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  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. HDR Color Gamut
    13. HDR Color Volume
    14. Text Clarity
    15. Reflections
    16. Gradient
    17. SDR Color Volume
    18. Image Retention
    19. Color Bleed
  6. Motion
    1. Refresh Rate
    2. Variable Refresh Rate (VRR)
    3. VRR Motion Performance
    4. Refresh Rate Compliance
    5. CAD @ Max Refresh Rate
    6. Response Time @ Max Refresh Rate
    7. CAD @ 120Hz
    8. Response Time @ 120Hz
    9. CAD @ 60Hz
    10. Response Time @ 60Hz
    11. Backlight Strobing (BFI)
    12. VRR Flicker
    13. Image Flicker
    14. Response Time @ 60Hz
  7. Inputs
    1. Input Lag
    2. Resolution
    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

Gigabyte G27QC vs Samsung Odyssey G5/G55A S27AG55

Side-by-Side Comparison

Products

Gigabyte G27QC
Samsung Odyssey G55A S27AG55

Tested using Methodology v1.1

Updated Feb 23, 2024 07:25 PM

SEE PRICE
Walmart.com

Tested using Methodology v2.0

Updated Aug 12, 2024 03:20 PM

SEE PRICE
Amazon.com
Gigabyte G27QC Picture
Samsung Odyssey G5/G55A S27AG55 Picture

Variants

  • G27QC (27")
  • LS27AG550ENXZA (27")

Our Verdict

Gigabyte G27QC

Samsung Odyssey G5/G55A S27AG55

The Gigabyte G27QC is much better than the Samsung Odyssey G5/G55A S27AG55. The Gigabyte has better ergonomics, so it's easier to place it in an ideal viewing position. The Gigabyte also has a significantly faster response time, so motion looks clearer with less blur behind fast-moving objects. Finally, the Gigabyte also gets a bit brighter, so it looks better in a bright room.

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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.

Main Differences for

Threshold 

0.10

Mixed Usage 

7.6
No major differences between these monitors for mixed usage. See full list of tests below.

Full Comparison

Design

Style 
 

Design Picture  

Gigabyte G27QC Design Picture
Samsung Odyssey G5/G55A S27AG55 Design Picture

Curved 
 

Yes
Yes

Curve Radius 
 

1500R
1000R

Size  

27"
27"

Weight (without stand) 
 

10.1 lbs (4.6 kg)
9.0 lbs (4.1 kg)

Weight (with stand) 
 

14.6 lbs (6.6 kg)
9.9 lbs (4.5 kg)

Show text

Accelerated Longevity Test 
 

Uniformity Pictures  

Longevity Graph  

Samsung Odyssey G5/G55A S27AG55 Longevity Graph

Build Quality 
 

7.5
7.0

Build Quality Picture  

Gigabyte G27QC Build Quality Picture
Samsung Odyssey G5/G55A S27AG55 Build Quality Picture

Show text

Ergonomics 
 

5.3
1.7

Ergonomics Picture  

Gigabyte G27QC Ergonomics Picture
Samsung Odyssey G5/G55A S27AG55 Ergonomics Picture

Back Picture  

Gigabyte G27QC Back Picture
Samsung Odyssey G5/G55A S27AG55 Back Picture

Height Adjustment 
 

5.1" (13.0 cm)
0.0" (0.0 cm)

Min Height To Top Of Panel 
 

N/A

Tilt Range 
 

-20° to 5°
-17.5° to 2.5°

Rotate Portrait/Landscape 
 

No
No

Swivel Range 
 

No swivel
No swivel

Wall Mount 
 

VESA 100x100
VESA 75x75

Show text

Stand 
 

Stand Picture  

Gigabyte G27QC Stand Picture
Samsung Odyssey G5/G55A S27AG55 Stand Picture

Thickness Picture  

Gigabyte G27QC Thickness Picture
Samsung Odyssey G5/G55A S27AG55 Thickness Picture

Base Width 
 

15.7" (40.0 cm)
21.7" (55.0 cm)

Base Depth 
 

7.3" (18.6 cm)
10.9" (27.6 cm)

Thickness (With Display) 
 

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

Weight (With Display) 
 

14.6 lbs (6.6 kg)
9.9 lbs (4.5 kg)

Show text

Display 
 

Display Picture  

Samsung Odyssey G5/G55A S27AG55 Display Picture

Size 
 

27"
27"

Housing Width 
 

24.2" (61.5 cm)

Housing Height 
 

15.0" (38.2 cm)

Thickness (Without Stand) 
 

3.6" (9.1 cm)
4.1" (10.5 cm)

Weight (Without Stand) 
 

10.1 lbs (4.6 kg)
9.0 lbs (4.1 kg)

Borders Size (Bezels)  
 

0.3" (0.7 cm)
0.4" (1.0 cm)

Controls 
 

Controls Picture  

Gigabyte G27QC Controls Picture
Samsung Odyssey G5/G55A S27AG55 Controls Picture

Show text

In The Box 
 

In The Box Picture  

Gigabyte G27QC In The Box Picture
Samsung Odyssey G5/G55A S27AG55 In The Box Picture

Power Supply 
 

Internal
External Brick

Show text

Back  

Back Picture  

Gigabyte G27QC Back Picture
Samsung Odyssey G5/G55A S27AG55 Back Picture

Wall Mount  

VESA 100x100
VESA 75x75

Show text

Borders  

Borders Picture  

Gigabyte G27QC Borders Picture

Borders 
 

0.3" (0.7 cm)
0.4" (1.0 cm)

Show text

Thickness  

Thickness Picture  

Gigabyte G27QC Thickness Picture
Samsung Odyssey G5/G55A S27AG55 Thickness Picture

Thickness (with stand) 
 

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

Thickness (without stand) 
 

3.6" (9.1 cm)
4.1" (10.5 cm)

Show text

Picture Quality

Contrast 
 

8.3
7.6

Checkerboard Picture  

Gigabyte G27QC Checkerboard Picture
Samsung Odyssey G5/G55A S27AG55 Checkerboard Picture

Native Contrast 
 

3,855 : 1
2,521 : 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
6.8

Real Scene 
 

376 cd/m²
245 cd/m²

Peak 2% Window 
 

285 cd/m²
238 cd/m²

Peak 10% Window 
 

286 cd/m²
257 cd/m²

Peak 25% Window 
 

286 cd/m²
257 cd/m²

Peak 50% Window 
 

286 cd/m²
257 cd/m²

Peak 100% Window 
 

286 cd/m²
257 cd/m²

Sustained 2% Window 
 

285 cd/m²
237 cd/m²

Sustained 10% Window 
 

286 cd/m²
256 cd/m²

Sustained 25% Window 
 

286 cd/m²
257 cd/m²

Sustained 50% Window 
 

286 cd/m²
257 cd/m²

Sustained 100% Window 
 

286 cd/m²
257 cd/m²

Automatic Brightness Limiting (ABL) 
 

0.000
0.005

Minimum Brightness 
 

50 cd/m²

Show text

HDR Brightness 
 

6.4
6.0

EOTF  

Samsung Odyssey G5/G55A S27AG55 EOTF

VESA DisplayHDR Certification 
 

No Certification

Real Scene 
 

388 cd/m²
293 cd/m²

Peak 2% Window 
 

284 cd/m²
283 cd/m²

Peak 10% Window 
 

286 cd/m²
306 cd/m²

Peak 25% Window 
 

287 cd/m²
306 cd/m²

Peak 50% Window 
 

287 cd/m²
306 cd/m²

Peak 100% Window 
 

287 cd/m²
306 cd/m²

Sustained 2% Window 
 

284 cd/m²
283 cd/m²

Sustained 10% Window 
 

286 cd/m²
306 cd/m²

Sustained 25% Window 
 

287 cd/m²
306 cd/m²

Sustained 50% Window 
 

287 cd/m²
306 cd/m²

Sustained 100% Window 
 

287 cd/m²
306 cd/m²

Automatic Brightness Limiting (ABL) 
 

0.000
0.005

Show text

Horizontal Viewing Angle 
 

5.5
5.3

Horizontal Viewing Angle Video  

Horizontal Chroma Graph  

Gigabyte G27QC Horizontal Chroma Graph
Samsung Odyssey G5/G55A S27AG55 Horizontal Chroma Graph

Color Washout From Left 
 

24°
30°

Color Washout From Right 
 

26°
27°

Horizontal Hue Graph  

Gigabyte G27QC Horizontal Hue Graph
Samsung Odyssey G5/G55A S27AG55 Horizontal Hue Graph

Color Shift From Left 
 

44°
40°

Color Shift From Right 
 

43°
41°

Horizontal Lightness Graph  

Gigabyte G27QC Horizontal Lightness Graph
Samsung Odyssey G5/G55A S27AG55 Horizontal Lightness Graph

Brightness Loss From Left 
 

27°
31°

Brightness Loss From Right 
 

29°
28°

Black Level Raise From Left 
 

14°
12°

Black Level Raise From Right 
 

18°
11°

Gamma Shift From Left 
 

14°
14°

Gamma Shift From Right 
 

20°
12°

Show text

Vertical Viewing Angle 
 

5.2
4.7

Vertical Viewing Angle Video  

Vertical Chroma Graph  

Gigabyte G27QC Vertical Chroma Graph
Samsung Odyssey G5/G55A S27AG55 Vertical Chroma Graph

Color Washout From Below 
 

25°
24°

Color Washout From Above 
 

29°
26°

Vertical Hue Graph  

Gigabyte G27QC Vertical Hue Graph
Samsung Odyssey G5/G55A S27AG55 Vertical Hue Graph

Color Shift From Below 
 

38°
28°

Color Shift From Above 
 

46°
24°

Vertical Lightness Graph  

Gigabyte G27QC Vertical Lightness Graph
Samsung Odyssey G5/G55A S27AG55 Vertical Lightness Graph

Brightness Loss From Below 
 

27°
28°

Brightness Loss From Above 
 

31°
29°

Black Level Raise From Below 
 

10°

Black Level Raise From Above 
 

13°

Gamma Shift From Below 
 

13°

Gamma Shift From Above 
 

11°
12°

Show text

Gray Uniformity 
 

8.7
8.3

50% Uniformity Picture  

Gigabyte G27QC 50% Uniformity Picture
Samsung Odyssey G5/G55A S27AG55 50% Uniformity Picture

50% Std. Dev. 
 

2.968%
2.082%

50% DSE 
 

0.100%
0.137%

5% Uniformity Picture  

Gigabyte G27QC 5% Uniformity Picture

5% Std. Dev. 
 

1.000%

5% DSE 
 

0.082%

Show text

Black Uniformity 
 

3.2
5.5

Native Black Uniformity Picture  

Gigabyte G27QC Native Black Uniformity Picture
Samsung Odyssey G5/G55A S27AG55 Native Black Uniformity Picture

Native Std. Dev. 
 

3.895%
2.324%

Black Uniformity Picture With Local Dimming  

Gigabyte G27QC Black Uniformity Picture With Local Dimming
Samsung Odyssey G5/G55A S27AG55 Black Uniformity Picture With Local Dimming

Std. Dev. w/ L.D. 
 

N/A
N/A

Show text

Color Accuracy (Pre-Calibration) 
 

7.7
8.1

Pre Calibration Picture  

Gigabyte G27QC Pre Calibration Picture
Samsung Odyssey G5/G55A S27AG55 Pre Calibration Picture

Pre Gamma Curve Picture  

Gigabyte G27QC Pre Gamma Curve Picture
Samsung Odyssey G5/G55A S27AG55 Pre Gamma Curve Picture

Pre Color Picture  

Gigabyte G27QC Pre Color Picture
Samsung Odyssey G5/G55A S27AG55 Pre Color Picture

Picture Mode 
 

sRGB
Custom

sRGB Gamut Area xy 
 

104.1%

White Balance dE (Avg.) 
 

2.75
3.72

Color Temperature (Avg.) 
 

6,265 K
7,103 K

Gamma (Avg.) 
 

2.19
2.20

Color dE (Avg.) 
 

2.94
2.76

Contrast Setting 
 

N/A
75

RGB Settings 
 

Default
50-50-50

Gamma Setting 
 

Default
Mode 1

Brightness Setting 
 

35
75

Measured Brightness 
 

156 cd/m²
182 cd/m²

Brightness Locked 
 

No

Show text

Color Accuracy (Post-Calibration) 
 

9.5
9.5

Post Calibration Picture  

Gigabyte G27QC Post Calibration Picture
Samsung Odyssey G5/G55A S27AG55 Post Calibration Picture

Post Gamma Curve Picture  

Gigabyte G27QC Post Gamma Curve Picture
Samsung Odyssey G5/G55A S27AG55 Post Gamma Curve Picture

Post Color Picture  

Gigabyte G27QC Post Color Picture
Samsung Odyssey G5/G55A S27AG55 Post Color Picture

Picture Mode 
 

Custom 1
Custom

sRGB Gamut Area xy 
 

96.9%

White Balance dE (Avg.) 
 

0.57
0.41

Color Temperature (Avg.) 
 

6,566 K
6,507 K

Gamma (Avg.) 
 

2.19
2.20

Color dE (Avg.) 
 

0.89
0.68

Contrast Setting 
 

50
70

RGB Settings 
 

94-98-100
50-44-44

Gamma Setting 
 

Gamma 3
Mode 1

Brightness Setting 
 

14
22

Measured Brightness 
 

100 cd/m²
101 cd/m²

ICC Profile 
 

Show text

SDR Color Gamut 
 

8.9
8.9

sRGB Color Gamut Picture  

Gigabyte G27QC sRGB Color Gamut Picture
Samsung Odyssey G5/G55A S27AG55 sRGB Color Gamut Picture

sRGB Coverage xy 
 

97.2%
96.8%

sRGB Picture Mode 
 

Custom 1
Custom

Adobe RGB Color Gamut Picture  

Gigabyte G27QC Adobe RGB Color Gamut Picture
Samsung Odyssey G5/G55A S27AG55 Adobe RGB Color Gamut Picture

Adobe RGB Coverage xy 
 

81.2%
76.1%

Adobe RGB Picture Mode 
 

Custom 1
Custom

Show text

HDR Color Gamut 
 

7.0
6.2

Wide Color Gamut 
 

Yes
No

DCI-P3 Color Gamut Picture  

Gigabyte G27QC DCI-P3 Color Gamut Picture
Samsung Odyssey G5/G55A S27AG55 DCI-P3 Color Gamut Picture

DCI-P3 Coverage xy 
 

77.3%

DCI-P3 Picture Mode 
 

Custom 1
HDR On

Rec. 2020 Color Gamut Picture  

Gigabyte G27QC Rec. 2020 Color Gamut Picture
Samsung Odyssey G5/G55A S27AG55 Rec. 2020 Color Gamut Picture

Rec. 2020 Coverage xy 
 

63.1%
55.5%

Rec. 2020 Picture Mode 
 

Custom 1
HDR On

DCI P3 xy 
 

77.0%

Show text

HDR Color Volume 
 

7.3
6.1

DCI-P3 Color Volume ITP Picture  

Gigabyte G27QC DCI-P3 Color Volume ITP Picture
Samsung Odyssey G5/G55A S27AG55 DCI-P3 Color Volume ITP Picture

1,000 cd/m² DCI-P3 Coverage ICtCp 
 

83.9%
46.7%

DCI-P3 Picture Mode 
 

Custom 1
HDR On

Rec. 2020 Color Volume ITP Picture  

Gigabyte G27QC Rec. 2020 Color Volume ITP Picture
Samsung Odyssey G5/G55A S27AG55 Rec. 2020 Color Volume ITP Picture

10,000 cd/m² Rec. 2020 Coverage ICtCp 
 

61.4%
19.9%

Rec. 2020 Picture Mode 
 

Custom 1
HDR On

Show text

Text Clarity 
 

7.5
7.5

ClearType On  

Gigabyte G27QC ClearType On
Samsung Odyssey G5/G55A S27AG55 ClearType On

ClearType Off  

Gigabyte G27QC ClearType Off
Samsung Odyssey G5/G55A S27AG55 ClearType Off

Pixel Type 
 

VA
VA

Pixels  

Gigabyte G27QC Pixels
Samsung Odyssey G5/G55A S27AG55 Pixels

Subpixel Layout 
 

RGB
RGB

Show text

Reflections 
 

7.9
7.5

Average Room  

Gigabyte G27QC Average Room
Samsung Odyssey G5/G55A S27AG55 Average Room

Average Room Off Picture  

Gigabyte G27QC Average Room Off Picture
Samsung Odyssey G5/G55A S27AG55 Average Room Off Picture

Bright Room Off Picture  

Gigabyte G27QC Bright Room Off Picture
Samsung Odyssey G5/G55A S27AG55 Bright Room Off Picture

Screen Finish 
 

Matte
Matte

Total Reflections 
 

5.3%
5.3%

Indirect Reflections 
 

4.4%
3.1%

Calculated Direct Reflections 
 

0.9%
2.2%

Show text

Gradient 
 

9.7
9.8

Gradient Picture  

Gigabyte G27QC Gradient Picture
Samsung Odyssey G5/G55A S27AG55 Gradient Picture

Color Depth 
 

10 Bit
10 Bit

Show text

SDR Color Volume 
 

9.4

sRGB Color Volume ITP Picture  

Gigabyte G27QC sRGB Color Volume ITP Picture

sRGB In ICtCp 
 

98.9%

Adobe RGB Color Volume ITP Picture  

Gigabyte G27QC Adobe RGB Color Volume ITP Picture

Adobe RGB In ICtCp 
 

88.6%

sRGB Picture Mode 
 

Custom 1

Adobe RGB Picture Mode 
 

Custom 1

Show text

Image Retention 
 

9.9

Image Retention Picture  

Gigabyte G27QC Image Retention Picture

IR After 0 Min Recovery 
 

0.05%

IR After 2 Min Recovery 
 

0.00%

IR After 4 Min Recovery 
 

0.00%

IR After 6 Min Recovery 
 

0.00%

IR After 8 Min Recovery 
 

0.00%

IR After 10 Min Recovery 
 

0.00%

Show text

Color Bleed 
 

10

Color Bleed Horizontal  

Gigabyte G27QC Color Bleed Horizontal

Pixel Row Error 
 

0.001%

Color Bleed Vertical  

Gigabyte G27QC Color Bleed Vertical

Pixel Column Error 
 

0.001%

Show text

Motion

Refresh Rate 
 

7.5

Native Refresh Rate 
 

165 Hz
165 Hz

Max Refresh Rate 
 

165 Hz
165 Hz

Max Refresh Rate Over DP 
 

165 Hz

Max Refresh Rate Over HDMI 
 

144 Hz

Max Refresh Rate Over DP @ 10-bit 
 

165 Hz

Max Refresh Rate Over HDMI @ 10-Bit 
 

60 Hz

Show text

Variable Refresh Rate (VRR) 
 

Variable Refresh Rate 
 

FreeSync
Yes

FreeSync 
 

Yes
Yes

G-SYNC 
 

Compatible (Tested)
Compatible (Tested)

VRR Maximum 
 

165 Hz
165 Hz

VRR Minimum 
 

< 20 Hz
< 20 Hz

VRR Supported Connectors 
 

DisplayPort, HDMI
DisplayPort, HDMI

Native 
 

165 Hz
165 Hz

Max Refresh Rate 
 

165 Hz
165 Hz

Variable Refresh Rate 
 

Yes

Show text

VRR Motion Performance 
 

4.3

Pursuit Photo VRR  

Samsung Odyssey G5/G55A S27AG55 Pursuit Photo VRR

OD Mode CAD Comparison  

See details on graph tool

Recommended VRR OD Setting 
 

FreeSync Premium

Variable Overdrive Advertised 
 

No

Avg. CAD 
 

449

Best CAD 
 

412

Worst CAD 
 

506

Show text

Refresh Rate Compliance 
 

5.3

Fast GTG Sequence  

See details on graph tool

VRR Compliance  

See details on graph tool

Compliance @ Max Hz 
 

34%

Compliance @ 120 FPS 
 

45%

Compliance @ 60 FPS 
 

59%

Show text

CAD @ Max Refresh Rate 
 

5.7

Pursuit Photo At Max Refresh  

Gigabyte G27QC Pursuit Photo At Max Refresh
Samsung Odyssey G5/G55A S27AG55 Pursuit Photo At Max Refresh

CAD Heatmap At Max Refresh  

Gigabyte G27QC CAD Heatmap At Max Refresh
Samsung Odyssey G5/G55A S27AG55 CAD Heatmap At Max Refresh

OD Transition Max Refresh Rate 
 

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

Recommended Overdrive Setting 
 

Fastest

Avg. CAD 
 

256

Best 10% CAD 
 

83

Worst 10% CAD 
 

653

Show text

Response Time @ Max Refresh Rate 
 

First Response Time 
 

5.2 ms
8.8 ms

Total Response Time 
 

12.2 ms
11.9 ms

Recommended Overdrive Setting 
 

Speed
Fastest

RGB Overshoot 
 

7.9%
7 RGB

Worst 10% RGB Overshoot 
 

2.0%
43 RGB

Worst 10% First Response Time 
 

10.5 ms
26.4 ms

Worst 10% Total Response Time 
 

18.8 ms
26.4 ms

Heatmap First Response  

Samsung Odyssey G5/G55A S27AG55 Heatmap First Response

Heatmap Total Response  

Samsung Odyssey G5/G55A S27AG55 Heatmap Total Response

Heatmap RGB Overshoot  

Samsung Odyssey G5/G55A S27AG55 Heatmap RGB Overshoot

Motion Blur Picture  

Gigabyte G27QC Motion Blur Picture
Samsung Odyssey G5/G55A S27AG55 Motion Blur Picture

Response Time Table  

Gigabyte G27QC Response Time Table
Samsung Odyssey G5/G55A S27AG55 Response Time Table

Show text

CAD @ 120Hz 
 

5.5

Pursuit Photo 120Hz  

Samsung Odyssey G5/G55A S27AG55 Pursuit Photo 120Hz

CAD Heatmap 120Hz  

Samsung Odyssey G5/G55A S27AG55 CAD Heatmap 120Hz

OD Transition 120Hz 
 

od-transition-120-faster-0-31
OD faster
0 to 31

Recommended Overdrive Setting 
 

Fastest

Avg. CAD 
 

286

Best 10% CAD 
 

86

Worst 10% CAD 
 

633

Show text

Response Time @ 120Hz 
 

Worst 10% First Response Time 
 

31.8 ms

RGB Overshoot 
 

2 RGB

Total Response Time 
 

14.2 ms

First Response Time 
 

12.5 ms

Recommended Overdrive Setting 
 

Fastest

Worst 10% Total Response Time 
 

31.8 ms

Worst 10% RGB Overshoot 
 

15 RGB

120Hz First Response Heatmap  

Samsung Odyssey G5/G55A S27AG55 120Hz First Response Heatmap

120Hz Total Response Heatmap  

Samsung Odyssey G5/G55A S27AG55 120Hz Total Response Heatmap

120Hz Heatmap RGB Overshoot  

Samsung Odyssey G5/G55A S27AG55 120Hz Heatmap RGB Overshoot

Show text

CAD @ 60Hz 
 

5.4

Pursuit Photo 60Hz  

Gigabyte G27QC Pursuit Photo 60Hz
Samsung Odyssey G5/G55A S27AG55 Pursuit Photo 60Hz

CAD Heatmap 60Hz  

Samsung Odyssey G5/G55A S27AG55 CAD Heatmap 60Hz

OD Transition 60Hz 
 

od-transition-60-faster-0-31
OD faster
0 to 31

Recommended Overdrive Setting 
 

Fastest

Avg. CAD 
 

314

Best 10% CAD 
 

92

Worst 10% CAD 
 

612

Show text

Response Time @ 60Hz 
 

Recommended Overdrive Setting 
 

Balance
Fastest

First Response Time 
 

5.6 ms
14.6 ms

Total Response Time 
 

15.5 ms
16.9 ms

RGB Overshoot 
 

3.5%
1 RGB

Worst 10% Total Response Time 
 

20.3 ms
30.9 ms

Worst 10% First Response Time 
 

7.5 ms
30.9 ms

Worst 10% RGB Overshoot 
 

4.5%
9 RGB

60Hz First Response Heatmap  

Samsung Odyssey G5/G55A S27AG55 60Hz First Response Heatmap

60Hz Total Response Heatmap  

Samsung Odyssey G5/G55A S27AG55 60Hz Total Response Heatmap

60Hz RGB Overshoot Heatmap  

Samsung Odyssey G5/G55A S27AG55 60Hz RGB Overshoot Heatmap

Show text

Backlight Strobing (BFI) 
 

Backlight Strobing Picture  

Gigabyte G27QC Backlight Strobing Picture
Samsung Odyssey G5/G55A S27AG55 Backlight Strobing Picture

Backlight Strobing Frequency Picture  

Gigabyte G27QC Backlight Strobing Frequency Picture
Samsung Odyssey G5/G55A S27AG55 Backlight Strobing Frequency Picture

Backlight Strobing (BFI) 
 

Yes
Yes

Maximum Frequency 
 

165 Hz
165 Hz

Minimum Frequency 
 

100 Hz
165 Hz

Longest Pulse Width Brightness 
 

114 cd/m²

Shortest Pulse Width Brightness 
 

114 cd/m²

Pulse Width Control 
 

No

Pulse Phase Control 
 

No

Pulse Amplitude Control 
 

No

VRR At The Same Time 
 

No

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VRR Flicker 
 

2.4

VRR Flicker Video  

VRR Flicker Graph  

Samsung Odyssey G5/G55A S27AG55 VRR Flicker Graph

Dark Gray Flicker 
 

5.9 RGB

Middle Gray Flicker 
 

5.1 RGB

Light Gray Flicker 
 

4.3 RGB

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Image Flicker 
 

10
10

Backlight Picture  

Gigabyte G27QC Backlight Picture
Samsung Odyssey G5/G55A S27AG55 Backlight Picture

Flicker-Free 
 

Yes
Yes

PWM Dimming Frequency 
 

0 Hz
>1000 Hz

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Response Time @ 60Hz 
 

8.0

Motion Blur Picture  

Gigabyte G27QC Motion Blur Picture

Response Time Table  

Gigabyte G27QC Response Time Table
Samsung Odyssey G5/G55A S27AG55 Response Time Table

Best Overdrive Setting 
 

Balance
Fastest

Rise / Fall Time 
 

5.6 ms
14.6 ms

Total Response Time 
 

15.5 ms
16.9 ms

Overshoot Error 
 

3.5%
1 RGB

Dark Rise / Fall Time 
 

7.5 ms
30.9 ms

Dark Total Response Time 
 

20.3 ms
30.9 ms

Dark Overshoot Error 
 

4.5%
9 RGB

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Inputs

Input Lag 
 

9.5
8.7

Native Resolution @ Max Hz 
 

3.9 ms
4.9 ms

Native Resolution @ 120Hz 
 

6.1 ms

Native Resolution @ 60Hz 
 

8.5 ms
10.4 ms

Variable Refresh Rate 
 

4.1 ms

Variable Refresh Rate @ 60Hz 
 

9.5 ms

10 Bit HDR 
 

N/A

Backlight Strobing (BFI) 
 

4.2 ms
7.1 ms

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Resolution 
 

8.3
7.5

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

Screen Diagonal  

27.0"

Screen Area  

310 in²

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PS5 Compatibility 
 

4.9

PS5 Compatibility Photo  

Samsung Odyssey G5/G55A S27AG55 PS5 Compatibility Photo

PS5 Compatibility Table  

Samsung Odyssey G5/G55A S27AG55 PS5 Compatibility Table

4k @ 120Hz 
 

No

4k @ 60Hz 
 

Yes

1440p @ 120Hz 
 

Yes

1440p @ 60Hz 
 

Yes

1080p @ 120Hz 
 

Yes

1080p @ 60Hz 
 

Yes

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Xbox Series X|S Compatibility 
 

6.6

XSX Compatibility Photo  

Samsung Odyssey G5/G55A S27AG55 XSX Compatibility Photo

XSX Compatibility Table  

Samsung Odyssey G5/G55A S27AG55 XSX Compatibility Table

4k @ 120Hz 
 

No

4k @ 60Hz 
 

Yes

1440p @ 120Hz 
 

Yes

1440p @ 60Hz 
 

Yes

1080p @ 120Hz 
 

Yes

1080p @ 60Hz 
 

Yes

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Inputs Photos  

Inputs 1  

Gigabyte G27QC Inputs 1
Samsung Odyssey G5/G55A S27AG55 Inputs 1

Inputs 2  

Gigabyte G27QC Inputs 2
Samsung Odyssey G5/G55A S27AG55 Inputs 2

Video And Audio Ports 
 

DisplayPort 
 

1 (DP 1.4)
1 (DP 1.4)

Mini DisplayPort 
 

No
No

HDMI 
 

2 (HDMI 2.0)
1 (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 
 

Yes
Yes

3.5mm Audio In 
 

No

3.5mm Microphone In 
 

No
No

DisplayPort Out  

No

USB  

2 (USB 3.0)
1 (Service Port Only)

USB C  

No
0

Digital Optical Audio Out  

No

Analog Audio Out RCA  

No

Power Supply  

Internal
External Brick

USB 
 

USB-A Ports 
 

2 (USB 3.0)
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  

Samsung Odyssey G5/G55A S27AG55 macOS Screenshot

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Features

Additional Features 
 

Speakers 
 

Yes
No

RGB Illumination 
 

No
No

Multiple Input Display 
 

PIP + PBP
No

KVM Switch 
 

No

HDR10  

Yes
Yes

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On-Screen Display (OSD) 
 

OSD Picture  

Gigabyte G27QC OSD Picture
Samsung Odyssey G5/G55A S27AG55 OSD Picture

Controls  

Controls Picture  

Gigabyte G27QC Controls Picture
Samsung Odyssey G5/G55A S27AG55 Controls Picture

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In The Box  

In The Box Picture  

Gigabyte G27QC In The Box Picture
Samsung Odyssey G5/G55A S27AG55 In The Box Picture

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Check Price

Gigabyte G27QC

Samsung Odyssey G5/G55A S27AG55

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