LG 27GL850-B/27GL83A-B vs Samsung Odyssey G55T C27G55T: Which Monitor Is Better?

27"

LC27G55TQWNXZA

27"

27GL83A-B

27"

LC27G55TQWNXZA

BestBuy.com

27"

LC27G55TQWNXZA

Walmart.com

27"

LC27G55TQWNXZA

B&H

27"

LC27G55TQWNXZA

Samsung.com

Notice: Two or more of the products selected have been tested with different test methodologies, so some of the results below aren't directly comparable. Learn how our test benches and scoring system work, and read more about the latest changes to our monitors test methodology.

Threshold

0.10

Mixed Usage

6.7

No major differences between these monitors for mixed usage. See full list of tests below.

Full Comparison

Mixed Usage

6.7

PC Gaming

6.8

7.3

Console Gaming

6.2

5.9

Office

7.3

6.1

Media Consumption

7.2

Editing

6.9

6.8

Brightness

7.1

Response Time

7.4

HDR Picture

4.7

SDR Picture

6.0

Color Accuracy

7.9

Design

Style

Design Picture

Curved

Yes

Curve Radius

Not Curved

1000R

Show Text

Accelerated Longevity Test

Uniformity Pictures

Longevity Graph

Build Quality

7.0

Build Quality Picture

Show Text

Ergonomics

7.4

1.7

Ergonomics Picture

Back Picture

Height Adjustment

4.1" (10.5 cm)

0.0" (0.0 cm)

Min Height To Top Of Panel

17.9" (45.5 cm)

Tilt Range

-15° to 5°

-17.5° to 2.5°

Rotate Portrait/Landscape

Yes, Clockwise

Swivel Range

No swivel

Wall Mount

VESA 100x100

VESA 75x75

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Stand

Stand Picture

Thickness Picture

Base Width

18.9" (48.0 cm)

21.7" (55.0 cm)

Base Depth

9.4" (23.9 cm)

10.8" (27.5 cm)

Thickness (With Display)

6.5" (16.5 cm)

9.4" (24.0 cm)

Weight (With Display)

13.2 lbs (6.0 kg)

9.9 lbs (4.5 kg)

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Display

Display Picture

Size

27"

Housing Width

24.2" (61.4 cm)

Housing Height

14.4" (36.5 cm)

15.1" (38.3 cm)

Thickness (Without Stand)

2.2" (5.6 cm)

4.7" (12.0 cm)

Weight (Without Stand)

9.0 lbs (4.1 kg)

9.7 lbs (4.4 kg)

Borders Size (Bezels)

0.4" (1.0 cm)

0.5" (1.2 cm)

Controls

Controls Picture

Show Text

In The Box

In The Box Picture

Power Supply

External Brick

Show Text

Picture Quality

Contrast

5.5

7.9

Checkerboard Picture

Native Contrast

735 : 1

2,997 : 1

Contrast With Local Dimming

N/A

Show Text

Local Dimming

0.0

Local Dimming Video

Local Dimming

Backlight

Edge

Show Text

SDR Brightness

7.8

7.2

Real Scene

315 cd/m²

285 cd/m²

Peak 2% Window

346 cd/m²

150 cd/m²

Peak 10% Window

346 cd/m²

281 cd/m²

Peak 25% Window

346 cd/m²

281 cd/m²

Peak 50% Window

347 cd/m²

281 cd/m²

Peak 100% Window

347 cd/m²

281 cd/m²

Sustained 2% Window

346 cd/m²

150 cd/m²

Sustained 10% Window

346 cd/m²

281 cd/m²

Sustained 25% Window

346 cd/m²

281 cd/m²

Sustained 50% Window

346 cd/m²

281 cd/m²

Sustained 100% Window

347 cd/m²

281 cd/m²

Automatic Brightness Limiting (ABL)

0.000

0.044

Minimum Brightness

50 cd/m²

37 cd/m²

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HDR Brightness

6.6

5.9

EOTF

VESA DisplayHDR Certification

No Certification

Real Scene

363 cd/m²

298 cd/m²

Peak 2% Window

394 cd/m²

159 cd/m²

Peak 10% Window

395 cd/m²

297 cd/m²

Peak 25% Window

396 cd/m²

297 cd/m²

Peak 50% Window

396 cd/m²

297 cd/m²

Peak 100% Window

396 cd/m²

297 cd/m²

Sustained 2% Window

376 cd/m²

158 cd/m²

Sustained 10% Window

379 cd/m²

296 cd/m²

Sustained 25% Window

371 cd/m²

297 cd/m²

Sustained 50% Window

380 cd/m²

297 cd/m²

Sustained 100% Window

395 cd/m²

297 cd/m²

Automatic Brightness Limiting (ABL)

0.010

0.043

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Gray Uniformity

7.8

8.7

50% Uniformity Picture

50% Std. Dev.

3.120%

1.852%

50% DSE

0.156%

0.119%

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Black Uniformity

4.8

3.5

Native Black Uniformity Picture

Native Std. Dev.

2.831%

3.691%

Black Uniformity Picture With Local Dimming

Std. Dev. w/ L.D.

N/A

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Color Accuracy (Pre-Calibration)

7.3

9.0

Pre Calibration Picture

Pre Gamma Curve Picture

Pre Color Picture

Picture Mode

sRGB

Custom

sRGB Gamut Area xy

100.4%

101.1%

White Balance dE (Avg.)

6.96

1.74

Color Temperature (Avg.)

7,860 K

6,747 K

Gamma (Avg.)

2.13

2.08

Color dE (Avg.)

4.15

2.16

Contrast Setting

N/A

RGB Settings

Default

50-50-50

Gamma Setting

Default

Mode 1

Brightness Setting

Measured Brightness

182 cd/m²

191 cd/m²

Brightness Locked

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Color Accuracy (Post-Calibration)

9.5

9.3

Post Calibration Picture

Post Gamma Curve Picture

Post Color Picture

Picture Mode

Gamer 1

Custom

sRGB Gamut Area xy

102.7%

95.0%

White Balance dE (Avg.)

0.66

0.51

Color Temperature (Avg.)

6,473 K

6,472 K

Gamma (Avg.)

2.18

2.19

Color dE (Avg.)

0.56

0.84

Contrast Setting

RGB Settings

49-46-40

52-49-48

Gamma Setting

Mode 2

Mode 1

Brightness Setting

Measured Brightness

102 cd/m²

100 cd/m²

ICC Profile

Download

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SDR Color Gamut

9.5

8.5

sRGB Color Gamut Picture

sRGB Coverage xy

99.6%

95.5%

sRGB Picture Mode

Gamer 1

Custom

Adobe RGB Color Gamut Picture

Adobe RGB Coverage xy

88.2%

73.2%

Adobe RGB Picture Mode

Gamer 1

Custom

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HDR Color Gamut

8.8

5.9

Wide Color Gamut

Yes

DCI-P3 Color Gamut Picture

DCI-P3 Coverage xy

95.2%

74.7%

DCI-P3 Picture Mode

Standard

Custom

Rec. 2020 Color Gamut Picture

Rec. 2020 Coverage xy

70.5%

51.9%

Rec. 2020 Picture Mode

Standard

Custom

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HDR Color Volume

7.1

5.4

DCI-P3 Color Volume ITP Picture

1,000 cd/m² DCI-P3 Coverage ICtCp

57.7%

55.3%

DCI-P3 Picture Mode

Standard

Custom

Rec. 2020 Color Volume ITP Picture

10,000 cd/m² Rec. 2020 Coverage ICtCp

27.6%

42.2%

Rec. 2020 Picture Mode

Standard

Custom

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Viewing Angle

8.4

5.4

Viewing Angle Video

Chroma Graph

Color Washout From Left

45°

29°

Color Washout From Right

45°

29°

Hue Graph

Color Shift From Left

51°

39°

Color Shift From Right

51°

42°

Lightness Graph

Brightness Loss From Left

48°

30°

Brightness Loss From Right

50°

30°

Black Level Raise From Left

70°

12°

Black Level Raise From Right

70°

14°

Gamma Shift From Left

58°

12°

Gamma Shift From Right

55°

15°

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Text Clarity

7.0

ClearType On

ClearType Off

Pixel Type

IPS

Pixels

Subpixel Layout

RGB

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Direct Reflections

6.4

Ring Light Picture

Direct Reflections Graph

Peak Direct Reflection Intensity

32.4%

Screen Finish

Matte

Show Text

Ambient Black Level Raise

8.7

Black Level Raise Picture

Ambient Black Level Raise Graph

Black Luminance @ 0 lx

0.30 cd/m²

Black Luminance @ 1000 lx

0.58 cd/m²

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Total Reflected Light

5.8

Bright Room Off Picture

Total Reflection Ring Light Picture

Total Reflected Light Intensity

34,862% ⋅ pixel

Diffraction Artifacts

Show Text

Gradient

9.7

9.8

Gradient Picture

Color Depth

10 Bit

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Vertical Viewing Angle

4.9

Vertical Viewing Angle Video

Vertical Chroma Graph

Color Washout From Below

25°

Color Washout From Above

26°

Vertical Hue Graph

Color Shift From Below

25°

Color Shift From Above

29°

Vertical Lightness Graph

Brightness Loss From Below

28°

Brightness Loss From Above

29°

Black Level Raise From Below

6°

Black Level Raise From Above

9°

Gamma Shift From Below

12°

Gamma Shift From Above

15°

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SDR Color Volume

7.7

sRGB Color Volume ITP Picture

sRGB In ICtCp

79.7%

sRGB Picture Mode

Custom

Adobe RGB Color Volume ITP Picture

Adobe RGB In ICtCp

67.4%

Adobe RGB Picture Mode

Custom

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Reflections

7.8

Average Room

Average Room Off Picture

Bright Room Off Picture

Screen Finish

Matte

Total Reflections

5.2%

Indirect Reflections

3.6%

Calculated Direct Reflections

1.5%

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Motion

Refresh Rate

7.4

8.3

Native Refresh Rate

144 Hz

Max Refresh Rate

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

120 Hz

Max Refresh Rate Over HDMI @ 10-Bit

75 Hz

60 Hz

DSC Toggle

DSC Off Max Refresh Rate Over DP

N/A

DSC Off Max Refresh Rate Over HDMI

N/A

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Variable Refresh Rate (VRR)

Variable Refresh Rate

Yes

FreeSync

Yes

G-SYNC

Compatible (NVIDIA Certified)

Compatible (Tested)

VRR Maximum

144 Hz

VRR Minimum

< 20 Hz

VRR Supported Connectors

DisplayPort, HDMI

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VRR Motion Performance

7.5

Pursuit Photo VRR

OD Mode CAD Comparison

Recommended VRR OD Setting

Fast

Variable Overdrive Advertised

Avg. CAD

189

Best CAD

182

Worst CAD

205

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Refresh Rate Compliance

7.3

Fast GTG Sequence

VRR Compliance

Compliance @ Max Hz

53%

Compliance @ 120 FPS

58%

Compliance @ 60 FPS

76%

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Response Time @ 60Hz

2.6

Motion Blur Picture

Response Time Table

Recommended Overdrive Setting

Fast

FreeSync On

Rise / Fall Time

6.5 ms

18.2 ms

Total Response Time

13.7 ms

33.3 ms

Overshoot Error

5 RGB

0.0%

Worst 3 Rise / Fall Time

10.8 ms

28.3 ms

Worst 3 Total Response Time

21.8 ms

49.7 ms

Worst 3 Overshoot Error

16 RGB

0.0%

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CAD @ Max Refresh Rate

7.4

Pursuit Photo At Max Refresh

CAD Heatmap At Max Refresh

OD Transition Max Refresh Rate

OD fast

0 to 31

Cycle through frames

Recommended Overdrive Setting

Fast

Avg. CAD

182

Best 10% CAD

104

Worst 10% CAD

300

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Response Time @ Max Refresh Rate

First Response Time

7.1 ms

11.6 ms

Total Response Time

7.1 ms

21.9 ms

Recommended Overdrive Setting

Fast

FreeSync On

Motion Blur Picture

RGB Overshoot

0 RGB

0.0%

Worst 10% RGB Overshoot

1 RGB

0.0%

Worst 10% First Response Time

13.0 ms

23.2 ms

Worst 10% Total Response Time

13.0 ms

38.6 ms

Heatmap First Response

Heatmap Total Response

Heatmap RGB Overshoot

Response Time Table

Show Text

CAD @ 120Hz

7.4

Pursuit Photo 120Hz

CAD Heatmap 120Hz

OD Transition 120Hz

OD fast

0 to 31

Cycle through frames

Recommended Overdrive Setting

Fast

Avg. CAD

183

Best 10% CAD

103

Worst 10% CAD

301

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Response Time @ 120Hz

Worst 10% First Response Time

13.0 ms

23.3 ms

RGB Overshoot

1 RGB

0.0%

Total Response Time

7.4 ms

22.9 ms

First Response Time

6.8 ms

12.3 ms

Recommended Overdrive Setting

Fast

FreeSync On

Worst 10% Total Response Time

13.1 ms

38.7 ms

Worst 10% RGB Overshoot

8 RGB

0.0%

120Hz First Response Heatmap

120Hz Total Response Heatmap

120Hz Heatmap RGB Overshoot

Motion Blur Picture

Response Time Table

Show Text

CAD @ 60Hz

7.1

Pursuit Photo 60Hz

CAD Heatmap 60Hz

OD Transition 60Hz

OD fast

0 to 31

Cycle through frames

Recommended Overdrive Setting

Fast

Avg. CAD

208

Best 10% CAD

115

Worst 10% CAD

331

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Response Time @ 60Hz

Recommended Overdrive Setting

Fast

FreeSync On

First Response Time

6.5 ms

18.2 ms

Total Response Time

13.7 ms

33.3 ms

RGB Overshoot

5 RGB

0.0%

Worst 10% Total Response Time

21.8 ms

49.7 ms

Worst 10% First Response Time

10.8 ms

28.3 ms

Worst 10% RGB Overshoot

16 RGB

0.0%

60Hz First Response Heatmap

60Hz Total Response Heatmap

60Hz RGB Overshoot Heatmap

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Backlight Strobing (BFI)

Backlight Strobing Picture

Backlight Strobing Frequency Picture

Backlight Strobing (BFI)

No BFI

Yes

Maximum Frequency

N/A

144 Hz

Minimum Frequency

N/A

144 Hz

Longest Pulse Width Brightness

N/A

147 cd/m²

Shortest Pulse Width Brightness

N/A

147 cd/m²

Pulse Width Control

No BFI

Pulse Phase Control

No BFI

Pulse Amplitude Control

No BFI

VRR At The Same Time

No BFI

Show Text

VRR Flicker

8.5

VRR Flicker Video

VRR Flicker Graph

Dark Gray Flicker

0.9 RGB

Middle Gray Flicker

1.7 RGB

Light Gray Flicker

1.5 RGB

Show Text

Image Flicker

2.0

Backlight Picture

Flicker-Free

Yes

PWM Dimming Frequency

0 Hz

144 Hz

Show Text

Inputs

Input Lag

8.7

8.8

Native Resolution @ Max Hz

4.3 ms

4.5 ms

Native Resolution @ 120Hz

5.1 ms

5.2 ms

Native Resolution @ 60Hz

14.0 ms

9.2 ms

Backlight Strobing (BFI)

N/A

4.4 ms

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Resolution

7.5

8.0

Native Resolution

2560 x 1440

Aspect Ratio

16:9

Megapixels

3.7 MP

Pixel Density

109 PPI

Measured Screen Diagonal

27.0"

Screen Area

310 in²

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PS5 Compatibility

4.9

7.0

PS5 Compatibility Photo

PS5 Compatibility Table

4k @ 120Hz

4k @ 60Hz

Yes

1440p @ 120Hz

Yes

1440p @ 60Hz

Yes

1080p @ 120Hz

Yes

1080p @ 60Hz

Yes

HDR

Yes

VRR

Show Text

Xbox Series X|S Compatibility

6.6

9.2

XSX Compatibility Photo

XSX Compatibility Table

4k @ 120Hz

4k @ 60Hz

Yes

1440p @ 120Hz

Yes

1440p @ 60Hz

Yes

1080p @ 120Hz

Yes

1080p @ 60Hz

Yes

HDR

Yes

VRR

Yes

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Inputs Photos

Inputs 1

Inputs 2

Inputs

Inputs 1

Inputs 2

DisplayPort

1 (DP 1.4)

1 (DP 1.2)

DisplayPort Transmission Bandwidth

No DisplayPort 2.1

Mini DisplayPort

DVI

HDMI

2 (HDMI 2.0)

1 (HDMI 2.0)

VGA

HDMI 2.1 Bandwidth

No HDMI 2.1

Daisy Chaining

3.5mm Audio Out

Yes

3.5mm Audio In

3.5mm Microphone In

Ethernet

HDR10

Yes

Dolby Vision

Show Text

USB

USB-A Ports

1 (Service Port Only)

USB-A Rated Speed

5Gbps (USB 3.2 Gen 1)

480Mbps (USB 2.0)

USB-B Upstream Port

Yes

USB-C Ports

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

Show Text

macOS Compatibility

macOS Screenshot

Show Text

Features

Additional Features

Speakers

Yes

RGB Illumination

Multiple Input Display

KVM Switch

Smart OS

Show Text

On-Screen Display (OSD)

OSD Picture

Check Price

27"

27GL850-B

27"

LC27G55TQWNXZA

27"

27GL83A-B

27"

LC27G55TQWNXZA

BestBuy.com

27"

LC27G55TQWNXZA