Monitor
Products
In The Lab
Forums
Newsletters
Join now
Best
Gaming Monitors Budget Gaming PS5/PS5 Pro 4k Gaming Budget OLED 1440p Gaming Mac Mini Office Curved Gaming 4k MacBook Pro Curved Ultrawide Xbox Series X Brands Gaming Size Photo Editing Dual Setup
Tools
Compare Results Table Tool Review List Review Index Graph Review Pipeline Vote Custom Ratings
Popular
ASUS ROG Swift OLED PG27UCDM AOC Q27G3XMN Dell S3225QC ASUS ROG Strix OLED XG27AQDMG ASUS ROG Swift OLED PG34WCDN Dell Alienware AW2726DM ASUS ROG Strix OLED XG32UCWMG ASUS ROG Strix OLED XG27AQWMG LG 27GX704A-B AOC Q27G40XMN LG 27GX790B-B Dell U2725QE Dell Alienware AW2725DF ASUS ROG Swift OLED PG32UCDM Dell Alienware AW3425DW Gigabyte MO27Q28G LG 27GX700A-B Dell Alienware AW2725DM ASUS ROG Swift OLED PG27AQWP-W Samsung Odyssey OLED G60SD S27DG602S
399 Monitors bought and tested
Supported by you via membership, and when you purchase through links on our site, we may earn an affiliate commission.
  1. Home
  2. Monitor
  3. Compare

KOORUI S2741LM vs LG 27GM950B-B

Which Monitor Is Better?

    Top
    Main Differences
    Design
      StyleBuild QualityErgonomicsStandDisplayControlsIn The Box
    Picture Quality
      ContrastLocal DimmingSDR BrightnessHDR BrightnessGray UniformityBlack UniformityColor Accuracy (Pre-Calibration)Color Accuracy (Post-Calibration)SDR Color GamutHDR Color GamutHDR Color VolumeViewing AngleText ClarityPanel TechnologyDirect ReflectionsAmbient Black Level RaiseTotal Reflected LightGradient
    Motion
      Refresh RateVariable Refresh Rate (VRR)VRR Motion PerformanceRefresh Rate ComplianceCAD @ Max Refresh RateResponse Time @ Max Refresh RateCAD @ 120HzResponse Time @ 120HzCAD @ 60HzResponse Time @ 60HzBacklight Strobing (BFI)VRR FlickerImage Flicker
    Inputs
      Input LagResolutionPS5 CompatibilityXbox Series X|S CompatibilityInputsUSBmacOS Compatibility
    Features
      Additional FeaturesOn-Screen Display (OSD)
    Comments

Products

KOORUI S2741LM
LG 27GM950B-B 
early access

Tested using Methodology v2.1.2

Updated Jun 23, 2026 07:59 PM

SEE PRICE
Amazon

Tested using Methodology v2.1.2

Updated Jun 22, 2026 07:44 PM

This review is in Early access

SEE PRICE
Amazon
KOORUI S2741LM Picture

Track

LG 27GM950B-B Picture

Track

Size
27"
Panel Type
LCD
Native Resolution
3840 x 2160
Max Refresh Rate
320 Hz
Sub-Type
IPS
Size
27"
Panel Type
LCD
Native Resolution
5120 x 2880
Max Refresh Rate
330 Hz
Sub-Type
IPS
  1. Recommended in 18 articles:
  2. Gaming
  3. Monitors
  4. PS5/PS5 Pro
  5. 15

Our Verdict

KOORUI S2741LM

LG 27GM950B-B

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

GIFT THIS COMPARISON

0 

Variants

  • S2741LM (27")
  • 27GM950B-B (27")

Review

See KOORUI S2741LM Review
See LG 27GM950B-B Review
26 
48 

Check Price

27"
S2741LM
SEE PRICE
Amazon
27"
27GM950B-B
SEE PRICE
Amazon
27"
S2741LM
SEARCH
B&H
27"
27GM950B-B
SEE PRICE
LG.com
27"
S2741LM
SEARCH
BestBuy.com
27"
27GM950B-B
SEE PRICE
B&H
27"
S2741LM
SEARCH
Walmart.com
27"
27GM950B-B
SEARCH
BestBuy.com
 
27"
27GM950B-B
SEARCH
Walmart.com

Main Differences for
PC Gaming

Threshold 

0.10

PC Gaming 
 

0.0
0.0
JOIN NOW  to see main differences

Full Comparison

Design

Style 
 

Design Picture  

KOORUI S2741LM Design Picture Sample

SAMPLE

Join Now

for pictures & test results

LG 27GM950B-B Design Picture Sample

SAMPLE

Join Now

for pictures & test results

Curved 
 

Locked
Locked

Curve Radius 
 

Locked
Locked

Build Quality 
 

N/A
N/A

Build Quality Picture  

KOORUI S2741LM Build Quality Picture Sample

SAMPLE

Join Now

for pictures & test results

LG 27GM950B-B Build Quality Picture Sample

SAMPLE

Join Now

for pictures & test results

Ergonomics 
 

N/A
N/A

Ergonomics Picture  

KOORUI S2741LM Ergonomics Picture Sample

SAMPLE

Join Now

for pictures & test results

LG 27GM950B-B Ergonomics Picture Sample

SAMPLE

Join Now

for pictures & test results

Back Picture  

KOORUI S2741LM Back Picture Sample

SAMPLE

Join Now

for pictures & test results

LG 27GM950B-B Back Picture Sample

SAMPLE

Join Now

for pictures & test results

Height Adjustment 
 

Lock" (Lock cm)
Lock" (Lock cm)

Min Height To Top Of Panel 
 

Lock" (Lock cm)
Lock" (Lock cm)

Tilt Range 
 

Locked
Locked

Rotate Portrait/Landscape 
 

Locked
Locked

Swivel Range 
 

Locked
Locked

Wall Mount 
 

Locked
Locked

Stand 
 

Stand Picture  

KOORUI S2741LM Stand Picture Sample

SAMPLE

Join Now

for pictures & test results

LG 27GM950B-B Stand Picture Sample

SAMPLE

Join Now

for pictures & test results

Thickness Picture  

KOORUI S2741LM Thickness Picture Sample

SAMPLE

Join Now

for pictures & test results

LG 27GM950B-B Thickness Picture Sample

SAMPLE

Join Now

for pictures & test results

Base Width 
 

Lock" (Lock cm)
Lock" (Lock cm)

Base Depth 
 

Lock" (Lock cm)
Lock" (Lock cm)

Thickness (With Display) 
 

Lock" (Lock cm)
Lock" (Lock cm)

Weight (With Display) 
 

Lock lbs (Lock kg)
Lock lbs (Lock kg)

Display 
 

Display Picture  

KOORUI S2741LM Display Picture Sample

SAMPLE

Join Now

for pictures & test results

LG 27GM950B-B Display Picture Sample

SAMPLE

Join Now

for pictures & test results

Size 
 

Lock"
Lock"

Housing Width 
 

Lock" (Lock cm)
Lock" (Lock cm)

Housing Height 
 

Lock" (Lock cm)
Lock" (Lock cm)

Thickness (Without Stand) 
 

Lock" (Lock cm)
Lock" (Lock cm)

Weight (Without Stand) 
 

Lock lbs (Lock kg)
Lock lbs (Lock kg)

Borders Size (Bezels)  
 

Lock" (Lock cm)
Lock" (Lock cm)

Controls 
 

Controls Picture  

KOORUI S2741LM Controls Picture Sample

SAMPLE

Join Now

for pictures & test results

LG 27GM950B-B Controls Picture Sample

SAMPLE

Join Now

for pictures & test results

In The Box 
 

In The Box Picture  

KOORUI S2741LM In The Box Picture Sample

SAMPLE

Join Now

for pictures & test results

LG 27GM950B-B In The Box Picture Sample

SAMPLE

Join Now

for pictures & test results

Power Supply 
 

Locked
Locked
Picture Quality

Contrast 
 

N/A
N/A

Checkerboard Picture  

KOORUI S2741LM Checkerboard Picture Sample

SAMPLE

Join Now

for pictures & test results

LG 27GM950B-B Checkerboard Picture Sample

SAMPLE

Join Now

for pictures & test results

Native Contrast 
 

Lock : 1
Lock : 1

Contrast With Local Dimming 
 

Lock : 1
Lock : 1

Local Dimming 
 

N/A
N/A

Local Dimming Video  

KOORUI S2741LM Local Dimming Video Sample

SAMPLE

Join Now

for videos & test results

LG 27GM950B-B Local Dimming Video Sample

SAMPLE

Join Now

for videos & test results

Local Dimming 
 

Locked
Locked

Backlight 
 

Locked
Locked

SDR Brightness 
 

N/A
N/A

Real Scene 
 

Lock cd/m²
Lock cd/m²

Peak 2% Window 
 

Lock cd/m²
Lock cd/m²

Peak 10% Window 
 

Lock cd/m²
Lock cd/m²

Peak 25% Window 
 

Lock cd/m²
Lock cd/m²

Peak 50% Window 
 

Lock cd/m²
Lock cd/m²

Peak 100% Window 
 

Lock cd/m²
Lock cd/m²

Sustained 2% Window 
 

Lock cd/m²
Lock cd/m²

Sustained 10% Window 
 

Lock cd/m²
Lock cd/m²

Sustained 25% Window 
 

Lock cd/m²
Lock cd/m²

Sustained 50% Window 
 

Lock cd/m²
Lock cd/m²

Sustained 100% Window 
 

Lock cd/m²
Lock cd/m²

Automatic Brightness Limiting (ABL) 
 

Lock
Lock

Minimum Brightness 
 

Lock cd/m²
Lock cd/m²

HDR Brightness 
 

N/A
N/A

EOTF  

KOORUI S2741LM EOTF Sample

SAMPLE

Join Now

for pictures & test results

LG 27GM950B-B EOTF Sample

SAMPLE

Join Now

for pictures & test results

VESA DisplayHDR Certification 
 

Locked
Locked

Real Scene 
 

Lock cd/m²
Lock cd/m²

Peak 2% Window 
 

Lock cd/m²
Lock cd/m²

Peak 10% Window 
 

Lock cd/m²
Lock cd/m²

Peak 25% Window 
 

Lock cd/m²
Lock cd/m²

Peak 50% Window 
 

Lock cd/m²
Lock cd/m²

Peak 100% Window 
 

Lock cd/m²
Lock cd/m²

Sustained 2% Window 
 

Lock cd/m²
Lock cd/m²

Sustained 10% Window 
 

Lock cd/m²
Lock cd/m²

Sustained 25% Window 
 

Lock cd/m²
Lock cd/m²

Sustained 50% Window 
 

Lock cd/m²
Lock cd/m²

Sustained 100% Window 
 

Lock cd/m²
Lock cd/m²

Automatic Brightness Limiting (ABL) 
 

Lock
Lock

Gray Uniformity 
 

N/A
N/A

50% Uniformity Picture  

KOORUI S2741LM 50% Uniformity Picture Sample

SAMPLE

Join Now

for pictures & test results

LG 27GM950B-B 50% Uniformity Picture Sample

SAMPLE

Join Now

for pictures & test results

50% Std. Dev. 
 

Lock%
Lock%

50% DSE 
 

Lock%
Lock%

Black Uniformity 
 

N/A
N/A

Native Black Uniformity Picture  

KOORUI S2741LM Native Black Uniformity Picture Sample

SAMPLE

Join Now

for pictures & test results

LG 27GM950B-B Native Black Uniformity Picture Sample

SAMPLE

Join Now

for pictures & test results

Native Std. Dev. 
 

Lock%
Lock%

Black Uniformity Picture With Local Dimming  

KOORUI S2741LM Black Uniformity Picture With Local Dimming Sample

SAMPLE

Join Now

for pictures & test results

LG 27GM950B-B Black Uniformity Picture With Local Dimming Sample

SAMPLE

Join Now

for pictures & test results

Std. Dev. w/ L.D. 
 

Lock%
Lock%

Color Accuracy (Pre-Calibration) 
 

N/A
N/A

Pre Calibration Picture  

KOORUI S2741LM Pre Calibration Picture Sample

SAMPLE

Join Now

for pictures & test results

LG 27GM950B-B Pre Calibration Picture Sample

SAMPLE

Join Now

for pictures & test results

Pre Gamma Curve Picture  

KOORUI S2741LM Pre Gamma Curve Picture Sample

SAMPLE

Join Now

for pictures & test results

LG 27GM950B-B Pre Gamma Curve Picture Sample

SAMPLE

Join Now

for pictures & test results

Pre Color Picture  

KOORUI S2741LM Pre Color Picture Sample

SAMPLE

Join Now

for pictures & test results

LG 27GM950B-B Pre Color Picture Sample

SAMPLE

Join Now

for pictures & test results

Picture Mode 
 

Locked
Locked

sRGB Gamut Area xy 
 

Lock%
Lock%

White Balance dE (Avg.) 
 

Lock
Lock

Color Temperature (Avg.) 
 

Lock K
Lock K

Gamma (Avg.) 
 

Lock
Lock

Color dE (Avg.) 
 

Lock
Lock

Contrast Setting 
 

Lock
Lock

RGB Settings 
 

Locked
Locked

Gamma Setting 
 

Locked
Locked

Brightness Setting 
 

Lock
Lock

Measured Brightness 
 

Lock cd/m²
Lock cd/m²

Brightness Locked 
 

Locked
Locked

Color Accuracy (Post-Calibration) 
 

N/A
N/A

Post Calibration Picture  

KOORUI S2741LM Post Calibration Picture Sample

SAMPLE

Join Now

for pictures & test results

LG 27GM950B-B Post Calibration Picture Sample

SAMPLE

Join Now

for pictures & test results

Post Gamma Curve Picture  

KOORUI S2741LM Post Gamma Curve Picture Sample

SAMPLE

Join Now

for pictures & test results

LG 27GM950B-B Post Gamma Curve Picture Sample

SAMPLE

Join Now

for pictures & test results

Post Color Picture  

KOORUI S2741LM Post Color Picture Sample

SAMPLE

Join Now

for pictures & test results

LG 27GM950B-B Post Color Picture Sample

SAMPLE

Join Now

for pictures & test results

Picture Mode 
 

Locked
Locked

sRGB Gamut Area xy 
 

Lock%
Lock%

White Balance dE (Avg.) 
 

Lock
Lock

Color Temperature (Avg.) 
 

Lock K
Lock K

Gamma (Avg.) 
 

Lock
Lock

Color dE (Avg.) 
 

Lock
Lock

Contrast Setting 
 

Lock
Lock

RGB Settings 
 

Locked
Locked

Gamma Setting 
 

Locked
Locked

Brightness Setting 
 

Lock
Lock

Measured Brightness 
 

Lock cd/m²
Lock cd/m²

ICC Profile 
 

Download
Download

SDR Color Gamut 
 

N/A
N/A

sRGB Color Gamut Picture  

KOORUI S2741LM sRGB Color Gamut Picture Sample

SAMPLE

Join Now

for pictures & test results

LG 27GM950B-B sRGB Color Gamut Picture Sample

SAMPLE

Join Now

for pictures & test results

sRGB Coverage xy 
 

Lock%
Lock%

sRGB Picture Mode 
 

Locked
Locked

Adobe RGB Color Gamut Picture  

KOORUI S2741LM Adobe RGB Color Gamut Picture Sample

SAMPLE

Join Now

for pictures & test results

LG 27GM950B-B Adobe RGB Color Gamut Picture Sample

SAMPLE

Join Now

for pictures & test results

Adobe RGB Coverage xy 
 

Lock%
Lock%

Adobe RGB Picture Mode 
 

Locked
Locked

HDR Color Gamut 
 

N/A
N/A

Wide Color Gamut 
 

Locked
Locked

DCI-P3 Color Gamut Picture  

KOORUI S2741LM DCI-P3 Color Gamut Picture Sample

SAMPLE

Join Now

for pictures & test results

LG 27GM950B-B DCI-P3 Color Gamut Picture Sample

SAMPLE

Join Now

for pictures & test results

DCI-P3 Coverage xy 
 

Lock%
Lock%

DCI-P3 Picture Mode 
 

Locked
Locked

Rec. 2020 Color Gamut Picture  

KOORUI S2741LM Rec. 2020 Color Gamut Picture Sample

SAMPLE

Join Now

for pictures & test results

LG 27GM950B-B Rec. 2020 Color Gamut Picture Sample

SAMPLE

Join Now

for pictures & test results

Rec. 2020 Coverage xy 
 

Lock%
Lock%

Rec. 2020 Picture Mode 
 

Locked
Locked

HDR Color Volume 
 

N/A
N/A

DCI-P3 Color Volume ITP Picture  

KOORUI S2741LM DCI-P3 Color Volume ITP Picture Sample

SAMPLE

Join Now

for pictures & test results

LG 27GM950B-B DCI-P3 Color Volume ITP Picture Sample

SAMPLE

Join Now

for pictures & test results

1,000 cd/m² DCI-P3 Coverage ICtCp 
 

Lock%
Lock%

DCI-P3 Picture Mode 
 

Locked
Locked

Rec. 2020 Color Volume ITP Picture  

KOORUI S2741LM Rec. 2020 Color Volume ITP Picture Sample

SAMPLE

Join Now

for pictures & test results

LG 27GM950B-B Rec. 2020 Color Volume ITP Picture Sample

SAMPLE

Join Now

for pictures & test results

10,000 cd/m² Rec. 2020 Coverage ICtCp 
 

Lock%
Lock%

Rec. 2020 Picture Mode 
 

Locked
Locked

Viewing Angle 
 

N/A
N/A

Viewing Angle Video  

KOORUI S2741LM Viewing Angle Video Sample

SAMPLE

Join Now

for videos & test results

LG 27GM950B-B Viewing Angle Video Sample

SAMPLE

Join Now

for videos & test results

Chroma Graph  

KOORUI S2741LM Chroma Graph Sample

SAMPLE

Join Now

for pictures & test results

LG 27GM950B-B Chroma Graph Sample

SAMPLE

Join Now

for pictures & test results

Color Washout From Left 
 

Lock°
Lock°

Color Washout From Right 
 

Lock°
Lock°

Hue Graph  

KOORUI S2741LM Hue Graph Sample

SAMPLE

Join Now

for pictures & test results

LG 27GM950B-B Hue Graph Sample

SAMPLE

Join Now

for pictures & test results

Color Shift From Left 
 

Lock°
Lock°

Color Shift From Right 
 

Lock°
Lock°

Lightness Graph  

KOORUI S2741LM Lightness Graph Sample

SAMPLE

Join Now

for pictures & test results

LG 27GM950B-B Lightness Graph Sample

SAMPLE

Join Now

for pictures & test results

Brightness Loss From Left 
 

Lock°
Lock°

Brightness Loss From Right 
 

Lock°
Lock°

Black Level Raise From Left 
 

Lock°
Lock°

Black Level Raise From Right 
 

Lock°
Lock°

Gamma Shift From Left 
 

Lock°
Lock°

Gamma Shift From Right 
 

Lock°
Lock°

Text Clarity 
 

N/A
N/A

ClearType On  

KOORUI S2741LM ClearType On Sample

SAMPLE

Join Now

for pictures & test results

LG 27GM950B-B ClearType On Sample

SAMPLE

Join Now

for pictures & test results

ClearType Off  

KOORUI S2741LM ClearType Off Sample

SAMPLE

Join Now

for pictures & test results

LG 27GM950B-B ClearType Off Sample

SAMPLE

Join Now

for pictures & test results

Panel Technology 
 

Spectral Power Distribution  

KOORUI S2741LM Spectral Power Distribution Sample

SAMPLE

Join Now

for pictures & test results

LG 27GM950B-B Spectral Power Distribution Sample

SAMPLE

Join Now

for pictures & test results

Pixels  

KOORUI S2741LM Pixels Sample

SAMPLE

Join Now

for pictures & test results

LG 27GM950B-B Pixels Sample

SAMPLE

Join Now

for pictures & test results

Panel Type 
 

Locked
Locked

Sub-Type 
 

Locked
Locked

Subpixel Layout 
 

Locked
Locked

Direct Reflections 
 

N/A
N/A

Ring Light Picture  

KOORUI S2741LM Ring Light Picture Sample

SAMPLE

Join Now

for pictures & test results

LG 27GM950B-B Ring Light Picture Sample

SAMPLE

Join Now

for pictures & test results

Direct Reflections Graph  

KOORUI S2741LM Direct Reflections Graph Sample

SAMPLE

Join Now

for pictures & test results

LG 27GM950B-B Direct Reflections Graph Sample

SAMPLE

Join Now

for pictures & test results

Peak Direct Reflection Intensity 
 

Lock%
Lock%

Screen Finish 
 

Locked
Locked

Ambient Black Level Raise 
 

N/A
N/A

Black Level Raise Picture  

KOORUI S2741LM Black Level Raise Picture Sample

SAMPLE

Join Now

for pictures & test results

LG 27GM950B-B Black Level Raise Picture Sample

SAMPLE

Join Now

for pictures & test results

Ambient Black Level Raise Graph  

KOORUI S2741LM Ambient Black Level Raise Graph Sample

SAMPLE

Join Now

for pictures & test results

LG 27GM950B-B Ambient Black Level Raise Graph Sample

SAMPLE

Join Now

for pictures & test results

Black Luminance @ 0 lx 
 

Lock cd/m²
Lock cd/m²

Black Luminance @ 1000 lx 
 

Lock cd/m²
Lock cd/m²

Total Reflected Light 
 

N/A
N/A

Bright Room Off Picture  

KOORUI S2741LM Bright Room Off Picture Sample

SAMPLE

Join Now

for pictures & test results

LG 27GM950B-B Bright Room Off Picture Sample

SAMPLE

Join Now

for pictures & test results

Total Reflection Ring Light Picture  

KOORUI S2741LM Total Reflection Ring Light Picture Sample

SAMPLE

Join Now

for pictures & test results

LG 27GM950B-B Total Reflection Ring Light Picture Sample

SAMPLE

Join Now

for pictures & test results

Total Reflected Light Intensity 
 

Lock% ⋅ pixel
Lock% ⋅ pixel

Diffraction Artifacts 
 

Locked
Locked

Gradient 
 

N/A
N/A

Gradient Picture  

KOORUI S2741LM Gradient Picture Sample

SAMPLE

Join Now

for pictures & test results

LG 27GM950B-B Gradient Picture Sample

SAMPLE

Join Now

for pictures & test results

Color Depth 
 

Lock Bit
Lock Bit
Motion

Refresh Rate 
 

N/A
N/A

Dual Mode Setting 
 

Locked
Locked

Native Refresh Rate 
 

Lock Hz
Lock Hz

Max Refresh Rate 
 

Lock Hz
Lock Hz

Max Refresh Rate Over DP 
 

Lock Hz
Lock Hz

Max Refresh Rate Over HDMI 
 

Lock Hz
Lock Hz

Max Refresh Rate Over DP @ 10-bit 
 

Lock Hz
Lock Hz

Max Refresh Rate Over HDMI @ 10-Bit 
 

Lock Hz
Lock Hz

DSC Toggle 
 

Locked
Locked

DSC Off Max Refresh Rate Over DP 
 

Lock Hz
N/A

DSC Off Max Refresh Rate Over HDMI 
 

Lock Hz
N/A

Variable Refresh Rate (VRR) 
 

Variable Refresh Rate 
 

Locked
Locked

FreeSync 
 

Locked
Locked

G-SYNC 
 

Locked
Locked

VRR Maximum 
 

Lock Hz
Lock Hz

VRR Minimum 
 

Locked
Locked

VRR Supported Connectors 
 

Locked
Locked

VRR Motion Performance 
 

N/A
N/A

Pursuit Photo VRR  

KOORUI S2741LM Pursuit Photo VRR Sample

SAMPLE

Join Now

for pictures & test results

LG 27GM950B-B Pursuit Photo VRR Sample

SAMPLE

Join Now

for pictures & test results

OD Mode CAD Comparison  

KOORUI S2741LM OD Mode CAD Comparison Sample

SAMPLE

Join Now

for pictures & test results

LG 27GM950B-B OD Mode CAD Comparison Sample

SAMPLE

Join Now

for pictures & test results

Recommended VRR OD Setting 
 

Locked
Locked

Variable Overdrive Advertised 
 

Locked
Locked

Avg. CAD 
 

Lock
Lock

Best CAD 
 

Lock
Lock

Worst CAD 
 

Lock
Lock

Refresh Rate Compliance 
 

N/A
N/A

Fast GTG Sequence  

KOORUI S2741LM Fast GTG Sequence Sample

SAMPLE

Join Now

for pictures & test results

LG 27GM950B-B Fast GTG Sequence Sample

SAMPLE

Join Now

for pictures & test results

VRR Compliance  

KOORUI S2741LM VRR Compliance Sample

SAMPLE

Join Now

for pictures & test results

LG 27GM950B-B VRR Compliance Sample

SAMPLE

Join Now

for pictures & test results

Compliance @ Max Hz 
 

Lock%
Lock%

Compliance @ 120 FPS 
 

Lock%
Lock%

Compliance @ 60 FPS 
 

Lock%
Lock%

CAD @ Max Refresh Rate 
 

N/A
N/A

Pursuit Photo At Max Refresh  

KOORUI S2741LM Pursuit Photo At Max Refresh Sample

SAMPLE

Join Now

for pictures & test results

LG 27GM950B-B Pursuit Photo At Max Refresh Sample

SAMPLE

Join Now

for pictures & test results

CAD Heatmap At Max Refresh  

KOORUI S2741LM CAD Heatmap At Max Refresh Sample

SAMPLE

Join Now

for pictures & test results

LG 27GM950B-B CAD Heatmap At Max Refresh Sample

SAMPLE

Join Now

for pictures & test results

OD Transition Max Refresh Rate 
 

Join nowfor multiple image controls
Join nowfor multiple image controls

Recommended Overdrive Setting 
 

Locked
Locked

Avg. CAD 
 

Lock
Lock

Best 10% CAD 
 

Lock
Lock

Worst 10% CAD 
 

Lock
Lock

Response Time @ Max Refresh Rate 
 

First Response Time 
 

Lock ms
Lock ms

Total Response Time 
 

Lock ms
Lock ms

Recommended Overdrive Setting 
 

Locked
Locked

RGB Overshoot 
 

Lock RGB
Lock RGB

Worst 10% RGB Overshoot 
 

Lock RGB
Lock RGB

Worst 10% First Response Time 
 

Lock ms
Lock ms

Worst 10% Total Response Time 
 

Lock ms
Lock ms

Heatmap First Response  

KOORUI S2741LM Heatmap First Response Sample

SAMPLE

Join Now

for pictures & test results

LG 27GM950B-B Heatmap First Response Sample

SAMPLE

Join Now

for pictures & test results

Heatmap Total Response  

KOORUI S2741LM Heatmap Total Response Sample

SAMPLE

Join Now

for pictures & test results

LG 27GM950B-B Heatmap Total Response Sample

SAMPLE

Join Now

for pictures & test results

Heatmap RGB Overshoot  

KOORUI S2741LM Heatmap RGB Overshoot Sample

SAMPLE

Join Now

for pictures & test results

LG 27GM950B-B Heatmap RGB Overshoot Sample

SAMPLE

Join Now

for pictures & test results

CAD @ 120Hz 
 

N/A
N/A

Pursuit Photo 120Hz  

KOORUI S2741LM Pursuit Photo 120Hz Sample

SAMPLE

Join Now

for pictures & test results

LG 27GM950B-B Pursuit Photo 120Hz Sample

SAMPLE

Join Now

for pictures & test results

CAD Heatmap 120Hz  

KOORUI S2741LM CAD Heatmap 120Hz Sample

SAMPLE

Join Now

for pictures & test results

LG 27GM950B-B CAD Heatmap 120Hz Sample

SAMPLE

Join Now

for pictures & test results

OD Transition 120Hz 
 

Join nowfor multiple image controls
Join nowfor multiple image controls

Recommended Overdrive Setting 
 

Locked
Locked

Avg. CAD 
 

Lock
Lock

Best 10% CAD 
 

Lock
Lock

Worst 10% CAD 
 

Lock
Lock

Response Time @ 120Hz 
 

Worst 10% First Response Time 
 

Lock ms
Lock ms

RGB Overshoot 
 

Lock RGB
Lock RGB

Total Response Time 
 

Lock ms
Lock ms

First Response Time 
 

Lock ms
Lock ms

Recommended Overdrive Setting 
 

Locked
Locked

Worst 10% Total Response Time 
 

Lock ms
Lock ms

Worst 10% RGB Overshoot 
 

Lock RGB
Lock RGB

120Hz First Response Heatmap  

KOORUI S2741LM 120Hz First Response Heatmap Sample

SAMPLE

Join Now

for pictures & test results

LG 27GM950B-B 120Hz First Response Heatmap Sample

SAMPLE

Join Now

for pictures & test results

120Hz Total Response Heatmap  

KOORUI S2741LM 120Hz Total Response Heatmap Sample

SAMPLE

Join Now

for pictures & test results

LG 27GM950B-B 120Hz Total Response Heatmap Sample

SAMPLE

Join Now

for pictures & test results

120Hz Heatmap RGB Overshoot  

KOORUI S2741LM 120Hz Heatmap RGB Overshoot Sample

SAMPLE

Join Now

for pictures & test results

LG 27GM950B-B 120Hz Heatmap RGB Overshoot Sample

SAMPLE

Join Now

for pictures & test results

CAD @ 60Hz 
 

N/A
N/A

Pursuit Photo 60Hz  

KOORUI S2741LM Pursuit Photo 60Hz Sample

SAMPLE

Join Now

for pictures & test results

LG 27GM950B-B Pursuit Photo 60Hz Sample

SAMPLE

Join Now

for pictures & test results

CAD Heatmap 60Hz  

KOORUI S2741LM CAD Heatmap 60Hz Sample

SAMPLE

Join Now

for pictures & test results

LG 27GM950B-B CAD Heatmap 60Hz Sample

SAMPLE

Join Now

for pictures & test results

OD Transition 60Hz 
 

Join nowfor multiple image controls
Join nowfor multiple image controls

Recommended Overdrive Setting 
 

Locked
Locked

Avg. CAD 
 

Lock
Lock

Best 10% CAD 
 

Lock
Lock

Worst 10% CAD 
 

Lock
Lock

Response Time @ 60Hz 
 

Recommended Overdrive Setting 
 

Locked
Locked

First Response Time 
 

Lock ms
Lock ms

Total Response Time 
 

Lock ms
Lock ms

RGB Overshoot 
 

Lock RGB
Lock RGB

Worst 10% Total Response Time 
 

Lock ms
Lock ms

Worst 10% First Response Time 
 

Lock ms
Lock ms

Worst 10% RGB Overshoot 
 

Lock RGB
Lock RGB

60Hz First Response Heatmap  

KOORUI S2741LM 60Hz First Response Heatmap Sample

SAMPLE

Join Now

for pictures & test results

LG 27GM950B-B 60Hz First Response Heatmap Sample

SAMPLE

Join Now

for pictures & test results

60Hz Total Response Heatmap  

KOORUI S2741LM 60Hz Total Response Heatmap Sample

SAMPLE

Join Now

for pictures & test results

LG 27GM950B-B 60Hz Total Response Heatmap Sample

SAMPLE

Join Now

for pictures & test results

60Hz RGB Overshoot Heatmap  

KOORUI S2741LM 60Hz RGB Overshoot Heatmap Sample

SAMPLE

Join Now

for pictures & test results

LG 27GM950B-B 60Hz RGB Overshoot Heatmap Sample

SAMPLE

Join Now

for pictures & test results

Backlight Strobing (BFI) 
 

Backlight Strobing Picture  

KOORUI S2741LM Backlight Strobing Picture Sample

SAMPLE

Join Now

for pictures & test results

LG 27GM950B-B Backlight Strobing Picture Sample

SAMPLE

Join Now

for pictures & test results

Backlight Strobing Frequency Picture  

KOORUI S2741LM Backlight Strobing Frequency Picture Sample

SAMPLE

Join Now

for pictures & test results

LG 27GM950B-B Backlight Strobing Frequency Picture Sample

SAMPLE

Join Now

for pictures & test results

Backlight Strobing (BFI) 
 

Locked
Locked

Maximum Frequency 
 

Lock Hz
Lock Hz

Minimum Frequency 
 

Lock Hz
Lock Hz

Longest Pulse Width Brightness 
 

Lock cd/m²
Lock cd/m²

Shortest Pulse Width Brightness 
 

Lock cd/m²
Lock cd/m²

Pulse Width Control 
 

Locked
Locked

Pulse Phase Control 
 

Locked
Locked

Pulse Amplitude Control 
 

Locked
Locked

VRR At The Same Time 
 

Locked
Locked

VRR Flicker 
 

N/A
N/A

VRR Flicker Video  

KOORUI S2741LM VRR Flicker Video Sample

SAMPLE

Join Now

for videos & test results

LG 27GM950B-B VRR Flicker Video Sample

SAMPLE

Join Now

for videos & test results

VRR Flicker Graph  

KOORUI S2741LM VRR Flicker Graph Sample

SAMPLE

Join Now

for pictures & test results

LG 27GM950B-B VRR Flicker Graph Sample

SAMPLE

Join Now

for pictures & test results

Dark Gray Flicker 
 

Lock RGB
Lock RGB

Middle Gray Flicker 
 

Lock RGB
Lock RGB

Light Gray Flicker 
 

Lock RGB
Lock RGB

VRR Flicker Control Setting 
 

Locked
Locked

Image Flicker 
 

N/A
N/A

Backlight Picture  

KOORUI S2741LM Backlight Picture Sample

SAMPLE

Join Now

for pictures & test results

LG 27GM950B-B Backlight Picture Sample

SAMPLE

Join Now

for pictures & test results

Flicker-Free 
 

Locked
Locked

PWM Dimming Frequency 
 

Locked
Locked
Inputs

Input Lag 
 

N/A
N/A

Native Resolution @ Max Hz 
 

Lock ms
Lock ms

Native Resolution @ 120Hz 
 

Lock ms
Lock ms

Native Resolution @ 60Hz 
 

Lock ms
Lock ms

Backlight Strobing (BFI) 
 

Lock ms
Lock ms

Resolution 
 

N/A
N/A

Native Resolution 
 

Locked
Locked

Aspect Ratio 
 

Locked
Locked

Megapixels 
 

Lock MP
Lock MP

Pixel Density 
 

Lock PPI
Lock PPI

PS5 Compatibility 
 

N/A
N/A

PS5 Compatibility Photo  

KOORUI S2741LM PS5 Compatibility Photo Sample

SAMPLE

Join Now

for pictures & test results

LG 27GM950B-B PS5 Compatibility Photo Sample

SAMPLE

Join Now

for pictures & test results

PS5 Compatibility Table  

KOORUI S2741LM PS5 Compatibility Table Sample

SAMPLE

Join Now

for pictures & test results

LG 27GM950B-B PS5 Compatibility Table Sample

SAMPLE

Join Now

for pictures & test results

4k @ 120Hz 
 

Locked
Locked

4k @ 60Hz 
 

Locked
Locked

1440p @ 120Hz 
 

Locked
Locked

1440p @ 60Hz 
 

Locked
Locked

1080p @ 120Hz 
 

Locked
Locked

1080p @ 60Hz 
 

Locked
Locked

Xbox Series X|S Compatibility 
 

N/A
N/A

XSX Compatibility Photo  

KOORUI S2741LM XSX Compatibility Photo Sample

SAMPLE

Join Now

for pictures & test results

LG 27GM950B-B XSX Compatibility Photo Sample

SAMPLE

Join Now

for pictures & test results

XSX Compatibility Table  

KOORUI S2741LM XSX Compatibility Table Sample

SAMPLE

Join Now

for pictures & test results

LG 27GM950B-B XSX Compatibility Table Sample

SAMPLE

Join Now

for pictures & test results

4k @ 120Hz 
 

Locked
Locked

4k @ 60Hz 
 

Locked
Locked

1440p @ 120Hz 
 

Locked
Locked

1440p @ 60Hz 
 

Locked
Locked

1080p @ 120Hz 
 

Locked
Locked

1080p @ 60Hz 
 

Locked
Locked

Inputs 
 

Inputs 1  

KOORUI S2741LM Inputs 1 Sample

SAMPLE

Join Now

for pictures & test results

LG 27GM950B-B Inputs 1 Sample

SAMPLE

Join Now

for pictures & test results

Inputs 2  

KOORUI S2741LM Inputs 2 Sample

SAMPLE

Join Now

for pictures & test results

LG 27GM950B-B Inputs 2 Sample

SAMPLE

Join Now

for pictures & test results

DisplayPort 
 

Locked
Locked

DisplayPort Transmission Bandwidth 
 

Locked
Locked

Mini DisplayPort 
 

Locked
Locked

HDMI 
 

Locked
Locked

HDMI 2.1 Bandwidth 
 

Locked
Locked

Daisy Chaining 
 

Locked
Locked

3.5mm Audio Out 
 

Locked
Locked

Ethernet 
 

Locked
Locked

HDR10 
 

Locked
Locked

Dolby Vision 
 

Locked
Locked

USB 
 

USB-A Ports 
 

Locked
Locked

USB-A Rated Speed 
 

Locked
Locked

USB-B Upstream Port 
 

Locked
Locked

USB-C Ports 
 

Locked
Locked

USB-C Upstream 
 

Locked
Locked

USB-C Rated Speed 
 

Locked
Locked

USB-C Power Delivery 
 

Locked
Locked

USB-C DisplayPort Alt Mode 
 

Locked
Locked

Thunderbolt 
 

Locked
Locked

macOS Compatibility 
 

macOS Screenshot  

KOORUI S2741LM macOS Screenshot Sample

SAMPLE

Join Now

for pictures & test results

LG 27GM950B-B macOS Screenshot Sample

SAMPLE

Join Now

for pictures & test results

Features

Additional Features 
 

Speakers 
 

Locked
Locked

RGB Illumination 
 

Locked
Locked

Multiple Input Display 
 

Locked
Locked

KVM Switch 
 

Locked
Locked

Smart OS 
 

Locked
Locked

On-Screen Display (OSD) 
 

OSD Picture  

KOORUI S2741LM OSD Picture Sample

SAMPLE

Join Now

for pictures & test results

LG 27GM950B-B OSD Picture Sample

SAMPLE

Join Now

for pictures & test results

Check Price

27"
S2741LM
SEE PRICE
Amazon
27"
27GM950B-B
SEE PRICE
Amazon
27"
S2741LM
SEARCH
B&H
27"
27GM950B-B
SEE PRICE
LG.com
27"
S2741LM
SEARCH
BestBuy.com
27"
27GM950B-B
SEE PRICE
B&H
27"
S2741LM
SEARCH
Walmart.com
27"
27GM950B-B
SEARCH
BestBuy.com
 
27"
27GM950B-B
SEARCH
Walmart.com
Back to Top

KOORUI S2741LM

LG 27GM950B-B

Comments

  1. Comparison
 • Posted 20 hours ago

KOORUI S2741LM vs LG 27GM950B-B: Main Discussion

What do you think of these products? Let us know below.


Looking for a personalized buying advice from the RTINGS.com experts? Members have direct access to buying advice on our member forum.

See All Monitors Discussions
 Share
0 
PreviewBack to editorFormat guide
No comments yet, refresh to see new ones
We make money directly from you via Membership (which gives you access to extra features) and when you buy a product after clicking a link to a retailer. Learn more about how we work.
We buy our own products, just like you, mostly from the United States. When a product is discontinued or no longer popular, we sell the review units locally. See what products we currently have for sale.
© 2026 9298-5266 Quebec Inc. All Rights Reserved.