LG 27GL850-B/27GL83A-B vs 27GN950-B

Which Monitor Is Better?

Products

LG 27GL850-B/27GL83A-B
LG 27GN950-B

Tested using Methodology v2.1.1

Updated Nov 07, 2025 02:36 PM

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Amazon.com

Tested using Methodology v1.2

Updated Aug 11, 2025 03:47 PM

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Amazon.com

Our Verdict

LG 27GL850-B/27GL83A-B

LG 27GN950-B

The LG 27GN950-B is better than the LG 27GL850-B/27GL83A-B. The 27GN950-B has a higher 4k resolution, it gets brighter, has a bit quicker response time, and has better color accuracy. However, the 27GL850-B has much better reflection handling.

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Variants

  • 27GL850-B (27")
  • 27GL83A-B (27")
  • 27GN950-B (27")

Check Price

27"
27GL850-B
SEE PRICE
Amazon.com
27"
27GN950-B
SEE PRICE
Amazon.com
27"
27GL83A-B
SEE PRICE
Amazon.com
27"
27GN950-B
SEE PRICE
LG.com
 
27"
27GN950-B
SEE PRICE
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27"
27GN950-B
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27"
27GN950-B
B&H
Read more

Main Differences for
Mixed Usage

Threshold 

0.10

Mixed Usage 

7.9
No major differences between these monitors for mixed usage. See full list of tests below.

Full Comparison

Design

Style 
 

Design Picture  

Curved 
 

No
No

Curve Radius 
 

Not Curved
Not Curved
Show Text 

Accelerated Longevity Test 
 

Uniformity Pictures  

Longevity Graph  

Build Quality 
 

7.0
7.0

Build Quality Picture  

Show Text 

Ergonomics 
 

7.4
7.1

Ergonomics Picture  

Back Picture  

Height Adjustment 
 

4.1" (10.5 cm)
4.3" (11.0 cm)

Min Height To Top Of Panel 
 

17.9" (45.5 cm)

Tilt Range 
 

-15° to 5°
-15° to 5°

Rotate Portrait/Landscape 
 

Yes, Clockwise
Yes, Clockwise

Swivel Range 
 

No swivel
No swivel

Wall Mount 
 

VESA 100x100
VESA 100x100
Show Text 

Stand 
 

Stand Picture  

Thickness Picture  

Base Width 
 

18.9" (48.0 cm)
16.7" (42.5 cm)

Base Depth 
 

9.4" (23.9 cm)
11.5" (29.2 cm)

Thickness (With Display) 
 

6.5" (16.5 cm)
9.1" (23.0 cm)

Weight (With Display) 
 

13.2 lbs (6.0 kg)
16.8 lbs (7.6 kg)
Show Text 

Display 
 

Display Picture  

Size 
 

27"
27"

Housing Width 
 

24.2" (61.4 cm)
24.0" (61.0 cm)

Housing Height 
 

14.4" (36.5 cm)
13.9" (35.4 cm)

Thickness (Without Stand) 
 

2.2" (5.6 cm)
2.4" (6.0 cm)

Weight (Without Stand) 
 

9.0 lbs (4.1 kg)
12.1 lbs (5.5 kg)

Borders Size (Bezels)  
 

0.4" (1.0 cm)
0.2" (0.6 cm)

Controls 
 

Controls Picture  

Show Text 

In The Box 
 

In The Box Picture  

Power Supply 
 

External Brick
External Brick
Show Text 
Picture Quality

Contrast 
 

5.5
6.1

Checkerboard Picture  

Native Contrast 
 

735 : 1
1,048 : 1

Contrast With Local Dimming 
 

N/A
1,051 : 1
Show Text 

Local Dimming 
 

0.0
2.0

Local Dimming Video  

Local Dimming 
 

No
Yes

Backlight 
 

Edge
Edge
Show Text 

SDR Brightness 
 

7.8
8.2

Real Scene 
 

315 cd/m²
423 cd/m²

Peak 2% Window 
 

346 cd/m²
423 cd/m²

Peak 10% Window 
 

346 cd/m²
424 cd/m²

Peak 25% Window 
 

346 cd/m²
424 cd/m²

Peak 50% Window 
 

347 cd/m²
424 cd/m²

Peak 100% Window 
 

347 cd/m²
424 cd/m²

Sustained 2% Window 
 

346 cd/m²
422 cd/m²

Sustained 10% Window 
 

346 cd/m²
424 cd/m²

Sustained 25% Window 
 

346 cd/m²
424 cd/m²

Sustained 50% Window 
 

346 cd/m²
424 cd/m²

Sustained 100% Window 
 

347 cd/m²
424 cd/m²

Automatic Brightness Limiting (ABL) 
 

0.000
0.000

Minimum Brightness 
 

50 cd/m²
83 cd/m²
Show Text 

HDR Brightness 
 

6.6
7.4

EOTF  

VESA DisplayHDR Certification 
 

No Certification
DisplayHDR 600

Real Scene 
 

363 cd/m²
454 cd/m²

Peak 2% Window 
 

394 cd/m²
678 cd/m²

Peak 10% Window 
 

395 cd/m²
710 cd/m²

Peak 25% Window 
 

396 cd/m²
722 cd/m²

Peak 50% Window 
 

396 cd/m²
729 cd/m²

Peak 100% Window 
 

396 cd/m²
730 cd/m²

Sustained 2% Window 
 

376 cd/m²
677 cd/m²

Sustained 10% Window 
 

379 cd/m²
708 cd/m²

Sustained 25% Window 
 

371 cd/m²
441 cd/m²

Sustained 50% Window 
 

380 cd/m²
444 cd/m²

Sustained 100% Window 
 

395 cd/m²
445 cd/m²

Automatic Brightness Limiting (ABL) 
 

0.010
0.035
Show Text 

Gray Uniformity 
 

7.8
8.0

50% Uniformity Picture  

50% Std. Dev. 
 

3.120%
3.545%

50% DSE 
 

0.156%
0.133%
Show Text 

Black Uniformity 
 

4.8
2.3

Native Black Uniformity Picture  

Native Std. Dev. 
 

2.831%
4.222%

Black Uniformity Picture With Local Dimming  

Std. Dev. w/ L.D. 
 

N/A
5.843%
Show Text 

Color Accuracy (Pre-Calibration) 
 

7.3
7.9

Pre Calibration Picture  

Pre Gamma Curve Picture  

Pre Color Picture  

Picture Mode 
 

sRGB
sRGB

sRGB Gamut Area xy 
 

100.4%
104.7%

White Balance dE (Avg.) 
 

6.96
4.45

Color Temperature (Avg.) 
 

7,860 K
7,247 K

Gamma (Avg.) 
 

2.13
2.32

Color dE (Avg.) 
 

4.15
2.78

Contrast Setting 
 

N/A
70

RGB Settings 
 

Default
Default

Gamma Setting 
 

Default
Default

Brightness Setting 
 

40
5

Measured Brightness 
 

182 cd/m²
107 cd/m²

Brightness Locked 
 

No
No
Show Text 

Color Accuracy (Post-Calibration) 
 

9.5
9.8

Post Calibration Picture  

Post Gamma Curve Picture  

Post Color Picture  

Picture Mode 
 

Gamer 1
Gamer 1

sRGB Gamut Area xy 
 

102.7%
101.1%

White Balance dE (Avg.) 
 

0.66
0.48

Color Temperature (Avg.) 
 

6,473 K
6,461 K

Gamma (Avg.) 
 

2.18
2.18

Color dE (Avg.) 
 

0.56
0.31

Contrast Setting 
 

68
70

RGB Settings 
 

49-46-40
50-48-45

Gamma Setting 
 

Mode 2
Mode 2

Brightness Setting 
 

18
6

Measured Brightness 
 

102 cd/m²
102 cd/m²

ICC Profile 
 

Show Text 

SDR Color Gamut 
 

9.5
9.6

sRGB Color Gamut Picture  

sRGB Coverage xy 
 

99.6%
100.0%

sRGB Picture Mode 
 

Gamer 1
Gamer 1

Adobe RGB Color Gamut Picture  

Adobe RGB Coverage xy 
 

88.2%
88.3%

Adobe RGB Picture Mode 
 

Gamer 1
Gamer 1
Show Text 

HDR Color Gamut 
 

8.8
8.9

Wide Color Gamut 
 

Yes
Yes

DCI-P3 Color Gamut Picture  

DCI-P3 Coverage xy 
 

95.2%
95.7%

DCI-P3 Picture Mode 
 

Standard
Gamer 1

Rec. 2020 Color Gamut Picture  

Rec. 2020 Coverage xy 
 

70.5%
69.4%

Rec. 2020 Picture Mode 
 

Standard
Gamer 1
Show Text 

HDR Color Volume 
 

7.1
7.7

DCI-P3 Color Volume ITP Picture  

1,000 cd/m² DCI-P3 Coverage ICtCp 
 

57.7%
78.9%

DCI-P3 Picture Mode 
 

Standard
Gamer 1

Rec. 2020 Color Volume ITP Picture  

10,000 cd/m² Rec. 2020 Coverage ICtCp 
 

27.6%
63.2%

Rec. 2020 Picture Mode 
 

Standard
Gamer 1
Show Text 

Viewing Angle 
 

8.4
7.7

Viewing Angle Video  

Chroma Graph  

Color Washout From Left 
 

45°
37°

Color Washout From Right 
 

45°
36°

Hue Graph  

Color Shift From Left 
 

51°
53°

Color Shift From Right 
 

51°
55°

Lightness Graph  

Brightness Loss From Left 
 

48°
42°

Brightness Loss From Right 
 

50°
42°

Black Level Raise From Left 
 

70°
70°

Black Level Raise From Right 
 

70°
70°

Gamma Shift From Left 
 

58°
39°

Gamma Shift From Right 
 

55°
40°
Show Text 

Text Clarity 
 

7.0
9.0

ClearType On  

ClearType Off  

Pixel Type 
 

IPS
IPS

Pixels  

Subpixel Layout 
 

RGB
RGB
Show Text 

Direct Reflections 
 

6.4

Ring Light Picture  

Direct Reflections Graph  

See details

Peak Direct Reflection Intensity 
 

32.4%

Screen Finish 
 

Matte
Matte
Show Text 

Ambient Black Level Raise 
 

8.7

Black Level Raise Picture  

Ambient Black Level Raise Graph  

See details

Black Luminance @ 0 lx 
 

0.30 cd/m²

Black Luminance @ 1000 lx 
 

0.58 cd/m²
Show Text 

Total Reflected Light 
 

5.8

Bright Room Off Picture  

Total Reflection Ring Light Picture  

Total Reflected Light Intensity 
 

34,862% ⋅ pixel

Diffraction Artifacts 
 

No
Show Text 

Gradient 
 

9.7
9.8

Gradient Picture  

Color Depth 
 

10 Bit
10 Bit
Show Text 

Vertical Viewing Angle 
 

8.2

Vertical Viewing Angle Video  

Vertical Chroma Graph  

Color Washout From Below 
 

38°

Color Washout From Above 
 

34°

Vertical Hue Graph  

Color Shift From Below 
 

67°

Color Shift From Above 
 

68°

Vertical Lightness Graph  

Brightness Loss From Below 
 

39°

Brightness Loss From Above 
 

37°

Black Level Raise From Below 
 

70°

Black Level Raise From Above 
 

70°

Gamma Shift From Below 
 

52°

Gamma Shift From Above 
 

60°
Show Text 

SDR Color Volume 
 

9.7

sRGB Color Volume ITP Picture  

sRGB In ICtCp 
 

97.5%

sRGB Picture Mode 
 

Gamer 1

Adobe RGB Color Volume ITP Picture  

Adobe RGB In ICtCp 
 

91.8%

Adobe RGB Picture Mode 
 

Gamer 1
Show Text 

Reflections 
 

5.7

Average Room  

Average Room Off Picture  

Bright Room Off Picture  

Screen Finish 
 

Matte
Matte

Total Reflections 
 

8.9%

Indirect Reflections 
 

4.9%

Calculated Direct Reflections 
 

4.0%
Show Text 
Motion

Refresh Rate 
 

7.4
8.5

Native Refresh Rate 
 

144 Hz
144 Hz

Max Refresh Rate 
 

144 Hz
160 Hz

Max Refresh Rate Over DP 
 

144 Hz
160 Hz

Max Refresh Rate Over HDMI 
 

144 Hz
60 Hz

Max Refresh Rate Over DP @ 10-bit 
 

144 Hz
160 Hz

Max Refresh Rate Over HDMI @ 10-Bit 
 

75 Hz
30 Hz

DSC Toggle 
 

No

DSC Off Max Refresh Rate Over DP 
 

N/A

DSC Off Max Refresh Rate Over HDMI 
 

N/A
Show Text 

Variable Refresh Rate (VRR) 
 

Variable Refresh Rate 
 

Yes
Yes

FreeSync 
 

Yes
Yes

G-SYNC 
 

Compatible (NVIDIA Certified)
Compatible (NVIDIA Certified)

VRR Maximum 
 

144 Hz
144 Hz

VRR Minimum 
 

< 20 Hz
< 20 Hz

VRR Supported Connectors 
 

DisplayPort, HDMI
DisplayPort, HDMI
Show Text 

VRR Motion Performance 
 

7.5

Pursuit Photo VRR  

OD Mode CAD Comparison  

See details

Recommended VRR OD Setting 
 

Fast

Variable Overdrive Advertised 
 

No

Avg. CAD 
 

189

Best CAD 
 

182

Worst CAD 
 

205
Show Text 

Refresh Rate Compliance 
 

7.3

Fast GTG Sequence  

See details

VRR Compliance  

See details

Compliance @ Max Hz 
 

53%

Compliance @ 120 FPS 
 

58%

Compliance @ 60 FPS 
 

76%
Show Text 

Response Time @ 60Hz 
 

8.4

Motion Blur Picture  

Response Time Table  

Recommended Overdrive Setting 
 

Fast
Normal

Rise / Fall Time 
 

6.5 ms
4.6 ms

Total Response Time 
 

13.7 ms
9.4 ms

Overshoot Error 
 

5 RGB
0.4%

Worst 3 Rise / Fall Time 
 

10.8 ms
6.2 ms

Worst 3 Total Response Time 
 

21.8 ms
17.8 ms

Worst 3 Overshoot Error 
 

16 RGB
3.4%
Show Text 

CAD @ Max Refresh Rate 
 

7.4

Pursuit Photo At Max Refresh  

CAD Heatmap At Max Refresh  

OD Transition Max Refresh Rate 
 

od-transition-max-refresh-rate-fast-0-31
OD fast
0 to 31

Recommended Overdrive Setting 
 

Fast

Avg. CAD 
 

182

Best 10% CAD 
 

104

Worst 10% CAD 
 

300
Show Text 

Response Time @ Max Refresh Rate 
 

First Response Time 
 

7.1 ms
3.8 ms

Total Response Time 
 

7.1 ms
6.9 ms

Recommended Overdrive Setting 
 

Fast
Fast

Motion Blur Picture  

RGB Overshoot 
 

0 RGB
1.3%

Worst 10% RGB Overshoot 
 

1 RGB
9.9%

Worst 10% First Response Time 
 

13.0 ms
5.4 ms

Worst 10% Total Response Time 
 

13.0 ms
11.2 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-transition-120-fast-0-31
OD fast
0 to 31

Recommended Overdrive Setting 
 

Fast

Avg. CAD 
 

183

Best 10% CAD 
 

103

Worst 10% CAD 
 

301
Show Text 

Response Time @ 120Hz 
 

Worst 10% First Response Time 
 

13.0 ms
4.4 ms

RGB Overshoot 
 

1 RGB
4.2%

Total Response Time 
 

7.4 ms
8.5 ms

First Response Time 
 

6.8 ms
3.7 ms

Recommended Overdrive Setting 
 

Fast
Fast

Worst 10% Total Response Time 
 

13.1 ms
13.6 ms

Worst 10% RGB Overshoot 
 

8 RGB
18.6%

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-transition-60-fast-0-31
OD fast
0 to 31

Recommended Overdrive Setting 
 

Fast

Avg. CAD 
 

208

Best 10% CAD 
 

115

Worst 10% CAD 
 

331
Show Text 

Response Time @ 60Hz 
 

Recommended Overdrive Setting 
 

Fast
Normal

First Response Time 
 

6.5 ms
4.6 ms

Total Response Time 
 

13.7 ms
9.4 ms

RGB Overshoot 
 

5 RGB
0.4%

Worst 10% Total Response Time 
 

21.8 ms
17.8 ms

Worst 10% First Response Time 
 

10.8 ms
6.2 ms

Worst 10% RGB Overshoot 
 

16 RGB
3.4%

60Hz First Response Heatmap  

60Hz Total Response Heatmap  

60Hz RGB Overshoot Heatmap  

Show Text 

Backlight Strobing (BFI) 
 

Backlight Strobing Picture  

Backlight Strobing Frequency Picture  

Backlight Strobing (BFI) 
 

No BFI
No BFI

Maximum Frequency 
 

N/A
N/A

Minimum Frequency 
 

N/A
N/A

Longest Pulse Width Brightness 
 

N/A
N/A

Shortest Pulse Width Brightness 
 

N/A
N/A

Pulse Width Control 
 

No BFI
No BFI

Pulse Phase Control 
 

No BFI
No BFI

Pulse Amplitude Control 
 

No BFI
No BFI

VRR At The Same Time 
 

No BFI
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 
 

10
10

Backlight Picture  

Flicker-Free 
 

Yes
Yes

PWM Dimming Frequency 
 

0 Hz
0 Hz
Show Text 
Inputs

Input Lag 
 

8.7
8.9

Native Resolution @ Max Hz 
 

4.3 ms
4.2 ms

Native Resolution @ 120Hz 
 

5.1 ms
5.0 ms

Native Resolution @ 60Hz 
 

14.0 ms
9.3 ms

Backlight Strobing (BFI) 
 

N/A
N/A
Show Text 

Resolution 
 

7.5
9.0

Native Resolution 
 

2560 x 1440
3840 x 2160

Aspect Ratio 
 

16:9
16:9

Megapixels 
 

3.7 MP
8.3 MP

Pixel Density 
 

109 PPI
164 PPI

Measured Screen Diagonal 
 

27.0"

Screen Area 
 

310 in²
Show Text 

PS5 Compatibility 
 

4.9
7.0

PS5 Compatibility Photo  

PS5 Compatibility Table  

4k @ 120Hz 
 

No
No

4k @ 60Hz 
 

Yes
Yes

1440p @ 120Hz 
 

Yes
Yes

1440p @ 60Hz 
 

Yes
Yes

1080p @ 120Hz 
 

Yes
Yes

1080p @ 60Hz 
 

Yes
Yes

HDR 
 

Yes

VRR 
 

No
Show Text 

Xbox Series X|S Compatibility 
 

6.6
9.2

XSX Compatibility Photo  

XSX Compatibility Table  

4k @ 120Hz 
 

No
No

4k @ 60Hz 
 

Yes
Yes

1440p @ 120Hz 
 

Yes
Yes

1440p @ 60Hz 
 

Yes
Yes

1080p @ 120Hz 
 

Yes
Yes

1080p @ 60Hz 
 

Yes
Yes

HDR 
 

Yes

VRR 
 

Yes
Show Text 

Inputs Photos  

Inputs 1  

Inputs 2  

Inputs 
 

Inputs 1  

Inputs 2  

DisplayPort 
 

1 (DP 1.4)
1 (DP 1.4)

DisplayPort Transmission Bandwidth 
 

No DisplayPort 2.1

Mini DisplayPort 
 

No
No

DVI 
 

No

HDMI 
 

2 (HDMI 2.0)
2 (HDMI 2.0)

VGA 
 

No

HDMI 2.1 Bandwidth 
 

No HDMI 2.1
No HDMI 2.1

Daisy Chaining 
 

No
No

3.5mm Audio Out 
 

Yes
1

3.5mm Audio In 
 

No

3.5mm Microphone In 
 

No

Ethernet 
 

No

HDR10 
 

Yes
Yes

Dolby Vision 
 

No
Show Text 

USB 
 

USB-A Ports 
 

2
2

USB-A Rated Speed 
 

5Gbps (USB 3.2 Gen 1)
5Gbps (USB 3.2 Gen 1)

USB-B Upstream Port 
 

Yes
Yes

USB-C Ports 
 

0
0

USB-C Upstream 
 

No USB-C Ports
No USB-C Ports

USB-C Rated Speed 
 

No USB-C Ports
No USB-C Ports

USB-C Power Delivery 
 

No USB-C Ports
No USB-C Ports

USB-C DisplayPort Alt Mode 
 

No USB-C Ports
No USB-C Ports

Thunderbolt 
 

No
No
Show Text 

macOS Compatibility 
 

macOS Screenshot  

Show Text 
Features

Additional Features 
 

Speakers 
 

No
No

RGB Illumination 
 

No
Presets

Multiple Input Display 
 

No
PIP

KVM Switch 
 

No
No

Smart OS 
 

No
Show Text 

On-Screen Display (OSD) 
 

OSD Picture  

Check Price

27"
27GL850-B
SEE PRICE
Amazon.com
27"
27GN950-B
SEE PRICE
Amazon.com
27"
27GL83A-B
SEE PRICE
Amazon.com
27"
27GN950-B
SEE PRICE
LG.com
 
27"
27GN950-B
SEE PRICE
BestBuy.com
 
27"
27GN950-B
SEE PRICE
Walmart.com
 
27"
27GN950-B
B&H

LG 27GL850-B/27GL83A-B

LG 27GN950-B

Comments

  1. Comparison

LG 27GL850-B/27GL83A-B vs LG 27GN950-B: Main Discussion

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