFI | |||
Strobing / BFI | No | No | |
Persistence Blur Score | |||
Persistence Blur Score | 7.2/10 | 5/10 | |
Ghosting Score | |||
Ghosting Score | 9.5/10 | 6/10 | |
TEXT & IMAGE CLARITY | |||
|---|---|---|---|
Pixels Per Inch | |||
Pixels Per Inch | 110 PPI | 218 PPI | |
Coating | |||
Coating | Glossy | Glossy | |
Text Clarity Score | |||
Text Clarity Score | 6.6/10 | 10/10 | |
Image Clarity Score | |||
Image Clarity Score | 7.1/10 | 10/10 | |
PORTS & CONNECTIVITY | |||
|---|---|---|---|
HDMI 1.4 Ports | |||
HDMI 1.4 Ports | 0 | 0 | |
HDMI 2.0 Ports | |||
HDMI 2.0 Ports | 2 | 0 | |
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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By the numbers
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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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