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- Table of Contents
- Top
- Main Differences
- Design
- Picture Quality
- Motion
- Inputs
- Features
- Comments
Gigabyte G34WQC vs Samsung Odyssey G55C S27CG55
Side-by-Side Comparison
Products
Gigabyte G34WQC
Samsung Odyssey G55C S27CG55
Tested using Methodology v1.2
Updated Mar 06, 2024 09:23 PM
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Amazon.comTested using Methodology v2.0.1
Updated Feb 19, 2025 04:50 PM
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Max Refresh Rate144 Hz
Size34"
Pixel TypeVA
Native Resolution3440 x 1440
Variable Refresh RateYes
HDR10Yes
Max Refresh Rate165 Hz
Size27"
Pixel TypeVA
Native Resolution2560 x 1440
Variable Refresh RateYes
HDR10Yes
Variants
- G34WQC (34")
- LS27CG552ENXZA (27")
Our Verdict
Gigabyte G34WQC
Samsung Odyssey G55C S27CG55
The Gigabyte G34WQC and the Samsung Odyssey G5/G55C S27CG55 are different types of gaming monitors. The main difference is that the Gigabyte has an ultrawide screen for a more immersive gaming experience, so choosing one over the other can come down to knowing if you want an ultrawide monitor.
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34"
G34WQC
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Finding store27"
LS27CG552ENXZA
Searching
Finding store34"
G34WQC
Searching
Finding store27"
LS27CG552ENXZA
Searching
Finding store34"
G34WQC
Searching
Finding store27"
LS27CG552ENXZA
Searching
Finding store34"
G34WQC
Searching
Finding store27"
LS27CG552ENXZA
Searching
Finding store34"
G34WQC
Searching
Finding store27"
LS27CG552ENXZA
Searching
Finding store27"
LS27CG552ENXZA
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Finding storeMain Differences forMixed Usage
Mixed Usage
Threshold
Mixed Usage
7.6
Full Comparison
Design
Style
Design Picture
Curved
Yes
Yes
Curve Radius
1500R
1000R
Accelerated Longevity Test
Uniformity Pictures
Longevity Graph
Build Quality
7.5
7.0
Build Quality Picture
Ergonomics
6.0
1.7
Ergonomics Picture
Back Picture
Height Adjustment
3.9" (10.0 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
Stand
Stand Picture
Thickness Picture
Base Width
19.4" (49.4 cm)
21.9" (55.5 cm)
Base Depth
9.3" (23.5 cm)
11.2" (28.5 cm)
Thickness (With Display)
8.3" (21.0 cm)
9.3" (23.5 cm)
Weight (With Display)
18.3 lbs (8.3 kg)
9.3 lbs (4.2 kg)
Display
Display Picture
Size
34"
27"
Housing Width
31.9" (80.9 cm)
24.2" (61.5 cm)
Housing Height
14.3" (36.3 cm)
15.0" (38.0 cm)
Thickness (Without Stand)
4.5" (11.5 cm)
4.7" (12.0 cm)
Weight (Without Stand)
13.4 lbs (6.1 kg)
8.4 lbs (3.8 kg)
Borders Size (Bezels)
0.4" (1.0 cm)
0.4" (1.0 cm)
Controls
Controls Picture
In The Box
In The Box Picture
Power Supply
Internal
External Brick
Picture Quality
Contrast
8.0
7.8
Checkerboard Picture
Native Contrast
3,134 : 1
2,922 : 1
Contrast With Local Dimming
N/A
N/A
Local Dimming
0.0
0.0
Local Dimming Video
Local Dimming
No
No
Backlight
Edge
Edge
SDR Brightness
8.1
7.8
Real Scene
381 cd/m²
319 cd/m²
Peak 2% Window
372 cd/m²
334 cd/m²
Peak 10% Window
372 cd/m²
335 cd/m²
Peak 25% Window
372 cd/m²
335 cd/m²
Peak 50% Window
372 cd/m²
335 cd/m²
Peak 100% Window
371 cd/m²
336 cd/m²
Sustained 2% Window
371 cd/m²
334 cd/m²
Sustained 10% Window
372 cd/m²
335 cd/m²
Sustained 25% Window
372 cd/m²
335 cd/m²
Sustained 50% Window
372 cd/m²
335 cd/m²
Sustained 100% Window
371 cd/m²
335 cd/m²
Automatic Brightness Limiting (ABL)
0.000
0.000
Minimum Brightness
63 cd/m²
38 cd/m²
HDR Brightness
7.2
6.3
EOTF
VESA DisplayHDR Certification
DisplayHDR 400 - 1.0/1.1
No Certification
Real Scene
499 cd/m²
327 cd/m²
Peak 2% Window
479 cd/m²
342 cd/m²
Peak 10% Window
487 cd/m²
342 cd/m²
Peak 25% Window
488 cd/m²
342 cd/m²
Peak 50% Window
487 cd/m²
342 cd/m²
Peak 100% Window
487 cd/m²
342 cd/m²
Sustained 2% Window
478 cd/m²
342 cd/m²
Sustained 10% Window
486 cd/m²
342 cd/m²
Sustained 25% Window
487 cd/m²
342 cd/m²
Sustained 50% Window
487 cd/m²
342 cd/m²
Sustained 100% Window
487 cd/m²
342 cd/m²
Automatic Brightness Limiting (ABL)
0.001
0.000
Horizontal Viewing Angle
5.6
5.3
Horizontal Viewing Angle Video
Horizontal Chroma Graph
Color Washout From Left
24°
30°
Color Washout From Right
26°
26°
Horizontal Hue Graph
Color Shift From Left
46°
40°
Color Shift From Right
52°
36°
Horizontal Lightness Graph
Brightness Loss From Left
27°
31°
Brightness Loss From Right
28°
28°
Black Level Raise From Left
15°
14°
Black Level Raise From Right
18°
11°
Gamma Shift From Left
16°
15°
Gamma Shift From Right
20°
12°
Vertical Viewing Angle
5.4
4.9
Vertical Viewing Angle Video
Vertical Chroma Graph
Color Washout From Below
26°
25°
Color Washout From Above
24°
25°
Vertical Hue Graph
Color Shift From Below
60°
26°
Color Shift From Above
60°
26°
Vertical Lightness Graph
Brightness Loss From Below
27°
29°
Brightness Loss From Above
25°
29°
Black Level Raise From Below
13°
8°
Black Level Raise From Above
11°
7°
Gamma Shift From Below
13°
14°
Gamma Shift From Above
10°
13°
Gray Uniformity
8.0
8.4
50% Uniformity Picture
50% Std. Dev.
2.981%
1.735%
50% DSE
0.142%
0.141%
Black Uniformity
6.5
3.9
Native Black Uniformity Picture
Native Std. Dev.
1.629%
3.384%
Black Uniformity Picture With Local Dimming
Std. Dev. w/ L.D.
N/A
N/A
Color Accuracy (Pre-Calibration)
7.1
8.1
Pre Calibration Picture
Pre Gamma Curve Picture
Pre Color Picture
Picture Mode
sRGB
Original
sRGB Gamut Area xy
90.8%
101.2%
White Balance dE (Avg.)
4.21
4.39
Color Temperature (Avg.)
7,320 K
7,393 K
Gamma (Avg.)
2.09
2.13
Color dE (Avg.)
3.95
3.02
Contrast Setting
N/A
50
RGB Settings
Default
0-0-0
Gamma Setting
Default
0
Brightness Setting
35
50
Measured Brightness
186 cd/m²
371 cd/m²
Brightness Locked
No
No
Color Accuracy (Post-Calibration)
9.5
9.3
Post Calibration Picture
Post Gamma Curve Picture
Post Color Picture
Picture Mode
Custom 1
Original
sRGB Gamut Area xy
96.9%
99.4%
White Balance dE (Avg.)
0.64
0.48
Color Temperature (Avg.)
6,454 K
6,510 K
Gamma (Avg.)
2.19
2.18
Color dE (Avg.)
0.60
2.25
Contrast Setting
60
48
RGB Settings
50-47-46
7-3-(-13)
Gamma Setting
Gamma 3
0
Brightness Setting
10
9
Measured Brightness
101 cd/m²
99 cd/m²
SDR Color Gamut
9.1
9.1
sRGB Color Gamut Picture
sRGB Coverage xy
97.0%
99.1%
sRGB Picture Mode
Custom 1
Original
Adobe RGB Color Gamut Picture
Adobe RGB Coverage xy
84.4%
76.5%
Adobe RGB Picture Mode
Custom 1
Original
HDR Color Gamut
7.7
6.1
Wide Color Gamut
Yes
No
DCI-P3 Color Gamut Picture
DCI-P3 Coverage xy
88.1%
76.5%
DCI-P3 Picture Mode
HDR On
Graphics
Rec. 2020 Color Gamut Picture
Rec. 2020 Coverage xy
64.8%
54.8%
Rec. 2020 Picture Mode
HDR On
Graphics
HDR Color Volume
6.9
6.1
DCI-P3 Color Volume ITP Picture
1,000 cd/m² DCI-P3 Coverage ICtCp
70.4%
46.3%
DCI-P3 Picture Mode
HDR On
Graphics
Rec. 2020 Color Volume ITP Picture
10,000 cd/m² Rec. 2020 Coverage ICtCp
60.6%
19.9%
Rec. 2020 Picture Mode
HDR On
Graphics
Text Clarity
7.5
7.5
ClearType On
ClearType Off
Pixel Type
VA
VA
Pixels
Subpixel Layout
RGB
RGB
Reflections
7.5
7.2
Average Room
Average Room Off Picture
Bright Room Off Picture
Screen Finish
Matte
Semi-Gloss
Total Reflections
5.6%
5.8%
Indirect Reflections
3.6%
3.2%
Calculated Direct Reflections
2.0%
2.6%
Gradient
9.3
9.8
Gradient Picture
Color Depth
10 Bit
10 Bit
SDR Color Volume
9.7
sRGB Color Volume ITP Picture
sRGB In ICtCp
98.7%
sRGB Picture Mode
Custom 1
Adobe RGB Color Volume ITP Picture
Adobe RGB In ICtCp
89.2%
Adobe RGB Picture Mode
Custom 1
Motion
Refresh Rate
8.3
7.5
Native Refresh Rate
144 Hz
165 Hz
Max Refresh Rate
144 Hz
165 Hz
Max Refresh Rate Over DP
144 Hz
165 Hz
Max Refresh Rate Over HDMI
100 Hz
144 Hz
Max Refresh Rate Over DP @ 10-bit
144 Hz
120 Hz
Max Refresh Rate Over HDMI @ 10-Bit
60 Hz
60 Hz
Variable Refresh Rate (VRR)
Variable Refresh Rate
Yes
Yes
FreeSync
Yes
Yes
G-SYNC
Compatible (Tested)
Compatible (Tested)
VRR Maximum
144 Hz
165 Hz
VRR Minimum
< 20 Hz
< 20 Hz
VRR Supported Connectors
DisplayPort, HDMI
DisplayPort, HDMI
VRR Motion Performance
3.7
Pursuit Photo VRR
OD Mode CAD Comparison
Recommended VRR OD Setting
Adaptive-Sync
Variable Overdrive Advertised
No
Avg. CAD
491
Best CAD
460
Worst CAD
542
Refresh Rate Compliance
4.8
Fast GTG Sequence
VRR Compliance
Compliance @ Max Hz
31%
Compliance @ 120 FPS
40%
Compliance @ 60 FPS
58%
Response Time @ 60Hz
6.4
Motion Blur Picture
Response Time Table
Recommended Overdrive Setting
Balance
Extreme
Rise / Fall Time
4.7 ms
12.6 ms
Total Response Time
20.6 ms
13.8 ms
Overshoot Error
5.8%
2 RGB
Worst 3 Rise / Fall Time
8.5 ms
29.6 ms
Worst 3 Total Response Time
38.6 ms
29.6 ms
Worst 3 Overshoot Error
25.3%
13 RGB
CAD @ Max Refresh Rate
5.3
Pursuit Photo At Max Refresh
CAD Heatmap At Max Refresh
OD Transition Max Refresh Rate
OD extreme
0 to 31
Recommended Overdrive Setting
Extreme
Avg. CAD
295
Best 10% CAD
91
Worst 10% CAD
680
Response Time @ Max Refresh Rate
First Response Time
3.0 ms
13.2 ms
Total Response Time
13.8 ms
14.4 ms
Recommended Overdrive Setting
Speed
Extreme
Motion Blur Picture
RGB Overshoot
15.3%
2 RGB
Worst 10% RGB Overshoot
52.7%
14 RGB
Worst 10% First Response Time
8.1 ms
33.0 ms
Worst 10% Total Response Time
25.2 ms
33.0 ms
Heatmap First Response
Heatmap Total Response
Heatmap RGB Overshoot
Response Time Table
CAD @ 120Hz
5.3
Pursuit Photo 120Hz
CAD Heatmap 120Hz
OD Transition 120Hz
OD extreme
0 to 31
Recommended Overdrive Setting
Extreme
Avg. CAD
299
Best 10% CAD
90
Worst 10% CAD
688
Response Time @ 120Hz
Worst 10% First Response Time
13.2 ms
33.6 ms
RGB Overshoot
2.8%
2 RGB
Total Response Time
14.8 ms
14.5 ms
First Response Time
5.0 ms
13.4 ms
Recommended Overdrive Setting
Balance
Extreme
Worst 10% Total Response Time
32.5 ms
33.6 ms
Worst 10% RGB Overshoot
21.2%
13 RGB
120Hz First Response Heatmap
120Hz Total Response Heatmap
120Hz Heatmap RGB Overshoot
Motion Blur Picture
Response Time Table
CAD @ 60Hz
5.4
Pursuit Photo 60Hz
CAD Heatmap 60Hz
OD Transition 60Hz
OD extreme
0 to 31
Recommended Overdrive Setting
Extreme
Avg. CAD
290
Best 10% CAD
89
Worst 10% CAD
653
Response Time @ 60Hz
Recommended Overdrive Setting
Balance
Extreme
First Response Time
4.7 ms
12.6 ms
Total Response Time
20.6 ms
13.8 ms
RGB Overshoot
5.8%
2 RGB
Worst 10% Total Response Time
38.6 ms
29.6 ms
Worst 10% First Response Time
8.5 ms
29.6 ms
Worst 10% RGB Overshoot
25.3%
13 RGB
60Hz First Response Heatmap
60Hz Total Response Heatmap
60Hz RGB Overshoot Heatmap
Backlight Strobing (BFI)
Backlight Strobing Picture
Backlight Strobing Frequency Picture
Backlight Strobing (BFI)
Yes
Yes
Maximum Frequency
144 Hz
165 Hz
Minimum Frequency
100 Hz
165 Hz
Longest Pulse Width Brightness
220 cd/m²
120 cd/m²
Shortest Pulse Width Brightness
220 cd/m²
120 cd/m²
Pulse Width Control
No
No
Pulse Phase Control
No
No
Pulse Amplitude Control
No
No
VRR At The Same Time
No
No
VRR Flicker
4.0
VRR Flicker Video
VRR Flicker Graph
Dark Gray Flicker
3.3 RGB
Middle Gray Flicker
4.0 RGB
Light Gray Flicker
2.9 RGB
Image Flicker
10
10
Backlight Picture
Flicker-Free
Yes
Yes
PWM Dimming Frequency
0 Hz
0 Hz
Inputs
Input Lag
8.9
7.6
Native Resolution @ Max Hz
4.2 ms
12.9 ms
Native Resolution @ 120Hz
5.4 ms
5.0 ms
Native Resolution @ 60Hz
9.2 ms
25.4 ms
Backlight Strobing (BFI)
4.2 ms
16.0 ms
Resolution
8.4
7.5
Native Resolution
3440 x 1440
2560 x 1440
Aspect Ratio
21:9
16:9
Megapixels
5.0 MP
3.7 MP
Pixel Density
109 PPI
109 PPI
Measured Screen Diagonal
34.1"
Screen Area
415 in²
PS5 Compatibility
7.0
4.9
PS5 Compatibility Photo
PS5 Compatibility Table
4k @ 120Hz
No
No
4k @ 60Hz
Yes
Yes
1440p @ 120Hz
No
Yes
1440p @ 60Hz
Yes
Yes
1080p @ 120Hz
Yes
Yes
1080p @ 60Hz
Yes
Yes
HDR
Yes
VRR
No
Xbox Series X|S Compatibility
8.3
6.6
XSX Compatibility Photo
XSX Compatibility Table
4k @ 120Hz
No
No
4k @ 60Hz
Yes
Yes
1440p @ 120Hz
No
Yes
1440p @ 60Hz
Yes
Yes
1080p @ 120Hz
Yes
Yes
1080p @ 60Hz
Yes
Yes
HDR
Yes
VRR
Yes
Inputs Photos
Inputs 1
Inputs 2
Video And Audio Ports
DisplayPort
2 (DP 1.4)
1 (DP 1.2)
DisplayPort Transmission Bandwidth
No DisplayPort 2.1
Mini DisplayPort
No
No
HDMI
2 (HDMI 2.0)
1 (HDMI 2.0)
HDMI 2.1 Bandwidth
No HDMI 2.1
No HDMI 2.1
DVI
No
No
VGA
No
No
Daisy Chaining
No
No
3.5mm Audio Out
1
1
HDR10
Yes
Yes
3.5mm Audio In
No
No
3.5mm Microphone In
No
No
USB
USB-A Ports
0
1 (Service Port Only)
USB-A Rated Speed
No USB-A Ports
480Mbps (USB 2.0)
USB-B Upstream Port
No
No
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
macOS Compatibility
macOS Screenshot
Features
Additional Features
Speakers
Yes
No
RGB Illumination
No
No
Multiple Input Display
PIP + PBP
No
KVM Switch
No
No
On-Screen Display (OSD)
OSD Picture
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34"
G34WQC
Searching
Finding store27"
LS27CG552ENXZA
Searching
Finding store34"
G34WQC
Searching
Finding store27"
LS27CG552ENXZA
Searching
Finding store34"
G34WQC
Searching
Finding store27"
LS27CG552ENXZA
Searching
Finding store34"
G34WQC
Searching
Finding store27"
LS27CG552ENXZA
Searching
Finding store34"
G34WQC
Searching
Finding store27"
LS27CG552ENXZA
Searching
Finding store27"
LS27CG552ENXZA
Searching
Finding store
Gigabyte G34WQC
Samsung Odyssey G55C S27CG55
Comments
Gigabyte G34WQC vs Samsung Odyssey G55C S27CG55: Main Discussion
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