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  1. Table of Contents
  2. Top
  3. Main Differences
  4. Design
    1. Style
    2. Stand
    3. Ergonomics
    4. Back
    5. Borders
    6. Thickness
    7. Build Quality
  5. Picture Quality
    1. Contrast
    2. Local Dimming
    3. SDR Peak Brightness
    4. HDR Peak Brightness
    5. Horizontal Viewing Angle
    6. Vertical Viewing Angle
    7. Gray Uniformity
    8. Black Uniformity
    9. Pre Calibration
    10. Post Calibration
    11. SDR Color Gamut
    12. SDR Color Volume
    13. HDR Color Gamut
    14. HDR Color Volume
    15. Image Retention
    16. Gradient
    17. Color Bleed
    18. Reflections
    19. Text Clarity
  6. Motion
    1. Response Time @ Max Refresh Rate
    2. Response Time @ 60Hz
    3. Image Flicker
    4. Black Frame Insertion (BFI)
    5. Refresh Rate
  7. Inputs
    1. Input Lag
    2. Resolution And Size
    3. Inputs
    4. Total Inputs
  8. Features
    1. Additional Features
    2. On-Screen Display (OSD)
    3. Controls
    4. In The Box
  9. Comments

LG 27UD68-B vs Dell U2718Q

Side-by-Side Comparison

Products

LG 27UD68-B
Dell U2718Q

Tested using Methodology v1.0

Updated Feb 15, 2023 07:49 PM

SEE PRICE
Amazon.com

Tested using Methodology v1.1

Updated Sep 03, 2021 01:36 AM

SEE PRICE
Amazon.com
LG 27UD68-B Picture
Dell U2718Q Picture

Variants

  • 27UD68P-B (27" Black)
  • 27UD68-W (27" White)
  • U2718Q (27")

Our Verdict

LG 27UD68-B

Dell U2718Q

The Dell U2718Q is better than the LG 27UD68P-B. The Dell U2718Q has better black uniformity and doesn't suffer from temporary image retention. The U2718Q also supports HDR, although this doesn't add much due to the poor color volume and insufficient peak brightness. The LG 27UD68P-B is flicker-free and has better motion handling overall thanks to AMD FreeSync support.

0 

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27" White
27UD68-W
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Read more

Main Differences for
Mixed Usage

Threshold 

0.10

Mixed Usage 

7.6
7.7

Ergonomics 
 

6.7
8.6

Full Comparison

Design

Style  

Design Picture  

LG 27UD68-B Design Picture
Dell U2718Q Design Picture

Size  

27"
27"

Curved  

No
No

Curve Radius  

N/A
Not Curved

Weight (without stand) 
 

9.9 lbs (4.5 kg)
8.2 lbs (3.7 kg)

Weight (with stand) 
 

12.6 lbs (5.7 kg)
13.8 lbs (6.3 kg)
Show Text 

Stand  

Stand Picture  

LG 27UD68-B Stand Picture
Dell U2718Q Stand Picture

Width 
 

19.9" (50.5 cm)
11.5" (29.2 cm)

Depth 
 

9.4" (23.9 cm)
7.9" (20.1 cm)
Show Text 

Ergonomics 
 

6.7
8.6

Ergonomics Picture  

LG 27UD68-B Ergonomics Picture
Dell U2718Q Ergonomics Picture

Height Adjustment 
 

4.8" (12.2 cm)
5.1" (13.0 cm)

Switch Portrait/Landscape  

Yes
Yes, Both Ways

Swivel Range  

N/A
-45° to 45°

Tilt Range  

-20° to 5°
-20° to 5°
Show Text 

Back  

Back Picture  

LG 27UD68-B Back Picture
Dell U2718Q Back Picture

Wall Mount  

VESA 100x100
VESA 100x100
Show Text 

Borders  

Borders Picture  

LG 27UD68-B Borders Picture
Dell U2718Q Borders Picture

Borders 
 

0.4" (1.0 cm)
0.3" (0.8 cm)
Show Text 

Thickness  

Thickness Picture  

LG 27UD68-B Thickness Picture
Dell U2718Q Thickness Picture

Thickness (with stand) 
 

5.7" (14.5 cm)
5.8" (14.7 cm)

Thickness (without stand) 
 

1.5" (3.8 cm)
1.8" (4.6 cm)
Show Text 

Build Quality 
 

6.5
7.5

Build Quality Picture  

LG 27UD68-B Build Quality Picture
Dell U2718Q Build Quality Picture
Show Text 
Picture Quality

Contrast 
 

6.3
6.5

Checkerboard Picture  

LG 27UD68-B Checkerboard Picture
Dell U2718Q Checkerboard Picture

LCD Type 
 

IPS
IPS

Native Contrast 
 

1,165 : 1
1,317 : 1

Contrast With Local Dimming 
 

N/A
N/A
Show Text 

Local Dimming 
 

0.0
0.0

Local Dimming Video  

Local Dimming Video  

Local Dimming 
 

No
No

Backlight 
 

Edge
Direct
Show Text 

SDR Peak Brightness 
 

7.6
7.6

SDR Real Scene 
 

313 cd/m²
305 cd/m²

SDR Peak 2% Window 
 

327 cd/m²
334 cd/m²

SDR Peak 10% Window 
 

328 cd/m²
335 cd/m²

SDR Peak 25% Window 
 

329 cd/m²
335 cd/m²

SDR Peak 50% Window 
 

329 cd/m²
335 cd/m²

SDR Peak 100% Window 
 

329 cd/m²
335 cd/m²

SDR Sustained 2% Window 
 

243 cd/m²
335 cd/m²

SDR Sustained 10% Window 
 

239 cd/m²
335 cd/m²

SDR Sustained 25% Window 
 

251 cd/m²
335 cd/m²

SDR Sustained 50% Window 
 

285 cd/m²
335 cd/m²

SDR Sustained 100% Window 
 

327 cd/m²
335 cd/m²

SDR ABL 
 

0.000
0.000
Show Text 

HDR Peak Brightness 
 

0.0
6.1

HDR Real Scene 
 

N/A
329 cd/m²

HDR Peak 2% Window 
 

N/A
266 cd/m²

HDR Peak 10% Window 
 

N/A
341 cd/m²

HDR Peak 25% Window 
 

N/A
346 cd/m²

HDR Peak 50% Window 
 

N/A
369 cd/m²

HDR Peak 100% Window 
 

N/A
383 cd/m²

HDR Sustained 2% Window 
 

N/A
194 cd/m²

HDR Sustained 10% Window 
 

N/A
211 cd/m²

HDR Sustained 25% Window 
 

N/A
223 cd/m²

HDR Sustained 50% Window 
 

N/A
230 cd/m²

HDR Sustained 100% Window 
 

N/A
239 cd/m²

HDR ABL 
 

N/A
0.013
Show Text 

Horizontal Viewing Angle 
 

6.8
7.9

Horizontal Viewing Angle Video  

Horizontal Chroma Graph  

Dell U2718Q Horizontal Chroma Graph

Color Washout From Left 
 

40°

Color Washout From Right 
 

42°

Horizontal Color Shift Picture  

LG 27UD68-B Horizontal Color Shift Picture

Horizontal Hue Graph  

Dell U2718Q Horizontal Hue Graph

Color Shift From Left 
 

35°
50°

Color Shift From Right 
 

39°
54°

Horizontal Brightness Picture  

LG 27UD68-B Horizontal Brightness Picture

Horizontal Black Level Picture  

LG 27UD68-B Horizontal Black Level Picture

Horizontal Lightness Graph  

Dell U2718Q Horizontal Lightness Graph

Brightness Loss From Left 
 

41°
44°

Brightness Loss From Right 
 

35°
47°

Black Level Raise From Left 
 

75°
70°

Black Level Raise From Right 
 

75°
70°

Curve Radius  

N/A

Gamma Shift From Left 
 

42°

Gamma Shift From Right 
 

45°
Show Text 

Vertical Viewing Angle 
 

8.2
7.4

Vertical Viewing Angle Video  

Vertical Chroma Graph  

Dell U2718Q Vertical Chroma Graph

Color Washout From Below 
 

33°

Color Washout From Above 
 

33°

Vertical Color Shift Picture  

LG 27UD68-B Vertical Color Shift Picture

Vertical Hue Graph  

Dell U2718Q Vertical Hue Graph

Color Shift From Below 
 

30°
46°

Color Shift From Above 
 

25°
49°

Vertical Brightness Picture  

LG 27UD68-B Vertical Brightness Picture

Vertical Black Level Picture  

LG 27UD68-B Vertical Black Level Picture

Vertical Lightness Graph  

Dell U2718Q Vertical Lightness Graph

Brightness Loss From Below 
 

38°
36°

Brightness Loss From Above 
 

34°
36°

Black Level Raise From Below 
 

75°
70°

Black Level Raise From Above 
 

75°
70°

Gamma Shift From Below 
 

43°

Gamma Shift From Above 
 

43°
Show Text 

Gray Uniformity 
 

8.6
8.5

50% Uniformity Picture  

LG 27UD68-B 50% Uniformity Picture
Dell U2718Q 50% Uniformity Picture

50% Std. Dev. 
 

3.111%
3.479%

50% DSE 
 

0.111%
0.116%

5% Uniformity Picture  

LG 27UD68-B 5% Uniformity Picture
Dell U2718Q 5% Uniformity Picture

5% Std. Dev. 
 

0.377%
0.378%

5% DSE 
 

0.042%
0.034%
Show Text 

Black Uniformity 
 

4.8
6.1

Native Black Uniformity Picture  

LG 27UD68-B Native Black Uniformity Picture
Dell U2718Q Native Black Uniformity Picture

Native Std. Dev. 
 

2.778%
1.911%

Black Uniformity Picture With Local Dimming  

LG 27UD68-B Black Uniformity Picture With Local Dimming
Dell U2718Q Black Uniformity Picture With Local Dimming

Std. Dev. w/ L.D. 
 

N/A
N/A
Show Text 

Pre Calibration 
 

8.4
7.3

Pre Calibration Picture  

LG 27UD68-B Pre Calibration Picture
Dell U2718Q Pre Calibration Picture

Pre Gamma Curve Picture  

LG 27UD68-B Pre Gamma Curve Picture
Dell U2718Q Pre Gamma Curve Picture

Pre Color Picture  

LG 27UD68-B Pre Color Picture
Dell U2718Q Pre Color Picture

Picture Mode 
 

Custom
Standard

Luminance 
 

318 cd/m²
284 cd/m²

Luminance Settings 
 

100
75

Contrast Setting 
 

70
75

RGB Controls 
 

50-50-50
100-100-100

Gamma Setting 
 

No Gamma Setting

Color Temperature 
 

6,563 K
6,068 K

White Balance dE 
 

1.68
3.53

Color dE 
 

2.65
2.83

Gamma 
 

2.09
2.21
Show Text 

Post Calibration 
 

9.4
9.6

Post Calibration Picture  

LG 27UD68-B Post Calibration Picture
Dell U2718Q Post Calibration Picture

Post Gamma Curve Picture  

LG 27UD68-B Post Gamma Curve Picture
Dell U2718Q Post Gamma Curve Picture

Post Color Picture  

LG 27UD68-B Post Color Picture
Dell U2718Q Post Color Picture

Picture Mode 
 

Custom
Custom Color

Luminance 
 

100 cd/m²
101 cd/m²

Luminance Settings 
 

10
22

Contrast Setting 
 

70
75

RGB Controls 
 

53-50-50
91-98-100

Gamma Setting 
 

No Gamma Setting

Color Temperature 
 

6,374 K
6,494 K

White Balance dE 
 

0.88
0.56

Color dE 
 

0.71
0.56

Gamma 
 

2.27
2.19
Show Text 

SDR Color Gamut 
 

8.8
8.6

Color Gamut sRGB Picture  

LG 27UD68-B Color Gamut sRGB Picture
Dell U2718Q Color Gamut sRGB Picture

sRGB xy 
 

97.8%
97.3%

Color Gamut ARGB Picture  

LG 27UD68-B Color Gamut ARGB Picture
Dell U2718Q Color Gamut ARGB Picture

Adobe RGB xy 
 

76.5%
75.8%

sRGB Picture Mode 
 

Custom Color

Adobe RGB Picture Mode 
 

Custom Color
Show Text 

SDR Color Volume 
 

8.9
9.1

sRGB Color Volume ITP Picture  

LG 27UD68-B sRGB Color Volume ITP Picture
Dell U2718Q sRGB Color Volume ITP Picture

sRGB In ICtCp 
 

95.8%
98.2%

Adobe RGB Color Volume ITP Picture  

LG 27UD68-B Adobe RGB Color Volume ITP Picture
Dell U2718Q Adobe RGB Color Volume ITP Picture

Adobe RGB In ICtCp 
 

81.8%
82.8%

sRGB Picture Mode 
 

Custom Color

Adobe RGB Picture Mode 
 

Custom Color
Show Text 

HDR Color Gamut 
 

0.0
6.6

Wide Color Gamut 
 

No
No

Color Gamut DCI-P3 Picture  

LG 27UD68-B Color Gamut DCI-P3 Picture
Dell U2718Q Color Gamut DCI-P3 Picture

DCI P3 xy 
 

N/A
74.9%

Color Gamut Rec.2020 Picture  

LG 27UD68-B Color Gamut Rec.2020 Picture
Dell U2718Q Color Gamut Rec.2020 Picture

Rec. 2020 xy 
 

N/A
57.3%

DCI P3 Picture Mode 
 

Custom Color

Rec. 2020 Picture Mode 
 

Custom Color
Show Text 

HDR Color Volume 
 

0.0
5.2

P3 Color Volume ITP Picture  

LG 27UD68-B P3 Color Volume ITP Picture
Dell U2718Q P3 Color Volume ITP Picture

DCI-P3 In ICtCp 
 

N/A
62.1%

2020 Color Volume ITP Picture  

LG 27UD68-B 2020 Color Volume ITP Picture
Dell U2718Q 2020 Color Volume ITP Picture

Rec. 2020 In ICtCp 
 

N/A
42.2%

DCI P3 Picture Mode 
 

Custom Color

Rec. 2020 Picture Mode 
 

Custom Color
Show Text 

Image Retention 
 

1.9
10

Image Retention Picture  

LG 27UD68-B Image Retention Picture
Dell U2718Q Image Retention Picture

IR After 0 Min Recovery 
 

1.11%
0.00%

IR After 2 Min Recovery 
 

0.41%
0.00%

IR After 4 Min Recovery 
 

0.12%
0.00%

IR After 6 Min Recovery 
 

0.09%
0.00%

IR After 8 Min Recovery 
 

0.06%
0.00%

IR After 10 Min Recovery 
 

0.00%
0.00%
Show Text 

Gradient 
 

9.9
10

Gradient Picture  

LG 27UD68-B Gradient Picture
Dell U2718Q Gradient Picture

Color Depth 
 

10 Bit
10 Bit
Show Text 

Color Bleed 
 

10
10

Color Bleed Horizontal  

LG 27UD68-B Color Bleed Horizontal
Dell U2718Q Color Bleed Horizontal

Pixel Row Error 
 

0.000%
0.000%

Color Bleed Vertical  

LG 27UD68-B Color Bleed Vertical
Dell U2718Q Color Bleed Vertical

Pixel Column Error 
 

0.000%
0.000%
Show Text 

Reflections 
 

7.0
5.9

Average Room  

LG 27UD68-B Average Room
Dell U2718Q Average Room

Average Room Off Picture  

LG 27UD68-B Average Room Off Picture
Dell U2718Q Average Room Off Picture

Bright Room Off Picture  

LG 27UD68-B Bright Room Off Picture
Dell U2718Q Bright Room Off Picture

Screen Finish 
 

Matte

Total Reflections 
 

8.3%

Indirect Reflections 
 

4.4%

Calculated Direct Reflections 
 

3.9%
Show Text 

Text Clarity 
 

9.5

ClearType On  

Dell U2718Q ClearType On

Pixel Type 
 

IPS
IPS

ClearType Off  

Dell U2718Q ClearType Off

Pixels  

Dell U2718Q Pixels

Sub-Pixel Layout 
 

RGB
Show Text 
Motion

Response Time @ Max Refresh Rate 
 

8.4
7.9

Motion Blur Picture  

LG 27UD68-B Motion Blur Picture

Motion Blur Picture  

Dell U2718Q Motion Blur Picture

Response Time Chart  

LG 27UD68-B Response Time Chart

Response Time Table  

Dell U2718Q Response Time Table

Best Overdrive Setting 
 

Middle
Normal

Rise / Fall Time 
 

5.0 ms
8.6 ms

Total Response Time 
 

16.6 ms
14.2 ms

Overshoot Error 
 

0.2%

Dark Rise / Fall Time 
 

8.7 ms

Dark Total Response Time 
 

15.1 ms

Dark Overshoot Error 
 

0.8%
Show Text 

Response Time @ 60Hz 
 

7.9

Motion Blur Picture  

Dell U2718Q Motion Blur Picture

Response Time Table  

Dell U2718Q Response Time Table

Best Overdrive Setting 
 

Normal

Rise / Fall Time 
 

8.6 ms

Total Response Time 
 

14.2 ms

Overshoot Error 
 

0.2%

Dark Rise / Fall Time 
 

8.7 ms

Dark Total Response Time 
 

15.1 ms

Dark Overshoot Error 
 

0.8%
Show Text 

Image Flicker 
 

7.5
7.4

Backlight Picture  

LG 27UD68-B Backlight Picture
Dell U2718Q Backlight Picture

Flicker-Free  

Yes
No

PWM Dimming Frequency 
 

0 Hz
650 Hz

Black Frame Insertion (BFI) 
 

No
No

BFI Picture  

LG 27UD68-B BFI Picture
Dell U2718Q BFI Picture

BFI Frequency Picture  

LG 27UD68-B BFI Frequency Picture
Dell U2718Q BFI Frequency Picture

BFI Maximum Frequency 
 

N/A
N/A

BFI Minimum Frequency 
 

N/A
N/A
Show Text 

Black Frame Insertion (BFI) 
 

0.0

Black Frame Insertion (BFI) 
 

No
No

BFI Picture  

LG 27UD68-B BFI Picture
Dell U2718Q BFI Picture

BFI Frequency Picture  

LG 27UD68-B BFI Frequency Picture
Dell U2718Q BFI Frequency Picture

BFI Maximum Frequency 
 

N/A
N/A

BFI Minimum Frequency 
 

N/A
N/A
Show Text 

Refresh Rate 
 

7.8
5.9

Variable Refresh Rate 
 

FreeSync
No VRR

Native 
 

60 Hz

Max Refresh Rate 
 

60 Hz
60 Hz

Factory Overclock 
 

N/A

Variable Refresh Rate 
 

FreeSync
No

FreeSync 
 

No

G-SYNC 
 

Yes
No

VRR Maximum 
 

60 Hz
N/A

VRR Minimum 
 

40 Hz
No VRR

VRR Maximum With OC 
 

N/A

VRR Supported Connectors  

DisplayPort
No VRR
Show Text 
Inputs

Input Lag 
 

8.9
9.0

Native Resolution 
 

9.3 ms
8.9 ms

Non-Native Res @ Native Refresh 
 

9.3 ms

Native Resolution @ 60Hz 
 

9.3 ms
8.9 ms

Variable Refresh Rate 
 

8.7 ms
N/A

Variable Refresh Rate @ 60Hz 
 

N/A

10 Bit HDR 
 

N/A
9.0 ms

Black Frame Insertion (BFI) 
 

N/A
N/A
Show Text 

Resolution And Size 
 

9.1
9.2

Native Resolution  

3840 x 2160
3840 x 2160

Aspect Ratio  

16:9
16:9

Megapixels  

8.3 MP
8.3 MP

Pixel Density 
 

164 PPI
164 PPI

Screen Diagonal  

26.9"
27.0"

Screen Area  

310 in²
310 in²
Show Text 

Inputs  

Inputs 1  

LG 27UD68-B Inputs 1
Dell U2718Q Inputs 1

Inputs 2  

LG 27UD68-B Inputs 2
Dell U2718Q Inputs 2
Show Text 

Total Inputs  

DisplayPort  

1 (DP 1.2)
1 (DP 1.2)

Mini DisplayPort  

No
1 (DP 1.2)

HDMI  

2 (HDMI 2.0)
1 (HDMI 2.0)

DVI  

No
No

VGA  

No
No

DisplayPort Out  

No
No

USB  

No
4 (USB 3.0)

USB C  

No
No

Analog Audio Out 3.5mm  

1
1

Microphone In 3.5mm  

No
No

Digital Optical Audio Out  

No
No

Analog Audio Out RCA  

No
No

Power Supply  

External Brick
Internal
Show Text 
Features

Additional Features 
 

RGB Illumination 
 

No

Speakers 
 

No
No

HDR10  

No
Yes

Multiple Input Display 
 

PBP
No
Show Text 

On-Screen Display (OSD)  

OSD Picture  

LG 27UD68-B OSD Picture
Dell U2718Q OSD Picture

Controls  

Controls Picture  

LG 27UD68-B Controls Picture
Dell U2718Q Controls Picture
Show Text 

In The Box  

In The Box Picture  

LG 27UD68-B In The Box Picture
Dell U2718Q In The Box Picture
Show Text 

Check Price

27" White
27UD68-W
Searching
Finding store

LG 27UD68-B

Dell U2718Q

Comments

  1. Comparison

LG 27UD68-B vs Dell U2718Q: Main Discussion

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