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  1. Home
  2. Monitor
  3. Compare
  1. Table of Contents
  2. Top
  3. Main Differences
  4. Design
    1. Style
    2. Accelerated Longevity Test
    3. Build Quality
    4. Ergonomics
    5. Stand
    6. Display
    7. Controls
    8. In The Box
    9. Back
    10. Borders
    11. Thickness
  5. Picture Quality
    1. Contrast
    2. Local Dimming
    3. SDR Brightness
    4. HDR Brightness
    5. Horizontal Viewing Angle
    6. Vertical Viewing Angle
    7. Gray Uniformity
    8. Black Uniformity
    9. Color Accuracy (Pre-Calibration)
    10. Color Accuracy (Post-Calibration)
    11. SDR Color Gamut
    12. SDR Color Volume
    13. HDR Color Gamut
    14. HDR Color Volume
    15. Image Retention
    16. Reflections
    17. Text Clarity
    18. Gradient
    19. Color Bleed
  6. Motion
    1. Refresh Rate
    2. Variable Refresh Rate (VRR)
    3. Response Time @ Max Refresh Rate
    4. Response Time @ 120Hz
    5. Response Time @ 60Hz
    6. Backlight Strobing (BFI)
    7. Image Flicker
  7. Inputs
    1. Input Lag
    2. Resolution And Size
    3. PS5 Compatibility
    4. Xbox Series X|S Compatibility
    5. Inputs Photos
    6. Video And Audio Ports
    7. USB
    8. macOS Compatibility
  8. Features
    1. Additional Features
    2. On-Screen Display (OSD)
    3. Controls
    4. In The Box
  9. Comments

Dell S2721D vs LG 27GN800-B

Side-by-Side Comparison

Products

Dell S2721D
LG 27GN800-B

Tested using Methodology v1.1

Updated Apr 02, 2024 07:57 PM

SEE PRICE
Amazon.com

Tested using Methodology v1.2

Updated Dec 15, 2023 02:01 PM

SEE PRICE
Amazon.com
Dell S2721D Picture
LG 27GN800-B Picture
Max Refresh Rate
75 Hz
Size
27"
Pixel Type
IPS
Variable Refresh Rate
FreeSync
HDR10
No
Native Resolution
2560 x 1440
Max Refresh Rate
144 Hz
Size
27"
Pixel Type
IPS
Variable Refresh Rate
Yes
HDR10
Yes
Native Resolution
2560 x 1440

Variants

  • S2721D (27")
  • 27GN800-B (27")

Review

See Dell S2721D Review
See LG 27GN800-B Review
7 
32 

Our Verdict

Dell S2721D

LG 27GN800-B

Full comparison details regarding individual product score sets can be found in the section below

Check Price

27"
S2721D
SEE PRICE
Amazon.com
27"
27GN800-B
SEE PRICE
Amazon.com
27"
S2721D
SEE PRICE
Walmart.com
27"
27GN800-B
SEE PRICE
LG.com
27"
S2721D
SEARCH
B&H
27"
27GN800-B
SEE PRICE
Walmart.com
27"
S2721D
SEARCH
BestBuy.com
27"
27GN800-B
SEE PRICE
BestBuy.com
 
27"
27GN800-B
SEARCH
B&H
Read more

Main Differences for
Mixed Usage

Threshold 

0.10

Mixed Usage 

7.3
7.4

Vertical Viewing Angle 
 

9.2
6.6

HDR Color Gamut 
 

0.0
8.5

Full Comparison

Design

Style 
 

Design Picture  

Dell S2721D Design Picture
LG 27GN800-B Design Picture

Curved 
 

No
No

Curve Radius 
 

Not Curved
Not Curved

Size  

27"
27"

Weight (without stand) 
 

8.2 lbs (3.7 kg)
11.9 lbs (5.4 kg)

Weight (with stand) 
 

9.7 lbs (4.4 kg)
13.4 lbs (6.1 kg)
Show Text 

Accelerated Longevity Test 
 

Uniformity Pictures  

Longevity Graph  

LG 27GN800-B Longevity Graph

Build Quality 
 

7.5
7.0

Build Quality Picture  

Dell S2721D Build Quality Picture
LG 27GN800-B Build Quality Picture
Show Text 

Ergonomics 
 

1.5
1.5

Ergonomics Picture  

Dell S2721D Ergonomics Picture
LG 27GN800-B Ergonomics Picture

Back Picture  

Dell S2721D Back Picture
LG 27GN800-B Back Picture

Height Adjustment 
 

0.0" (0.0 cm)
0.0" (0.0 cm)

Tilt Range 
 

-21° to 5°
-15° to 2.5°

Rotate Portrait/Landscape 
 

No
No

Swivel Range 
 

No swivel
No swivel

Wall Mount 
 

VESA 100x100
VESA 100x100
Show Text 

Stand 
 

Stand Picture  

Dell S2721D Stand Picture
LG 27GN800-B Stand Picture

Thickness Picture  

Dell S2721D Thickness Picture
LG 27GN800-B Thickness Picture

Base Width 
 

9.9" (25.1 cm)
18.6" (47.3 cm)

Base Depth 
 

7.0" (17.7 cm)
9.3" (23.5 cm)

Thickness (With Display) 
 

5.0" (12.6 cm)
6.0" (15.2 cm)

Weight (With Display) 
 

9.7 lbs (4.4 kg)
13.4 lbs (6.1 kg)
Show Text 

Display 
 

Display Picture  

LG 27GN800-B Display Picture

Size 
 

27"
27"

Housing Width 
 

24.2" (61.5 cm)

Housing Height 
 

14.4" (36.5 cm)

Thickness (Without Stand) 
 

1.9" (4.8 cm)
3.0" (7.5 cm)

Weight (Without Stand) 
 

8.2 lbs (3.7 kg)
11.9 lbs (5.4 kg)

Borders Size (Bezels)  
 

0.2" (0.6 cm)
0.3" (0.8 cm)

Controls 
 

Controls Picture  

Dell S2721D Controls Picture
LG 27GN800-B Controls Picture
Show Text 

In The Box 
 

In The Box Picture  

Dell S2721D In The Box Picture
LG 27GN800-B In The Box Picture

Power Supply 
 

Internal
External Brick
Show Text 

Back  

Back Picture  

Dell S2721D Back Picture
LG 27GN800-B Back Picture

Wall Mount  

VESA 100x100
VESA 100x100
Show Text 

Borders  

Borders Picture  

Dell S2721D Borders Picture

Borders 
 

0.2" (0.6 cm)
0.3" (0.8 cm)
Show Text 

Thickness  

Thickness Picture  

Dell S2721D Thickness Picture
LG 27GN800-B Thickness Picture

Thickness (with stand) 
 

5.0" (12.6 cm)
6.0" (15.2 cm)

Thickness (without stand) 
 

1.9" (4.8 cm)
3.0" (7.5 cm)
Show Text 
Picture Quality

Contrast 
 

6.0
5.7

Checkerboard Picture  

Dell S2721D Checkerboard Picture
LG 27GN800-B Checkerboard Picture

Native Contrast 
 

1,015 : 1
841 : 1

Contrast With Local Dimming 
 

N/A
N/A
Show Text 

Local Dimming 
 

0.0
0.0

Local Dimming Video  

Local Dimming 
 

No
No

Backlight 
 

Edge
Edge
Show Text 

SDR Brightness 
 

7.8
7.6

Real Scene 
 

316 cd/m²
304 cd/m²

Peak 2% Window 
 

332 cd/m²
328 cd/m²

Peak 10% Window 
 

334 cd/m²
329 cd/m²

Peak 25% Window 
 

334 cd/m²
329 cd/m²

Peak 50% Window 
 

334 cd/m²
330 cd/m²

Peak 100% Window 
 

334 cd/m²
330 cd/m²

Sustained 2% Window 
 

331 cd/m²
328 cd/m²

Sustained 10% Window 
 

333 cd/m²
329 cd/m²

Sustained 25% Window 
 

333 cd/m²
329 cd/m²

Sustained 50% Window 
 

334 cd/m²
330 cd/m²

Sustained 100% Window 
 

334 cd/m²
329 cd/m²

Automatic Brightness Limiting (ABL) 
 

0.000
0.000

Minimum Brightness 
 

55 cd/m²
Show Text 

HDR Brightness 
 

0.0
6.4

EOTF  

LG 27GN800-B EOTF

VESA DisplayHDR Certification 
 

No Certification

Real Scene 
 

N/A
346 cd/m²

Peak 2% Window 
 

N/A
371 cd/m²

Peak 10% Window 
 

N/A
373 cd/m²

Peak 25% Window 
 

N/A
372 cd/m²

Peak 50% Window 
 

N/A
373 cd/m²

Peak 100% Window 
 

N/A
372 cd/m²

Sustained 2% Window 
 

N/A
371 cd/m²

Sustained 10% Window 
 

N/A
372 cd/m²

Sustained 25% Window 
 

N/A
372 cd/m²

Sustained 50% Window 
 

N/A
372 cd/m²

Sustained 100% Window 
 

N/A
372 cd/m²

Automatic Brightness Limiting (ABL) 
 

N/A
0.000
Show Text 

Horizontal Viewing Angle 
 

7.8
8.5

Horizontal Viewing Angle Video  

Horizontal Chroma Graph  

Dell S2721D Horizontal Chroma Graph
LG 27GN800-B Horizontal Chroma Graph

Color Washout From Left 
 

46°
50°

Color Washout From Right 
 

42°
47°

Horizontal Hue Graph  

Dell S2721D Horizontal Hue Graph
LG 27GN800-B Horizontal Hue Graph

Color Shift From Left 
 

54°
56°

Color Shift From Right 
 

63°
55°

Horizontal Lightness Graph  

Dell S2721D Horizontal Lightness Graph
LG 27GN800-B Horizontal Lightness Graph

Brightness Loss From Left 
 

52°
50°

Brightness Loss From Right 
 

51°
49°

Black Level Raise From Left 
 

70°
70°

Black Level Raise From Right 
 

30°
70°

Gamma Shift From Left 
 

44°
58°

Gamma Shift From Right 
 

39°
57°
Show Text 

Vertical Viewing Angle 
 

9.2
6.6

Vertical Viewing Angle Video  

Vertical Chroma Graph  

Dell S2721D Vertical Chroma Graph
LG 27GN800-B Vertical Chroma Graph

Color Washout From Below 
 

50°
31°

Color Washout From Above 
 

59°
31°

Vertical Hue Graph  

Dell S2721D Vertical Hue Graph
LG 27GN800-B Vertical Hue Graph

Color Shift From Below 
 

64°
38°

Color Shift From Above 
 

60°
41°

Vertical Lightness Graph  

Dell S2721D Vertical Lightness Graph
LG 27GN800-B Vertical Lightness Graph

Brightness Loss From Below 
 

54°
35°

Brightness Loss From Above 
 

58°
37°

Black Level Raise From Below 
 

70°
70°

Black Level Raise From Above 
 

70°
23°

Gamma Shift From Below 
 

67°
31°

Gamma Shift From Above 
 

70°
30°
Show Text 

Gray Uniformity 
 

8.9
7.7

50% Uniformity Picture  

Dell S2721D 50% Uniformity Picture
LG 27GN800-B 50% Uniformity Picture

50% Std. Dev. 
 

2.217%
4.072%

50% DSE 
 

0.090%
0.145%

5% Uniformity Picture  

Dell S2721D 5% Uniformity Picture

5% Std. Dev. 
 

0.261%

5% DSE 
 

0.047%
Show Text 

Black Uniformity 
 

6.7
4.5

Native Black Uniformity Picture  

Dell S2721D Native Black Uniformity Picture
LG 27GN800-B Native Black Uniformity Picture

Native Std. Dev. 
 

1.489%
3.033%

Black Uniformity Picture With Local Dimming  

Dell S2721D Black Uniformity Picture With Local Dimming
LG 27GN800-B Black Uniformity Picture With Local Dimming

Std. Dev. w/ L.D. 
 

N/A
N/A
Show Text 

Color Accuracy (Pre-Calibration) 
 

6.2
5.4

Pre Calibration Picture  

Dell S2721D Pre Calibration Picture
LG 27GN800-B Pre Calibration Picture

Pre Gamma Curve Picture  

Dell S2721D Pre Gamma Curve Picture
LG 27GN800-B Pre Gamma Curve Picture

Pre Color Picture  

Dell S2721D Pre Color Picture
LG 27GN800-B Pre Color Picture

Picture Mode 
 

Custom Color
Gamer 1

sRGB Gamut Area xy 
 

129.7%

White Balance dE (Avg.) 
 

4.59
5.39

Color Temperature (Avg.) 
 

5,806 K
6,969 K

Gamma (Avg.) 
 

2.17
2.13

Color dE (Avg.) 
 

3.60
4.85

Contrast Setting 
 

75
70

RGB Settings 
 

100-100-100
50-50-50

Gamma Setting 
 

No Gamma Setting
Mode 2

Brightness Setting 
 

100
59

Measured Brightness 
 

385 cd/m²
195 cd/m²

Brightness Locked 
 

No
Show Text 

Color Accuracy (Post-Calibration) 
 

9.6
9.7

Post Calibration Picture  

Dell S2721D Post Calibration Picture
LG 27GN800-B Post Calibration Picture

Post Gamma Curve Picture  

Dell S2721D Post Gamma Curve Picture
LG 27GN800-B Post Gamma Curve Picture

Post Color Picture  

Dell S2721D Post Color Picture
LG 27GN800-B Post Color Picture

Picture Mode 
 

Custom Color
Gamer 1

sRGB Gamut Area xy 
 

100.7%

White Balance dE (Avg.) 
 

0.78
0.74

Color Temperature (Avg.) 
 

6,543 K
6,469 K

Gamma (Avg.) 
 

2.18
2.17

Color dE (Avg.) 
 

0.48
0.41

Contrast Setting 
 

75
70

RGB Settings 
 

92-94-100
48-50-47

Gamma Setting 
 

No Gamma Setting
Mode 2

Brightness Setting 
 

21
15

Measured Brightness 
 

100 cd/m²
101 cd/m²

ICC Profile 
 

Download
Show Text 

SDR Color Gamut 
 

8.8
9.6

sRGB Color Gamut Picture  

Dell S2721D sRGB Color Gamut Picture
LG 27GN800-B sRGB Color Gamut Picture

sRGB Coverage xy 
 

98.6%
100.0%

sRGB Picture Mode 
 

Custom Color
Gamer 1

Adobe RGB Color Gamut Picture  

Dell S2721D Adobe RGB Color Gamut Picture
LG 27GN800-B Adobe RGB Color Gamut Picture

Adobe RGB Coverage xy 
 

76.4%
89.4%

Adobe RGB Picture Mode 
 

Custom Color
Gamer 1
Show Text 

SDR Color Volume 
 

9.0
9.6

sRGB Color Volume ITP Picture  

Dell S2721D sRGB Color Volume ITP Picture
LG 27GN800-B sRGB Color Volume ITP Picture

sRGB In ICtCp 
 

97.4%
97.1%

sRGB Picture Mode 
 

Custom Color
Gamer 1

Adobe RGB Color Volume ITP Picture  

Dell S2721D Adobe RGB Color Volume ITP Picture
LG 27GN800-B Adobe RGB Color Volume ITP Picture

Adobe RGB In ICtCp 
 

82.3%
91.4%

Adobe RGB Picture Mode 
 

Custom Color
Gamer 1
Show Text 

HDR Color Gamut 
 

0.0
8.5

Wide Color Gamut 
 

N/A
Yes

DCI-P3 Color Gamut Picture  

Dell S2721D DCI-P3 Color Gamut Picture
LG 27GN800-B DCI-P3 Color Gamut Picture

DCI-P3 Coverage xy 
 

93.2%

DCI-P3 Picture Mode 
 

No HDR
Gamer 2

Rec. 2020 Color Gamut Picture  

Dell S2721D Rec. 2020 Color Gamut Picture
LG 27GN800-B Rec. 2020 Color Gamut Picture

Rec. 2020 Coverage xy 
 

N/A
67.6%

Rec. 2020 Picture Mode 
 

No HDR
Gamer 2

DCI P3 xy 
 

N/A
Show Text 

HDR Color Volume 
 

0.0
7.4

DCI-P3 Color Volume ITP Picture  

Dell S2721D DCI-P3 Color Volume ITP Picture
LG 27GN800-B DCI-P3 Color Volume ITP Picture

DCI-P3 In ICtCp 
 

N/A
76.4%

DCI-P3 Picture Mode 
 

No HDR
Gamer 2

Rec. 2020 Color Volume ITP Picture  

Dell S2721D Rec. 2020 Color Volume ITP Picture
LG 27GN800-B Rec. 2020 Color Volume ITP Picture

Rec. 2020 In ICtCp 
 

N/A
57.0%

Rec. 2020 Picture Mode 
 

No HDR
Gamer 2
Show Text 

Image Retention 
 

9.7

Image Retention Picture  

Dell S2721D Image Retention Picture

IR After 0 Min Recovery 
 

0.08%

IR After 2 Min Recovery 
 

0.01%

IR After 4 Min Recovery 
 

0.02%

IR After 6 Min Recovery 
 

0.00%

IR After 8 Min Recovery 
 

0.00%

IR After 10 Min Recovery 
 

0.00%
Show Text 

Reflections 
 

8.4
8.2

Average Room  

Dell S2721D Average Room
LG 27GN800-B Average Room

Average Room Off Picture  

Dell S2721D Average Room Off Picture
LG 27GN800-B Average Room Off Picture

Bright Room Off Picture  

Dell S2721D Bright Room Off Picture
LG 27GN800-B Bright Room Off Picture

Screen Finish 
 

Matte
Matte

Total Reflections 
 

4.3%
4.8%

Indirect Reflections 
 

3.8%
4.1%

Calculated Direct Reflections 
 

0.5%
0.7%
Show Text 

Text Clarity 
 

7.0
7.0

ClearType On  

Dell S2721D ClearType On
LG 27GN800-B ClearType On

ClearType Off  

Dell S2721D ClearType Off
LG 27GN800-B ClearType Off

Pixel Type 
 

IPS
IPS

Pixels  

Dell S2721D Pixels
LG 27GN800-B Pixels

Subpixel Layout 
 

RGB
RGB
Show Text 

Gradient 
 

8.6
9.8

Gradient Picture  

Dell S2721D Gradient Picture
LG 27GN800-B Gradient Picture

Color Depth 
 

8 Bit
10 Bit
Show Text 

Color Bleed 
 

10

Color Bleed Horizontal  

Dell S2721D Color Bleed Horizontal

Pixel Row Error 
 

0.000%

Color Bleed Vertical  

Dell S2721D Color Bleed Vertical

Pixel Column Error 
 

0.000%
Show Text 
Motion

Refresh Rate 
 

8.3

Native Refresh Rate 
 

75 Hz
144 Hz

Max Refresh Rate 
 

75 Hz
144 Hz

Max Refresh Rate Over DP 
 

144 Hz

Max Refresh Rate Over HDMI 
 

144 Hz

Max Refresh Rate Over DP @ 10-bit 
 

144 Hz

Max Refresh Rate Over HDMI @ 10-Bit 
 

60 Hz

Variable Refresh Rate (VRR) 
 

FreeSync 
 

Yes
Yes

G-SYNC 
 

Compatible (Tested)
Compatible (NVIDIA Certified)

VRR Maximum 
 

75 Hz
144 Hz

VRR Minimum 
 

48 Hz
< 20 Hz

VRR Supported Connectors 
 

DisplayPort, HDMI
DisplayPort, HDMI

Variable Refresh Rate 
 

FreeSync
Yes

Native 
 

75 Hz
144 Hz

Max Refresh Rate 
 

75 Hz
144 Hz

Variable Refresh Rate 
 

Yes
Show Text 

Response Time @ Max Refresh Rate 
 

7.0
9.2

Motion Blur Picture  

Dell S2721D Motion Blur Picture
LG 27GN800-B Motion Blur Picture

Response Time Table  

Dell S2721D Response Time Table
LG 27GN800-B Response Time Table

Recommended Overdrive Setting 
 

Normal
Normal

Rise / Fall Time 
 

9.8 ms
3.2 ms

Total Response Time 
 

17.4 ms
6.1 ms

Overshoot Error 
 

0.0%
1.1%

Worst 3 Rise / Fall Time 
 

11.8 ms
4.1 ms

Worst 3 Total Response Time 
 

19.8 ms
10.0 ms

Worst 3 Overshoot Error 
 

0.0%
8.4%
Show Text 

Response Time @ 120Hz 
 

9.0

Motion Blur Picture  

LG 27GN800-B Motion Blur Picture

Response Time Table  

LG 27GN800-B Response Time Table

Recommended Overdrive Setting 
 

Normal

Rise / Fall Time 
 

3.2 ms

Total Response Time 
 

7.2 ms

Overshoot Error 
 

1.8%

Worst 3 Rise / Fall Time 
 

4.1 ms

Worst 3 Total Response Time 
 

12.2 ms

Worst 3 Overshoot Error 
 

11.3%
Show Text 

Response Time @ 60Hz 
 

7.3
8.1

Motion Blur Picture  

Dell S2721D Motion Blur Picture
LG 27GN800-B Motion Blur Picture

Response Time Table  

Dell S2721D Response Time Table
LG 27GN800-B Response Time Table

Recommended Overdrive Setting 
 

Normal
Normal

Rise / Fall Time 
 

9.5 ms
3.3 ms

Total Response Time 
 

16 ms
13.3 ms

Overshoot Error 
 

0.1%
2.9%

Worst 3 Rise / Fall Time 
 

11.8 ms
4.1 ms

Worst 3 Total Response Time 
 

18.2 ms
22.6 ms

Worst 3 Overshoot Error 
 

0.0%
14.6%
Show Text 

Backlight Strobing (BFI) 
 

Backlight Strobing Picture  

Dell S2721D Backlight Strobing Picture
LG 27GN800-B Backlight Strobing Picture

Backlight Strobing Frequency Picture  

Dell S2721D Backlight Strobing Frequency Picture
LG 27GN800-B Backlight Strobing Frequency Picture

Backlight Strobing (BFI) 
 

No BFI
Yes

Maximum Frequency 
 

N/A
144 Hz

Minimum Frequency 
 

N/A
120 Hz

Longest Pulse Width Brightness 
 

172 cd/m²

Shortest Pulse Width Brightness 
 

172 cd/m²

Pulse Width Control 
 

No

Pulse Phase Control 
 

No

Pulse Amplitude Control 
 

Yes

VRR At The Same Time 
 

No
Show Text 

Image Flicker 
 

10
10

Backlight Picture  

Dell S2721D Backlight Picture
LG 27GN800-B Backlight Picture

Flicker-Free 
 

Yes
Yes

PWM Dimming Frequency 
 

0 Hz
0 Hz
Show Text 
Inputs

Input Lag 
 

9.1
8.9

Native Resolution @ Max Hz 
 

6.9 ms
4.0 ms

Native Resolution @ 120Hz 
 

4.8 ms

Native Resolution @ 60Hz 
 

8.6 ms
8.9 ms

Variable Refresh Rate 
 

7.7 ms

Variable Refresh Rate @ 60Hz 
 

9.4 ms

10 Bit HDR 
 

N/A

Backlight Strobing (BFI) 
 

N/A
7.4 ms
Show Text 

Resolution And Size 
 

8.3
8.0

Native Resolution 
 

2560 x 1440
2560 x 1440

Aspect Ratio 
 

16:9
16:9

Megapixels 
 

3.7 MP
3.7 MP

Pixel Density 
 

109 PPI
109 PPI

Measured Screen Diagonal 
 

27.0"
27.0"

Screen Area 
 

310 in²
311 in²
Show Text 

PS5 Compatibility 
 

7.0

PS5 Compatibility Photo  

LG 27GN800-B PS5 Compatibility Photo

4k @ 120Hz 
 

No

4k @ 60Hz 
 

Yes

1440p @ 120Hz 
 

Yes

1440p @ 60Hz 
 

Yes

1080p @ 120Hz 
 

Yes

1080p @ 60Hz 
 

Yes

HDR 
 

Yes

VRR 
 

No
Show Text 

Xbox Series X|S Compatibility 
 

9.2

XSX Compatibility Photo  

LG 27GN800-B XSX Compatibility Photo

4k @ 120Hz 
 

No

4k @ 60Hz 
 

Yes

1440p @ 120Hz 
 

Yes

1440p @ 60Hz 
 

Yes

1080p @ 120Hz 
 

Yes

1080p @ 60Hz 
 

Yes

HDR 
 

Yes

VRR 
 

Yes
Show Text 

Inputs Photos  

Inputs 1  

Dell S2721D Inputs 1
LG 27GN800-B Inputs 1

Inputs 2  

Dell S2721D Inputs 2
LG 27GN800-B Inputs 2

Video And Audio Ports 
 

DisplayPort 
 

1 (DP 1.2)
1 (DP 1.4)

Mini DisplayPort 
 

No
No

HDMI 
 

2 (HDMI 1.4)
2 (HDMI 2.0)

HDMI 2.1 Rated Speed 
 

No HDMI 2.1

DVI 
 

No
No

VGA 
 

No
No

Daisy Chaining 
 

No

3.5mm Audio Out 
 

1
1

HDR10 
 

No
Yes

3.5mm Audio In 
 

No

3.5mm Microphone In 
 

No
No

DisplayPort Out  

No

USB  

No
1 (Service Port Only)

USB C  

No
0

Digital Optical Audio Out  

No

Analog Audio Out RCA  

No

Power Supply  

Internal
External Brick
Show Text 

USB 
 

USB-A Ports 
 

No
1 (Service Port Only)

USB-A Rated Speed 
 

480Mbps (USB 2.0)

USB-B Upstream Port 
 

No

USB-C Ports 
 

No
0

USB-C Upstream 
 

No USB-C Ports

USB-C Rated Speed 
 

No USB-C Ports

USB-C Power Delivery 
 

No USB-C Ports

USB-C DisplayPort Alt Mode 
 

No USB-C Ports

Thunderbolt 
 

No

macOS Compatibility 
 

macOS Screenshot  

LG 27GN800-B macOS Screenshot
Show Text 
Features

Additional Features 
 

Speakers 
 

Yes
No

RGB Illumination 
 

No
No

Multiple Input Display 
 

No
No

KVM Switch 
 

No

HDR10  

No
Yes
Show Text 

On-Screen Display (OSD) 
 

OSD Picture  

Dell S2721D OSD Picture
LG 27GN800-B OSD Picture

Controls  

Controls Picture  

Dell S2721D Controls Picture
LG 27GN800-B Controls Picture
Show Text 

In The Box  

In The Box Picture  

Dell S2721D In The Box Picture
LG 27GN800-B In The Box Picture
Show Text 

Check Price

27"
S2721D
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Amazon.com
27"
27GN800-B
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Amazon.com
27"
S2721D
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Walmart.com
27"
27GN800-B
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LG.com
27"
S2721D
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B&H
27"
27GN800-B
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Walmart.com
27"
S2721D
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BestBuy.com
27"
27GN800-B
SEE PRICE
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27"
27GN800-B
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Dell S2721D

LG 27GN800-B

Comments

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Dell S2721D vs LG 27GN800-B: Main Discussion

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