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·
If you prioritize competitive gaming and require a high refresh rate, the premium-priced Dell Alienware monitor is ideal as it offers a smoother gaming experience. For productivity, its higher static contrast and clarity might be beneficial. However, if your focus is on casual gaming, media consumption, and you prefer a wider screen for an immersive experience without breaking the bank, the LG with its larger screen and decent performance at an upper midrange price might be the better choice, though it has a lower refresh rate and might not be as well-suited for fast-paced games. 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 AW2721D (IPS)
- Very good for competitive gaming
- Very good refresh rate
- Good text clarity
- Good image clarity
- Good brightness
Advantages of the LG 34GN850B (IPS)
- Very good response time
Key differences
Casual Gaming
6.5
5.9
2560 x 1440
RESOLUTION
3440 x 1440
240Hz
REFRESH RATE
144Hz
1088:1
NATIVE CONTRAST
950:1
474 nits
SDR PEAK BRIGHTNESS
359 nits
788 nits
HDR PEAK BRIGHTNESS
436 nits
71.9 %
DCI-P3 COLOR GAMUT
94.5 %
Semi-Gloss
COATING
Matte
The Dell Alienware AW2721D (IPS) is only fair for casual gaming, while the LG 34GN850B (IPS) is poor.
Competitive Gaming
8.0
4.5
240Hz
REFRESH RATE
144Hz
7.1 ms
TOTAL RESPONSE TIME
6.2 ms
20 - 240 Hz
VARIABLE REFRESH RATE
20 - 160 Hz
No
STROBING / BFI
No
474 nits
SDR PEAK BRIGHTNESS
359 nits
The Dell Alienware AW2721D (IPS) is very good for competitive gaming, while the LG 34GN850B (IPS) is poor.
Productivity
6.5
5.9
2560 x 1440
RESOLUTION
3440 x 1440
109 PPI
PIXELS PER INCH
108 PPI
Yes
ADJUSTABLE STAND
Yes
Semi-Gloss
COATING
Matte
The Dell Alienware AW2721D (IPS) is only fair for productivity, while the LG 34GN850B (IPS) is poor.
Cost
$902
$750
$200
$400
$600
$800
$1,000
$1,200
$1,400
The Dell Alienware AW2721D (IPS) has a price of $902 and the LG 34GN850B (IPS) costs $750.
Digital Photo Editing
Yes
No
The Dell Alienware AW2721D (IPS) is suitable for digital photo editing while the LG 34GN850B (IPS) is not suitable for digital photo editing.
Key similarities
Media Consumption
6.2
5.9
2560 x 1440
RESOLUTION
3440 x 1440
1088:1
NATIVE CONTRAST
950:1
474 nits
SDR PEAK BRIGHTNESS
359 nits
788 nits
HDR PEAK BRIGHTNESS
436 nits
Semi-Gloss
COATING
Matte
Although they have very similar scores, PerfectRec considers Dell Alienware AW2721D (IPS) to be only fair for media consumption, while the LG 34GN850B (IPS) is poor.
HDR Gaming and Media Consumption
No
No
Both the Dell Alienware AW2721D (IPS) and LG 34GN850B (IPS) are not suitable for HDR gaming and media consumption.
HDR Video Editing and Color Grading
No
No
Both the Dell Alienware AW2721D (IPS) and LG 34GN850B (IPS) are not suitable for HDR video editing and color grading.
Print Photo Editing
No
No
Both the Dell Alienware AW2721D (IPS) and LG 34GN850B (IPS) are not suitable for print photo editing.
Give feedback
We’re constantly working to improve.
How the Dell Alienware AW2721D (IPS) and the LG 34GN850B (IPS) compare to other monitors
Spec Comparison
 |  | |
| Dell Alienware AW2721D (IPS) | LG 34GN850B (IPS) |
GENERAL | |||
|---|---|---|---|
| Price | |||
$902 | $750 | ||
Screen Size | |||
Screen Size | 27" | 34" | |
Resolution | |||
Resolution | 2560 x 1440 | 3440 x 1440 | |
Screen Type | |||
Screen Type | LED | LED | |
Screen Sub-type | |||
Screen Sub-type | IPS | IPS | |
Local Dimming Zones | |||
Local Dimming Zones | 32 | N/A | |
COLOR, CONTRAST & BRIGHTNESS | |||
|---|---|---|---|
Native Contrast | |||
Native Contrast | 1088:1 | 950:1 | |
SDR Peak Brightness | |||
SDR Peak Brightness | 474 nits | 359 nits | |
HDR Peak Brightness | |||
HDR Peak Brightness | 788 nits | 436 nits | |
Suitable for HDR Gaming and Media Consumption | |||
Suitable for HDR Gaming and Media Consumption | No | No | |
sRGB Color Gamut | |||
sRGB Color Gamut | 136.9 % | 99 % | |
MOTION CHARACTERISTICS | |||
|---|---|---|---|
Total Response Time | |||
Total Response Time | 7.1 ms | 6.2 ms | |
Variable Refresh Rate | |||
Variable Refresh Rate | 20 - 240 Hz | 20 - 160 Hz | |
Strobing / BFI | |||
Strobing / BFI | No | No | |
Persistence Blur Score | |||
Persistence Blur Score | 8/10 | 6.6/10 | |
Ghosting Score | |||
Ghosting Score | 7.9/10 | 8/10 | |
TEXT & IMAGE CLARITY | |||
|---|---|---|---|
Pixels Per Inch | |||
Pixels Per Inch | 109 PPI | 108 PPI | |
Coating | |||
Coating | Semi-Gloss | Matte | |
Text Clarity Score | |||
Text Clarity Score | 7/10 | 7/10 | |
Image Clarity Score | |||
Image Clarity Score | 7/10 | 7/10 | |
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 AW2721D (IPS)
See more
Dig into reviews and images
PC Mag
Chris Stobing | July 2021
"If cost isn't an issue and you want a gaming monitor that will give your content all-new life for years to come, the Alienware 27 Gaming Monitor defines the upper echelon of what gaming monitors do best today. This display does everything the HP Omen X 27 tried to do, but does it a whole lot better for just a slight bump in price. If you're choosing between the two, the Alienware is the clear winner, and that story repeats itself again and again no matter which 1440p contender we put the Alienware 27 up against."
LG 34GN850B (IPS)
See more
Dig into reviews and images
TechSpot
Tim Schiesser | August 2020
"Mid-range 3440 x 1440 144Hz VA monitors are ~$500 to $600 these days. You are getting a much better product for the higher price of the LG, with faster response times and better colors (outside of the contrast ratio), but this is definitely a monitor that is reserved for those that want the best of the best and are willing to pay for it."
Give feedback
We're constantly perfecting our model
More comparisons for you
Compare Dell Alienware AW2721D (IPS) vs. Dell Alienware AW3423DWF (QD-OLED)
VS
Compare Dell Alienware AW2721D (IPS) vs. Corsair Xeneon 27QHD240 (W-OLED)
VS
Compare Dell Alienware AW2721D (IPS) vs. Dell Alienware AW2725DF (QD-OLED)
VS
Compare LG 34GN850B (IPS) vs. LG 34GP83A (IPS)
VS
Compare LG 34GN850B (IPS) vs. MSI MAG 271QPX (QD-OLED)
VS
Compare LG 34GN850B (IPS) vs. Dell Alienware AW3821DW (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
117,800
Recommendations made
17,670
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
