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Dell S2721DGF Monitor Review

Tested using Methodology v1.1
Updated Dec 10, 2021 at 03:11 pm
Dell S2721DGF Picture
8.0
Mixed Usage
8.0
Office
8.4
Gaming
7.9
Multimedia
8.0
Media Creation
7.0
HDR Gaming
Size 27"
Resolution 2560x1440
Max Refresh Rate
165 Hz
Pixel Type
IPS
Variable Refresh Rate
FreeSync

The Dell S2721DGF is a 27 inch, 1440p monitor gaming monitor with a fast refresh rate and great gaming features. The IPS panel delivers wide viewing angles, and it has excellent ergonomics. It has a remarkable response time at the max refresh rate, with very little blur behind fast-moving objects, and it has a fantastic low input lag for responsive gaming and desktop experience. It's a versatile monitor with great reflection handling and a high peak brightness in SDR, so glare isn't an issue in a bright room. It has disappointing accuracy out of the box, but it has a superb SDR color gamut and incredible gradient handling. Although this monitor supports HDR and can display a wide color gamut, it can't get very bright in HDR and has low contrast, so HDR doesn't add much. 

Our Verdict

8.0 Mixed Usage

The Dell S2721DGF is a great monitor for most uses. It has wide viewing angles, excellent ergonomics, and great reflection handling, making it a very good choice for office use or multimedia. Motion looks fantastic thanks to its remarkable response time at the max refresh rate, and it has low input lag, making it a great choice for gaming as well. Unfortunately, although it supports HDR, this doesn't add much due to the low peak brightness and low contrast.

Pros
  • Excellent gray uniformity.
  • Amazing horizontal viewing angle.
  • Low input lag.
Cons
  • Low contrast.
  • Disappointing accuracy out of the box.
8.0 Office

The Dell 27 Gaming Monitor S2721DGF is a great office monitor. The 27 inch, 1440p screen is great for multitasking, and it has wide viewing angles and excellent ergonomics, so you can easily share your screen with someone else. It has great reflection handling and high peak brightness in SDR, so visibility isn't an issue in a bright room. Unfortunately, it has a low contrast ratio and poor black uniformity, so it's not ideal if you're in a dark room.

Pros
  • Excellent gray uniformity.
  • Superb SDR color gamut.
  • Amazing horizontal viewing angle.
  • Excellent ergonomics.
  • Great reflection handling.
Cons
  • Low contrast.
  • Disappointing accuracy out of the box.
8.4 Gaming

The Dell 27 Gaming Monitor S2721DGF is great for gaming. It has a remarkable response time at the max refresh rate, resulting in clear motion with almost no noticeable blur behind fast-moving objects, whether you're gaming on a high-end PC or a console. It also has low input lag for a responsive gaming experience. Finally, it supports AMD's FreeSync variable refresh rate technology, and it's certified to work with NVIDIA's G-SYNC Compatible mode, both of which help to reduce screen tearing.

Pros
  • Remarkable response time.
  • Fast refresh rate.
  • Low input lag.
  • Great reflection handling.
Cons
  • Low contrast.
  • Disappointing accuracy out of the box.
7.9 Multimedia

The Dell S2721DGF monitor is very good choice for watching videos. The amazing horizontal viewing angle makes it a great choice for watching the latest trending videos with some friends. The high SDR peak brightness and great reflection handling mean you don't have to worry about glare in a bright room. Sadly, it doesn't look as good in the dark due to its sub-par contrast ratio and poor black uniformity.

Pros
  • Excellent gray uniformity.
  • Amazing horizontal viewing angle.
  • Low input lag.
  • Great reflection handling.
Cons
  • Poor black uniformity.
  • Low contrast.
  • Disappointing accuracy out of the box.
8.0 Media Creation

The Dell S2721DGF is a great choice for media creators. The large, high-resolution screen makes it easier to see more of your work at once. It has excellent ergonomics and an amazing horizontal viewing angle, so you can easily share the screen with clients or colleagues. It has a superb SDR color gamut, with good coverage of the Adobe RGB color space. However, it has disappointing accuracy out of the box, so it might be necessary to have it professionally calibrated.

Pros
  • Excellent gray uniformity.
  • Superb SDR color gamut.
  • Amazing horizontal viewing angle.
  • Excellent ergonomics.
  • Great reflection handling.
Cons
  • Poor black uniformity.
  • Low contrast.
  • Disappointing accuracy out of the box.
7.0 HDR Gaming

The Dell 27 Gaming Monitor S2721DGF is a decent monitor for HDR gaming, mainly due to the remarkable response time and low input lag. Although it supports HDR, it can't get very bright in HDR and has a low contrast ratio, so small specular highlights don't stand out as well as they should. Although there's a local dimming feature, it's not very effective due to the limited number of zones. Overall, HDR doesn't add much.

Pros
  • Remarkable response time.
  • Fast refresh rate.
Cons
  • Poor black uniformity.
  • Low contrast.
  • Terrible local dimming.
  • Disappointing accuracy out of the box.
  • 8.0 Mixed Usage
  • 8.0 Office
  • 8.4 Gaming
  • 7.9 Multimedia
  • 8.0 Media Creation
  • 7.0 HDR Gaming
  1. Updated Nov 25, 2021: We updated the text clarity score for better consistency with other similar monitors.
  2. Updated Oct 21, 2020: Noticed an issue with pixels at 60Hz.
  3. Updated Sep 18, 2020: Review published.
  4. Updated Sep 15, 2020: Early access published.

Video

Test Results

perceptual testing image
Design
Design
Style
Curved No
Curve Radius Not Curved
Weight (without stand)
9.9 lbs (4.5 kg)
Weight (with stand)
14.6 lbs (6.6 kg)

The Dell 27 Gaming Monitor S2721DGF has a slightly different design from most Dell monitors we've tested, with a redesigned stand and a gaming-inspired design on the back. It has thin bezels on three sides, outstanding ergonomics, and a great stand. Like most Dell monitors, it's well-built, and it fits into any decor.

Design
Stand
Width
10.9" (27.6 cm)
Depth
7.9" (20.0 cm)

The stand is very different from other Dells we've tested. It's very sturdy overall, and it supports the monitor well. Although it's a bit bulkier overall than most Dell monitors, you can still place small objects in front of it.

8.6
Design
Ergonomics
Height Adjustment
5.1" (13.0 cm)
Switch Portrait/Landscape Yes, Both Ways
Swivel Range -45° to 45°
Tilt Range -20° to 5°

Typical for a Dell monitor, the stand has excellent ergonomics, making it a very versatile choice.

Design
Back
Wall Mount VESA 100x100

The back has a different design than other Dell S-series monitors we've tested, like the Dell S3220DGF. Although there is a bias lighting feature, you can only turn it on or off, and it's a fixed color (blue). There's a hole in the stand for cable management, and although it's pretty basic, it works well and helps to keep your cables neat.

Design
Borders
Borders
0.3" (0.7 cm)

The borders are thin on three sides, making this a great choice for a multi-monitor setup.

Design
Thickness
Thickness (with stand)
6.3" (16.0 cm)
Thickness (without stand)
2.6" (6.5 cm)
8.0
Design
Build Quality

Like most Dell monitors, the Dell S2721DGF has great build quality. Although it's mainly made of plastic, the panels are sturdy and appear well-built. The hinge on the stand is solid and easy to use.

Picture Quality
5.8
Picture Quality
Contrast
Native Contrast
882 : 1
Contrast With Local Dimming
971 : 1

As expected for an IPS monitor, the Dell S2721DGF has sub-par contrast, so blacks look gray in a dark room. Contrast varies between individual units, and these results are at the low end of what we expect for an IPS monitor, meaning some units might look a bit better than this. The local dimming feature is only available in HDR, so unlike most monitors, the results here for contrast with local dimming were taken in HDR with the brightness at max.

1.0
Picture Quality
Local Dimming
Local Dimming
Yes
Backlight
Edge

Although not advertised to support it, the Dell S2721DGF has a local dimming feature. It's automatically enabled with HDR and can't be turned off. Unfortunately, due to the limited number of zones, it's terrible. Zone changes can be clearly seen, and there's significant blooming around bright objects in dark scenes due to the large area of each dimming zone.

8.0
Picture Quality
SDR Peak Brightness
SDR Real Scene
341 cd/m²
SDR Peak 2% Window
364 cd/m²
SDR Peak 10% Window
367 cd/m²
SDR Peak 25% Window
368 cd/m²
SDR Peak 50% Window
368 cd/m²
SDR Peak 100% Window
368 cd/m²
SDR Sustained 2% Window
364 cd/m²
SDR Sustained 10% Window
367 cd/m²
SDR Sustained 25% Window
368 cd/m²
SDR Sustained 50% Window
368 cd/m²
SDR Sustained 100% Window
368 cd/m²
SDR ABL
0.001

The Dell 27 Gaming Monitor S2721DGF has great peak brightness in SDR, with very little variation in peak brightness with different scenes. It can easily overcome glare in a bright room.

We tested the peak brightness after calibration in the 'Custom Color' Picture Mode with Brightness at its max.

6.6
Picture Quality
HDR Peak Brightness
HDR Real Scene
328 cd/m²
HDR Peak 2% Window
464 cd/m²
HDR Peak 10% Window
483 cd/m²
HDR Peak 25% Window
484 cd/m²
HDR Peak 50% Window
489 cd/m²
HDR Peak 100% Window
490 cd/m²
HDR Sustained 2% Window
463 cd/m²
HDR Sustained 10% Window
482 cd/m²
HDR Sustained 25% Window
482 cd/m²
HDR Sustained 50% Window
488 cd/m²
HDR Sustained 100% Window
489 cd/m²
HDR ABL
0.003

Unfortunately, the Dell S2721DGF has just okay peak brightness in HDR. It's bright enough that small highlights in some games stand out a bit, but it's not bright enough for a true cinematic HDR experience. There's very little variation in brightness with different content, though, which is great.

We measured the HDR peak brightness with the Smart HDR setting set to 'DisplayHDR'.

8.5
Picture Quality
Horizontal Viewing Angle
Color Washout From Left
46°
Color Washout From Right
47°
Color Shift From Left
52°
Color Shift From Right
55°
Brightness Loss From Left
48°
Brightness Loss From Right
49°
Black Level Raise From Left
70°
Black Level Raise From Right
70°
Gamma Shift From Left
60°
Gamma Shift From Right
61°

The Dell S2721DGF has an amazing horizontal viewing angle, thanks to its IPS panel. The image remains accurate even at a wide angle, making it a great choice for co-op gaming or if you often share your screen with someone else.

6.2
Picture Quality
Vertical Viewing Angle
Color Washout From Below
32°
Color Washout From Above
33°
Color Shift From Below
31°
Color Shift From Above
34°
Brightness Loss From Below
36°
Brightness Loss From Above
37°
Black Level Raise From Below
32°
Black Level Raise From Above
22°
Gamma Shift From Below
30°
Gamma Shift From Above
30°

Strangely, the vertical viewing angle is mediocre, and it degrades much faster than the horizontal viewing angle. This is much worse than most IPS monitors we've tested, but we don't expect it to be noticeable to most users.

8.5
Picture Quality
Gray Uniformity
50% Std. Dev.
3.977%
50% DSE
0.109%
5% Std. Dev.
0.474%
5% DSE
0.045%

The Dell S2721DGF has excellent gray uniformity. The sides of the screen are a bit darker than the center, but this isn't very noticeable. There's very little dirty screen effect (DSE) in the center, which is especially important for sports games or browsing the web. In near-dark scenes, the uniformity is even better, with almost no noticeable issues. Uniformity can vary between individual units, but it's rarely an issue with recent monitors.

Oddly, the gray uniformity varies depending on the refresh rate. When running this monitor at 60Hz, the overall uniformity is a bit worse, and there's a row of pixels near the bottom of the screen that is noticeably darker than the rest. Unfortunately, this issue isn't isolated to our unit, as multiple owners of this monitor have reported the same issue in the same spot.

3.9
Picture Quality
Black Uniformity
Native Std. Dev.
2.946%
Std. Dev. w/ L.D.
7.261%

Unfortunately, our Dell S2721DGF 27 has bad black uniformity, but this can vary between individual units. There's significant clouding throughout the screen, and some light bleeds in the corners (commonly called IPS glow). Local dimming makes it worse, due to the limited number of zones, causing significant clouding around the test cross.

5.2
Picture Quality
Pre Calibration
Picture Mode
Standard
Luminance
223 cd/m²
Luminance Settings
75
Contrast Setting
75
RGB Controls
100-100-100
Gamma Setting
No Gamma Setting
Color Temperature
5,994 K
White Balance dE
4.97
Color dE
4.66
Gamma
2.19

Unfortunately, the Dell S2721DGF has disappointing accuracy out of the box. There are noticeable inaccuracies in brighter shades of gray, and most colors are terribly oversaturated and aren't displayed accurately. On the other hand, gamma follows the sRGB target curve very closely, but some darker scenes are displayed a bit darker than they should be. Note that the exact out-of-the-box calibration can vary between units. If color accuracy is important to you, check out the ASUS ROG Strix XG279Q.

9.7
Picture Quality
Post Calibration
Picture Mode
Custom Color
Luminance
101 cd/m²
Luminance Settings
29
Contrast Setting
77
RGB Controls
95-94-100
Gamma Setting
No Gamma Setting
Color Temperature
6,510 K
White Balance dE
0.56
Color dE
0.38
Gamma
2.18

After calibration, there are no noticeable issues with any color, or with the white balance. Gamma follows the sRGB target curve almost perfectly, and the color temperature is very close to our target of 6500K.

You can download our ICC profile calibration here. This is provided for reference only and shouldn't be used, as the calibration values vary per individual unit even for the same model due to manufacturing tolerances.

9.2
Picture Quality
SDR Color Gamut
sRGB xy
99.6%
Adobe RGB xy
84.5%
sRGB Picture Mode
Custom Color
Adobe RGB Picture Mode
Custom Color

The Dell S2721DGF has a superb SDR color gamut, with complete coverage of the sRGB color space used by most current desktop and web content, including games. It also has good coverage of the wider Adobe RGB color space.

9.4
Picture Quality
SDR Color Volume
sRGB In ICtCp
97.5%
Adobe RGB In ICtCp
89.5%
sRGB Picture Mode
Custom Color
Adobe RGB Picture Mode
Custom Color

The Dell S2721DGF has fantastic color volume in SDR. It can display most colors at a wide range of luminance levels. Due to the low contrast ratio, it can't display dark saturated colors very well.

7.2
Picture Quality
HDR Color Gamut
Wide Color Gamut
Yes
DCI P3 xy
73.8%
Rec. 2020 xy
70.4%
DCI P3 Picture Mode
Display HDR
Rec. 2020 Picture Mode
Display HDR

The Dell S2721DGF has a decent HDR color gamut. It can display a wide color gamut, and coverage of the DCI P3 color space used by most current HDR content is satisfactory.

Note: The DCI P3 coverage is much lower than the 98% coverage advertised by Dell. It's normal for our measurements to be lower than the reported specifications, but this is worse than usual. Like all reviewers, we measure DCI P3 by sending a Rec. 2020 signal, but unlike most reviewers, we limit the colors we're sending to the DCI P3 primaries. This results in a lower but arguably more accurate measurement. In this case, the results are worse than we expected.

6.9
Picture Quality
HDR Color Volume
DCI-P3 In ICtCp
68.2%
Rec. 2020 In ICtCp
70.3%
DCI P3 Picture Mode
Display HDR
Rec. 2020 Picture Mode
Display HDR

The Dell S2721DGF 27 has just okay HDR color volume. It can't display dark saturated colors very well and can't fill out its gamut, especially in bright scenes.

10
Picture Quality
Image Retention
IR After 0 Min Recovery
0.00%
IR After 2 Min Recovery
0.00%
IR After 4 Min Recovery
0.00%
IR After 6 Min Recovery
0.00%
IR After 8 Min Recovery
0.00%
IR After 10 Min Recovery
0.00%

There are no signs of temporary image retention on our Dell S2721DGF, but this can vary between individual units.

9.7
Picture Quality
Gradient
Color Depth
10 Bit

The Dell 27 Gaming Monitor S2721DGF has outstanding gradient handling, with almost no noticeable banding in most shades.

9.9
Picture Quality
Color Bleed
Pixel Row Error
0.003%
Pixel Column Error
0.027%

There's no noticeable color bleed on our unit. This can vary between individual units, but it's rarely noticeable, even on displays that perform poorly on this test.

8.4
Picture Quality
Reflections
Screen Finish
Matte
Total Reflections
4.3%
Indirect Reflections
3.9%
Calculated Direct Reflections
0.4%

The Dell S2721DGF has great reflection handling. Combined with its great peak brightness, it can easily overcome glare in a bright room.

7.5
Picture Quality
Text Clarity
Sub-Pixel Layout
RGB

Update 11/25/2021: We increased the text clarity score from 7.0 to 7.5 for consistency with other similar displays.

The Dell 27 Gaming Monitor S2721DGF has good text clarity, but it's recommended to enable ClearType for the best results. This is especially noticeable in diagonal or curved lines, as seen in the top photo. When using the monitor at 60Hz, a row of pixels near the bottom dim, as you can see in this photo.

Motion
9.6
Motion
Response Time @ Max Refresh Rate
Best Overdrive Setting
Fast
Rise / Fall Time
3.8 ms
Total Response Time
6.3 ms
Overshoot Error
0.9%
Dark Rise / Fall Time
3.7 ms
Dark Total Response Time
6.6 ms
Dark Overshoot Error
4.0%

Response Time SettingResponse Time ChartResponse Time TablesMotion Blur Photo
FastChartTablePhoto
Super Fast ChartTablePhoto
Extreme ChartTablePhoto

The Dell S2721DGF has an outstanding response time at the maximum refresh rate. Fast-moving objects are very clear, with only a short blur trail behind them. Like most gaming monitors, the level of overdrive can be adjusted, but we recommend the lowest setting, 'Fast'. Higher settings have slightly faster Rise/Fall times, but due to the level of overshoot, the total response time is slower, and they have noticeable inverse ghosting.

9.1
Motion
Response Time @ 60Hz
Best Overdrive Setting
Fast
Rise / Fall Time
4.5 ms
Total Response Time
9.6 ms
Overshoot Error
1%
Dark Rise / Fall Time
4.8 ms
Dark Total Response Time
13.1 ms
Dark Overshoot Error
3.1%

Overdrive SettingResponse Time ChartResponse Time TablesMotion Blur Photo
FastChartTablePhoto
Super FastChartTablePhoto
ExtremeChartTablePhoto

The Dell S2721DGF has an outstanding response time when gaming at 60Hz, with a much faster total response time than the Dell S2719DGF. There's very little overshoot and only a very short blur trail behind fast-moving objects. We recommend the 'Fast' overdrive setting, as the higher settings are slower overall, with more noticeable overshoot. Although this monitor doesn't support a variable overdrive feature, the response time settings behave consistently across the refresh rate range, so you don't have to worry about changing settings if your frame rate drops.

10
Motion
Image Flicker
Flicker-Free Yes
PWM Dimming Frequency
>1000 Hz

The backlight doesn't use pulse width modulation to dim the backlight, but there's a very high-frequency flicker. This is extremely unusual; we rechecked it with different equipment and confirmed that it's flickering at about 20kHz. This isn't at all noticeable in person.

0
Motion
Black Frame Insertion (BFI)
Black Frame Insertion (BFI)
No BFI
BFI Maximum Frequency
N/A
BFI Minimum Frequency
N/A

Unfortunately, the Dell 27 Gaming Monitor S2721DGF doesn't have an optional backlight strobing feature, commonly known as black frame insertion.

9.2
Motion
Refresh Rate
Native
165 Hz
Max Refresh Rate
165 Hz
Variable Refresh Rate
Yes
FreeSync
Yes
G-SYNC
Compatible (NVIDIA Certified)
VRR Maximum
165 Hz
VRR Minimum
< 20 Hz
VRR Supported Connectors DisplayPort, HDMI

The Dell S2721DGF has a very high refresh rate, great for gaming. It supports AMD's FreeSync variable refresh rate technology, and it's also certified by NVIDIA to work with their G-SYNC Compatible technology. Although FreeSync works over both HDMI and DisplayPort, G-SYNC mode only works over DisplayPort. Over HDMI, the maximum refresh rate is 144Hz.

Inputs
9.5
Inputs
Input Lag
Native Resolution
3.7 ms
Native Resolution @ 60Hz
11.1 ms
Variable Refresh Rate
4.8 ms
Variable Refresh Rate @ 60Hz
12.4 ms
10 Bit HDR
11.0 ms
Black Frame Insertion (BFI)
N/A

The Dell 27 S2721DGF has fantastic low input lag, which is important for a responsive gaming experience. The 60Hz input lag is slightly higher than the Dell S2719DGF, but this isn't a noticeable difference.

Note: Due to limitations with our testing equipment, the HDR input lag was measured over HDMI at 60Hz.

8.3
Inputs
Resolution And Size
Native Resolution 2560 x 1440
Aspect Ratio 16:9
Megapixels 3.7 MP
Pixel Density
109 PPI
Screen Diagonal 27.0"
Screen Area 310 in²

The 27 inch, 1440p screen is great for multitasking and delivers a sharper image for gaming, so you can see more fine details in your games.

Inputs
Inputs
Inputs
Total Inputs
DisplayPort 1 (DP 1.4)
Mini DisplayPort No
HDMI 2 (HDMI 2.0)
DVI No
VGA No
DisplayPort Out No
USB 4 (USB 3.0)
USB C No
Analog Audio Out 3.5mm 1
Microphone In 3.5mm No
Digital Optical Audio Out No
Analog Audio Out RCA No
Power Supply Internal
Features
Features
Additional Features
RGB Illumination
Fixed (On/Off)
Speakers
No
HDR10 Yes
Multiple Input Display
No

There are a few additional features on the Dell S2721DGF, including the ability to display a frame counter or timer. Unlike many recent gaming monitors, there's no option to add crosshairs, which might be a bit disappointing.

Features
On-Screen Display (OSD)
Features
Controls

Unlike the Dell S2719DGF, the controls are on the back of the display. The buttons are larger, though, and menu navigation is done via a joystick, making it a bit easier to use.

Features
In The Box

  • Power cable
  • DisplayPort cable
  • HDMI cable
  • USB-A to USB-B cable
  • Manual

Differences Between Sizes And Variants

We tested the Dell 27 Gaming Monitor S2721DGF, which is the only size available. There's an S2721DGFA variant that's only available in Europe but appears to be the same monitor. There are other gaming options available from Dell's 'S' series of monitors, some of which are listed below.

Model Size Native Resolution Refresh Rate VRR Panel Notes
S2721DGF 27" 2560x1440p 165Hz

FreeSync 

IPS  
S2721DGFA 27" 2560x1440p 165Hz  FreeSync IPS EU version only
S2421HGF 24"  1920x1080p 144Hz  FreeSync TN  
S3220DGF 32" 2560x1440p 165Hz FreeSync VA  
S2719DGF 27'' 2560x1440p 144Hz FreeSync TN  

If someone comes across a different type of panel or if their Dell S2721DGF doesn't correspond to our review, let us know and we'll update the review. Note that some tests such as contrast, gray uniformity, and black uniformity may vary between individual units.

Our unit was manufactured in June 2020, and you can see the label here.

Compared To Other Monitors

The Dell 27 Gaming Monitor S2721DGF is a great monitor. It's a great gaming monitor that also works well for office use, multimedia, or media creation.

See our recommendations for the best gaming monitors, the best 27 inch monitors, and the best budget gaming monitors.

Gigabyte M27Q

The Gigabyte M27Q and the Dell S2721DGF are very similar overall. Gaming-wise, the Dell has faster response times. Its refresh rate is just a bit lower, 165Hz compared to the Gigabyte's 170Hz; however, this is a small difference that isn't noticeable. It also has significantly better ergonomics, making it easier to position the screen the way you want. On the other hand, the Gigabyte has more features. It includes a USB-C port that supports DisplayPort Alt Mode, an integrated KVM switch, and a Picture-in-Picture/Picture-by-Picture mode that lets you display two input signals simultaneously, which can be useful for streamers running on two computers.

LG 27GL850-B

The Dell S2721DGF is a bit better overall than the LG 27GL850-B. The Dell has much better ergonomics, better build quality, and better reflection handling. On the other hand, the LG is more accurate out of the box, and for the two units we tested, the LG has better black uniformity, but this varies between units.

Dell S2722DGM

The Dell S2721DGF and the Dell S2722DGM use different panel technologies, each with strengths and weaknesses. The S2721DGF uses an IPS panel, and it has better ergonomics, better viewing angles, better reflection handling, and better gradient handling. The S2721DGF supports HDR, but this doesn't add that much, as it can't deliver an impactful HDR experience. The S2722DGM uses a VA panel, and it has much better contrast and better black uniformity, so it's a better choice for a dim or dark room.

LG 27GP850-B

The Dell S2721DGF and the LG 27GP850-B are very similar, each with strengths and weaknesses. The LG has an optional black frame insertion feature, which can help reduce the amount of persistence blur seen on-screen. The Dell has a more versatile stand, as it can swivel and switch to portrait orientation on either side, and it feels a bit better built than the LG.

HP OMEN 27i

The HP OMEN 27i and the Dell S2721DGF are very similar. They're both 27 inch IPS monitors with a 1440p resolution and 165Hz refresh rate. The Dell has better response times to deliver clearer motion with less blur trail behind fast-moving objects. It also has significantly better ergonomics because it can swivel and rotate to portrait mode, and it supports HDR. 

LG 27GP83B-B

The Dell S2721DGF and the LG 27GP83B-B perform nearly identically. The Dell has better ergonomics, though, with a wider swivel range, better height adjustment, and it can switch to portrait orientation in either direction. The other differences between them are minor and can mainly be attributed to panel variance, but the LG we bought has better black uniformity, a slightly better response time, and better accuracy out of the box.

MSI Optix MAG274QRF-QD

The MSI Optix MAG274QRF-QD and the Dell S2721DGF are both great monitors with similar gaming features. They're both 1440p monitors with a 165Hz refresh rate and outstanding response time. The MSI has a BFI feature, which the Dell doesn't, but it only works within a narrow frequency range. The MSI also has a USB-C input, which supports DisplayPort Alt Mode. On the other hand, the Dell is a better choice if you want to use it in a well-lit room because it has much better reflection handling. It also has a local dimming feature, but it performs terribly.

Samsung Odyssey G5 LC27G55T

The Dell S2721DGF is much better than the Samsung Odyssey G5 LC27G55T overall. The Dell has better gaming performance due to its higher refresh rate, faster response time, and lower input lag. It also has wider viewing angles, higher peak brightness, and significantly better ergonomics. However, the Samsung's VA panel has a better contrast ratio, and it has a Black Frame Insertion feature to improve motion clarity.

LG 27GL83A-B

The Dell S2721DGF is a bit better than the LG 27GL83A-B for most uses. The Dell has much better ergonomics, making it easier to place in an ideal viewing position, and it's better built. The Dell also has much better reflection handling. On the other hand, the LG is more accurate out of the box.

LG 27GN800-B

The Dell S2721DGF and the LG 27GN800-B perform very similarly gaming-wise. They mainly differ in features. The Dell has significantly better ergonomics because it allows for height and swivel adjustment, as well as rotation to portrait mode. It also has a USB hub with four USB 3.0 ports.

Gigabyte G27Q

For gaming, the Dell S2721DGF performs better than the Gigabyte G27Q. The Dell has a higher refresh rate of 165Hz, compared to the Gigabyte's 144Hz, and it has a much faster response time, resulting in a clearer image with less ghosting. The Dell also has better ergonomics and wider viewing angles, but it doesn't get as bright as the Gigabyte.

Samsung Odyssey G7 LC32G75T

The Samsung Odyssey G7 LC32G75T and the Dell S2721DGF are very different monitors. The Samsung has a curved VA panel and is better suited for dark rooms, while the Dell has a flat IPS panel with wider viewing angles. Gaming-wise, the Samsung performs better mainly because it has a much higher refresh rate, 240Hz compared to the Dell's 165Hz. The Dell has better response time at max refresh rate, though, especially in dark transitions. The Samsung is available in a 27 inch and 32 inch size, while the Dell is only available in a 27 inch size.

Dell S3220DGF

The Dell S3220DGF and the Dell S2721DGF both have a 1440p resolution and a 165Hz refresh rate, but they have different panel types. The S3220DGF has a 32 inch curved VA panel, while the S2721DGF has a 27 inch flat IPS panel. The S2721DGF's motion handling is significantly better because it has much quicker response times. It also has better reflection handling, wider viewing angles, and gets brighter to combat glare. If you mostly game in the dark, the S3220DGF might be a better choice because it has a much higher contrast ratio to produce deeper blacks.

Dell S2721HGF

Overall, the Dell S2721DGF performs better than the Dell S2721HGF. The S2721DGF has a 1440p resolution compared to the S2721HGF's 1080p and a higher 165Hz refresh rate. It also has a better response time at max refresh rate and 60Hz, resulting in clearer images in fast-moving scenes. The S2721DGF has an IPS panel with much wider viewing angles, and the stand allows for more ergonomic adjustments, making it a better choice for sharing content or playing co-op games. If you often game in the dark, the S2721HGF might be a better choice due to its higher contrast ratio.

Dell S2719DGF

The Dell S2721DGF is much better overall than the Dell S2719DGF. The S2721DGF has a faster refresh rate, and the IPS panel delivers much better viewing angles. The S2721DGF adds HDR support, but due to the low peak brightness and disappointing contrast, this doesn't add much.

ASUS TUF VG27AQ

The ASUS TUF VG27AQ is slightly better than the Dell S2721DGF overall, but the Dell might be a better choice. The ASUS has better vertical viewing angles, and the unit we tested has better black uniformity, but this varies. On the other hand, the Dell has much better reflection handling and faster response time, resulting in clearer motion.

LG 27GN850-B

The Dell S2721DGF is a bit better overall than the LG 27GN850-B, but the two monitors are very similar. The Dell has a max refresh rate of 165Hz, as opposed to the LG's 144Hz, and this results in a slightly quicker response time. It also has much better ergonomics, making it a better choice for office use, and it gets brighter. On the other hand, the LG has much better out-of-the-box accuracy, so you may not need to get it calibrated.

Dell S2721QS

Overall, the Dell S2721QS is marginally better than the Dell S2721DGF; however, they're intended for different uses. The S2721QS is a 4k monitor with a basic 60Hz panel while the S2721DGF is a gaming monitor with a 1440p resolution and a 165Hz refresh rate. The S2721QS delivers sharper text and has better color accuracy out of the box. The S2721DGF has better ergonomics, faster response time, and lower input lag.

Dell Alienware AW2721D

The Dell Alienware AW2721D and the Dell S2721DGF are both great gaming monitors with similar performance. That said, the AW2721D has a higher max refresh rate and slightly better picture quality overall. They have similar response times, although the S2721DGF experiences less overshoot. The S2721DGF has much better reflection handling and better ergonomics, but the AW2721D feels better built, gets significantly brighter in SDR and HDR, and has much better accuracy out-of-the-box, although this can vary between units. The S2721DGF may represent a better value to some people.

BenQ EX2780Q

The Dell S2721DGF is better than the BenQ EX2780Q overall. The Dell has a higher refresh rate and a faster response time, which results in a smoother and more responsive gaming experience. It also has significantly better ergonomics and USB ports. 

MSI Optix G273QF

The Dell S2721DGF and the MSI Optix G273QF are two 1440p, 165Hz monitors with IPS panels, and the Dell is better for most uses. The Dell has much better ergonomics, allowing you to place the screen how you like, and it's better for well-lit rooms as it gets brighter and has much better reflection handling. The Dell also supports HDR, which the MSI doesn't, but it doesn't deliver a true HDR experience because it has low peak brightness and a terrible local dimming feature.

Lenovo Legion Y27q-20

The Lenovo Legion Y27q-20 and the Dell S2721DGF are very similar overall. The Dell has better ergonomics, better reflection handling, and higher peak brightness in both SDR and HDR. However, the Lenovo has significantly better color accuracy out of the box.

Gigabyte G27QC

The Dell S2721DGF is much better than the Gigabyte G27QC. The Dell has significantly better ergonomics, faster response time, and its IPS panel provides much wider viewing angles. The Gigabyte's higher contrast ratio is better for dark rooms, and it has better color accuracy out-of-the-box.

ASUS TUF Gaming VG27AQL1A

The Dell S2721DGF and the ASUS TUF Gaming VG27AQL1A are two monitors that perform very similarly overall. The Dell has better ergonomics, gets brighter in SDR, has better reflection handling, and the response time is much quicker. However, the ASUS has a BFI feature, its max refresh rate is 170Hz, and it gets brighter and displays a wider color gamut in HDR.

Acer Nitro XV272U KVbmiiprzx

The Acer Nitro XV272U KVbmiiprzx and the Dell S2721DGF are both 27 inch IPS monitors with a 1440p resolution. The Acer has a slightly higher refresh rate of 170Hz next to the Dell's 165Hz, but the difference is small and shouldn't be noticeable to most people. The Acer has better response times, especially at 60Hz. Other than that, the only other big difference between them is the screen brightness.

Samsung Odyssey G7 S28AG70

The Dell S2721DGF and the Samsung Odyssey G7 S28AG70 are both great overall monitors, but they're different in a few areas. While the Dell has a 1440p resolution with a faster 165Hz refresh rate, the Samsung has a higher 4k resolution and a 144Hz refresh rate. The Samsung has HDMI 2.1 inputs that allow you to play 4k games up to 120 fps from consoles, and it has a completely flicker-free backlight. Motion looks smooth between both, but the Samsung has more overshoot at 60Hz. The Dell also has much better reflection handling, and it gets brighter, so it's a better choice for well-lit rooms.

ASUS ROG Strix XG27AQ

The Dell S2721DGF and the ASUS ROG Strix XG27AQ perform very similarly gaming-wise. The main difference is that the ASUS has a black frame insertion feature to improve motion clarity, and unlike most monitors, it can be used simultaneously with VRR. The ASUS doesn't get very bright, so it might be better to go with the Dell if you think glare might be an issue.

Samsung Odyssey G5 S27AG50

The Samsung Odyssey G5 S27AG50 and the Dell S2721DGF are similar gaming monitors. They both have a 165Hz refresh rate with an IPS panel and a 1440p resolution, but the Samsung has a BFI feature that the Dell doesn't have. However, this doesn't make much difference because both monitors have very quick response times for smooth motion. Also, the Dell has a local dimming feature, which the Samsung doesn't have, but it performs terribly anyways. The Dell has a few more features, like RGB illumination and a USB 3.0 hub, while the Samsung has a USB 2.0 port that you can only use for service updates, but the differences between the monitors are minor.

LG 32GP850-B

The LG 32GP850-B is slightly better than the Dell S2721DGF, but the main differences are minor and could be due to panel variance. The LG has more screen real estate, a faster refresh rate, better black uniformity, and it's more accurate out of the box. The LG, on the other hand, has better ergonomics and seems to be better built.

LG 27GN880-B

The LG 27GN880-B and the Dell S2721DGF are both 27 inch 1440p monitors. They have very similar response times, but the Dell has a slightly higher refresh rate of 165Hz versus the LG's 144Hz. Feature-wise, the LG comes with a monitor arm with a wider swivel range, and it takes up less desk space. The Dell has a USB hub with four USB ports, whereas the LG has none. If you tend to game in a bright room with a lot of glare, the Dell might be a better choice because it has better reflection handling and gets a bit brighter overall.

Dell S2721D

Overall, the Dell S2721DGF is significantly better than the Dell S2721D. The S2721DGF is a better choice for gaming, as it has a faster response time, lower input lag, and a much higher refresh rate. It also has better ergonomics, wider viewing angles, and supports HDR. However, the S2721D has better screen uniformity and color accuracy out-of-the-box.

Acer Predator XB273U GXbmiipruzx

The Dell S2721DGF and the Acer Predator XB273U GXbmiipruzx both perform well when it comes to gaming, but the Acer has a significantly higher refresh rate at 270Hz, while the Dell maxes out at 165Hz. Still, both have exceptional response times and low input lag. The Acer has a few extra features that the Dell doesn't, like Black Frame Insertion (BFI), built-in speakers, and a USB-C port with power delivery and DisplayPort Alt mode.

AOC CQ27G2

The Dell S2721DGF is much better than the AOC CQ27G2 for most users. The Dell has much better ergonomics, higher peak brightness, better reflection handling, and much better motion handling. The Dell also has wide viewing angles. On the other hand, the AOC has better contrast, so it might be a better choice for a dark room.

ASUS ROG Strix XG279Q

The ASUS ROG Strix XG279Q is slightly better than the Dell S2721DGF. The ASUS has a BFI feature, a quicker response time at 60Hz, a slightly higher max refresh rate, and much better color accuracy. However, the Dell has a quicker response time at its max refresh rate and a much lower input lag at 60Hz.

Dell S3422DWG

The Dell S2721DGF and the Dell S3422DWG use different panel technologies, each with strengths and weaknesses. The S2721DGF uses an IPS panel, and it has much better ergonomics, better viewing angles, and a better response time. The S3422DWG has better black uniformity, better contrast, and an optional backlight strobing feature.

LG 27GP950-B

The LG 27GP950-B is slightly better than the Dell S2721DGF. The LG has a higher resolution and much better text clarity, and it supports HDMI 2.1 for next-gen console gamers. The Dell, on the other hand, has much better reflection handling and much better ergonomics.

LG 27GN950-B

The Dell S2721DGF is slightly better than the LG 27GN950-B for gaming. The Dell has much better ergonomics, significantly better reflection handling, a lower input lag, and a slightly quicker response time at its max refresh rate. However, the LG has a higher 4k resolution, better out-of-the-box color accuracy, a quicker response time, and a lower input lag at 60Hz.

LG 32GN650-B

The Dell S2721DGF and the LG 32GN650-B are both gaming monitors, but they use different panel types with different advantages and disadvantages, and they are differently sized. The Dell is a 27 inch IPS monitor, so it has much wider viewing angles, resulting in an image that stays accurate when viewed from the side. However, it has a much lower contrast ratio than the VA panel on the LG, meaning that blacks appear grayish in the dark. The LG is better suited to dark room gaming. Its larger screen size also means it has a lower pixel density than the Dell, so the image isn't quite as sharp. The Dell also has a faster response time for clear motion, and it gets brighter, making it more suited to well-lit rooms.

ASUS TUF Gaming VG249Q1A

The ASUS TUF Gaming VG249Q1A and the Dell S2721DGF are great gaming monitors with a 165Hz refresh rate, but the ASUS has a 24 inch screen with a 1080p resolution, while the Dell has a 27 inch screen with a 1440p resolution. They're very similar in terms of gaming performance; the main differences are in the features. The Dell has USB ports, significantly better ergonomics, and it gets a lot brighter to combat glare. It also supports HDR and a wide color gamut.

MSI Optix G272

The Dell S2721DGF is much better than the MSI Optix G272. The Dell has much better ergonomics, better viewing angles, and a higher resolution screen. The Dell supports HDR, but this doesn't add much. On the other hand, the MSI has an optional Black Frame Insertion feature, and the unit we bought has better black uniformity, but this varies between units.

LG 34GP83A-B

Although the Dell S2721DGF and the LG 34GP83A-B have different screen sizes and aspect ratios, they're quite similar in gaming performance. Both monitors have exceptional response times, and the Dell's 165Hz refresh rate is only marginally higher than the LG's 160Hz. The Dell has better ergonomics and wider viewing angles, making it a better choice for sharing content or playing co-op games. On the other hand, the LG's 21:9 aspect ratio feels more immersive and provides more space for multitasking.

Samsung C27RG5

The Dell S2721DGF is much better than the Samsung C27RG5. The Dell has a much faster response time, so motion in games looks much better, with almost no noticeable blur behind fast-moving objects. The Dell also has much better ergonomics and a higher resolution screen.

ASUS ROG Strix XG16AHPE

The Dell S2721DGF and the ASUS ROG Strix XG16AHPE are two very different displays with different intended use cases. The Dell is a desktop monitor with a high-resolution screen and excellent ergonomics. The ASUS is a portable gaming monitor with a smaller screen and a lower native resolution. The Dell supports HDR, but it's not as accurate out of the box.

Lepow Z1

The Dell S2721DGF and the Lepow Z1 are completely different displays that target different uses. The Lepow is a portable monitor designed for office/productivity, while the Dell is a desktop gaming monitor. The Dell vastly outperforms the Lepow in almost every way, but the Lepow is far more portable.

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