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Products
Gigabyte GS27QC
AOC Q27G3XMN
Tested using Methodology v2.0.1
Updated Aug 11, 2025 03:44 PM
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Amazon.comTested using Methodology v2.1
Updated Jul 21, 2025 02:12 PM
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Amazon.com
Max Refresh Rate170 Hz
Size27"
Pixel TypeVA
Native Resolution2560 x 1440
Max Refresh Rate180 Hz
Size27"
Pixel TypeVA
Native Resolution2560 x 1440
Our Verdict
Gigabyte GS27QC
AOC Q27G3XMN
Full comparison details regarding individual product score sets can be found in the section below
Variants
- GS27QC (27")
- Q27G3XMN (27")
Check Price
27"
GS27QC
SEE PRICE
Amazon.com27"
Q27G3XMN
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Amazon.com27"
GS27QC
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B&H27"
Q27G3XMN
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Walmart.com27"
GS27QC
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Walmart.com27"
Q27G3XMN
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GS27QC
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Q27G3XMN
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BestBuy.comMain Differences forPC Gaming
PC Gaming
Threshold
PC Gaming
6.9
8.2
VRR Motion Performance
6.1
8.8
Local Dimming
0.0
7.5
Refresh Rate Compliance
6.8
8.5
CAD @ 120Hz
6.3
8.5
CAD @ Max Refresh Rate
6.9
8.4
CAD @ 60Hz
5.7
8.2
Full Comparison
Design
Style
Design Picture
Curved
Yes
No
Curve Radius
1500R
Not Curved
Accelerated Longevity Test
Uniformity Pictures
Longevity Graph
Build Quality
6.5
7.5
Build Quality Picture
Ergonomics
4.4
9.2
Ergonomics Picture
Back Picture
Height Adjustment
0.0" (0.0 cm)
5.1" (12.9 cm)
Min Height To Top Of Panel
17.0" (43.3 cm)
15.4" (39.2 cm)
Tilt Range
-17.5° to 5°
-20° to 5°
Rotate Portrait/Landscape
No
Yes, Both Ways
Swivel Range
No swivel
-30° to 30°
Wall Mount
VESA 100x100
VESA 100x100
Stand
Stand Picture
Thickness Picture
Base Width
6.7" (16.9 cm)
19.1" (48.5 cm)
Base Depth
6.8" (17.3 cm)
12.2" (31.0 cm)
Thickness (With Display)
5.9" (15.0 cm)
9.2" (23.4 cm)
Weight (With Display)
10.1 lbs (4.6 kg)
15.8 lbs (7.2 kg)
Display
Display Picture
Size
27"
27"
Housing Width
24.1" (61.3 cm)
24.2" (61.4 cm)
Housing Height
14.3" (36.2 cm)
14.3" (36.4 cm)
Thickness (Without Stand)
3.1" (7.9 cm)
2.8" (7.2 cm)
Weight (Without Stand)
7.8 lbs (3.6 kg)
12.2 lbs (5.6 kg)
Borders Size (Bezels)
0.3" (0.8 cm)
0.3" (0.8 cm)
Controls
Controls Picture
In The Box
In The Box Picture
Power Supply
Internal
Internal
Picture Quality
Contrast
8.7
8.8
Checkerboard Picture
Native Contrast
4,961 : 1
4,508 : 1
Contrast With Local Dimming
N/A
9,613 : 1
Local Dimming
0.0
7.5
Local Dimming Video
Local Dimming
No
Yes
Backlight
Edge
Full-Array
SDR Brightness
6.4
7.8
Real Scene
220 cd/m²
327 cd/m²
Peak 2% Window
222 cd/m²
270 cd/m²
Peak 10% Window
223 cd/m²
332 cd/m²
Peak 25% Window
224 cd/m²
359 cd/m²
Peak 50% Window
224 cd/m²
373 cd/m²
Peak 100% Window
224 cd/m²
382 cd/m²
Sustained 2% Window
222 cd/m²
270 cd/m²
Sustained 10% Window
223 cd/m²
332 cd/m²
Sustained 25% Window
224 cd/m²
357 cd/m²
Sustained 50% Window
224 cd/m²
371 cd/m²
Sustained 100% Window
224 cd/m²
380 cd/m²
Automatic Brightness Limiting (ABL)
0.001
0.021
Minimum Brightness
37 cd/m²
34 cd/m²
HDR Brightness
5.4
8.7
EOTF
VESA DisplayHDR Certification
No Certification
DisplayHDR 1000
Real Scene
225 cd/m²
810 cd/m²
Peak 2% Window
249 cd/m²
796 cd/m²
Peak 10% Window
250 cd/m²
976 cd/m²
Peak 25% Window
250 cd/m²
1,034 cd/m²
Peak 50% Window
250 cd/m²
1,011 cd/m²
Peak 100% Window
250 cd/m²
966 cd/m²
Sustained 2% Window
248 cd/m²
790 cd/m²
Sustained 10% Window
249 cd/m²
970 cd/m²
Sustained 25% Window
250 cd/m²
1,018 cd/m²
Sustained 50% Window
250 cd/m²
991 cd/m²
Sustained 100% Window
250 cd/m²
949 cd/m²
Automatic Brightness Limiting (ABL)
0.001
0.013
Horizontal Viewing Angle
5.3
5.2
Horizontal Viewing Angle Video
Horizontal Chroma Graph
Color Washout From Left
25°
27°
Color Washout From Right
25°
25°
Horizontal Hue Graph
Color Shift From Left
29°
26°
Color Shift From Right
29°
26°
Horizontal Lightness Graph
Brightness Loss From Left
28°
30°
Brightness Loss From Right
27°
28°
Black Level Raise From Left
18°
15°
Black Level Raise From Right
18°
15°
Gamma Shift From Left
17°
14°
Gamma Shift From Right
16°
16°
Vertical Viewing Angle
4.8
4.8
Vertical Viewing Angle Video
Vertical Chroma Graph
Color Washout From Below
23°
27°
Color Washout From Above
26°
27°
Vertical Hue Graph
Color Shift From Below
24°
21°
Color Shift From Above
25°
20°
Vertical Lightness Graph
Brightness Loss From Below
26°
29°
Brightness Loss From Above
28°
29°
Black Level Raise From Below
11°
10°
Black Level Raise From Above
9°
9°
Gamma Shift From Below
13°
12°
Gamma Shift From Above
10°
10°
Gray Uniformity
7.4
7.2
50% Uniformity Picture
50% Std. Dev.
4.109%
2.627%
50% DSE
0.164%
0.198%
Black Uniformity
6.5
7.3
Native Black Uniformity Picture
Native Std. Dev.
1.643%
1.426%
Black Uniformity Picture With Local Dimming
Std. Dev. w/ L.D.
N/A
0.292%
Color Accuracy (Pre-Calibration)
8.2
9.0
Pre Calibration Picture
Pre Gamma Curve Picture
Pre Color Picture
Picture Mode
sRGB
Off (sRGB)
sRGB Gamut Area xy
95.6%
102.3%
White Balance dE (Avg.)
3.05
2.02
Color Temperature (Avg.)
6,664 K
6,487 K
Gamma (Avg.)
2.28
2.31
Color dE (Avg.)
2.95
1.50
Contrast Setting
N/A
N/A
RGB Settings
Default
Default
Gamma Setting
Default
Default
Brightness Setting
34
70
Measured Brightness
107 cd/m²
217 cd/m²
Brightness Locked
No
No
Color Accuracy (Post-Calibration)
8.5
9.6
Post Calibration Picture
Post Gamma Curve Picture
Post Color Picture
Picture Mode
ECO
Off
sRGB Gamut Area xy
90.1%
98.0%
White Balance dE (Avg.)
0.60
0.56
Color Temperature (Avg.)
6,537 K
6,504 K
Gamma (Avg.)
2.19
2.19
Color dE (Avg.)
1.25
0.54
Contrast Setting
50
50
RGB Settings
96-99-92
29-45-42
Gamma Setting
Gamma 3
Gamma 1
Brightness Setting
32
24
Measured Brightness
101 cd/m²
101 cd/m²
SDR Color Gamut
8.2
9.4
sRGB Color Gamut Picture
sRGB Coverage xy
92.2%
98.1%
sRGB Picture Mode
ECO
Off
Adobe RGB Color Gamut Picture
Adobe RGB Coverage xy
77.0%
90.4%
Adobe RGB Picture Mode
ECO
Off
HDR Color Gamut
5.9
8.3
Wide Color Gamut
No
Yes
DCI-P3 Color Gamut Picture
DCI-P3 Coverage xy
75.0%
91.7%
DCI-P3 Picture Mode
HDR On
Display HDR
Rec. 2020 Color Gamut Picture
Rec. 2020 Coverage xy
54.8%
69.6%
Rec. 2020 Picture Mode
HDR On
Display HDR
HDR Color Volume
6.0
8.3
DCI-P3 Color Volume ITP Picture
1,000 cd/m² DCI-P3 Coverage ICtCp
44.0%
80.1%
DCI-P3 Picture Mode
HDR On
Display HDR
Rec. 2020 Color Volume ITP Picture
10,000 cd/m² Rec. 2020 Coverage ICtCp
19.3%
38.6%
Rec. 2020 Picture Mode
HDR On
Display HDR
Text Clarity
7.5
7.5
ClearType On
ClearType Off
Pixel Type
VA
VA
Pixels
Subpixel Layout
RGB
RGB
Reflections
7.3
Average Room
Average Room Off Picture
Bright Room Off Picture
Screen Finish
Matte
Matte
Total Reflections
5.6%
Indirect Reflections
3.3%
Calculated Direct Reflections
2.4%
Direct Reflections
6.4
Ring Light Picture
Direct Reflections Graph
Peak Direct Reflection Intensity
32.3%
Screen Finish
Matte
Matte
Ambient Black Level Raise
8.7
Black Level Raise Picture
Ambient Black Level Raise Graph
Black Luminance @ 0 lx
0.09 cd/m²
Black Luminance @ 1000 lx
0.59 cd/m²
Total Reflected Light
5.7
Bright Room Off Picture
Total Reflection Ring Light Picture
Total Reflected Light Intensity
35,932% ⋅ pixel
Diffraction Artifacts
No
Gradient
9.6
9.7
Gradient Picture
Color Depth
10 Bit
10 Bit
Motion
Refresh Rate
7.6
7.7
Native Refresh Rate
165 Hz
165 Hz
Max Refresh Rate
170 Hz
180 Hz
Max Refresh Rate Over DP
170 Hz
180 Hz
Max Refresh Rate Over HDMI
144 Hz
144 Hz
Max Refresh Rate Over DP @ 10-bit
120 Hz
180 Hz
Max Refresh Rate Over HDMI @ 10-Bit
60 Hz
60 Hz
DSC Toggle
No
DSC Off Max Refresh Rate Over DP
N/A
DSC Off Max Refresh Rate Over HDMI
N/A
Variable Refresh Rate (VRR)
Variable Refresh Rate
Yes
Yes
FreeSync
Yes
Yes
G-SYNC
Compatible (Tested)
Compatible (Tested)
VRR Maximum
170 Hz
180 Hz
VRR Minimum
< 20 Hz
< 20 Hz
VRR Supported Connectors
DisplayPort, HDMI
DisplayPort, HDMI
VRR Motion Performance
6.1
8.8
Pursuit Photo VRR
OD Mode CAD Comparison
Recommended VRR OD Setting
On
Medium
Variable Overdrive Advertised
No
No
Avg. CAD
302
109
Best CAD
281
106
Worst CAD
347
117
Refresh Rate Compliance
6.8
8.5
Fast GTG Sequence
VRR Compliance
Compliance @ Max Hz
44%
65%
Compliance @ 120 FPS
53%
75%
Compliance @ 60 FPS
68%
86%
CAD @ Max Refresh Rate
6.9
8.4
Pursuit Photo At Max Refresh
CAD Heatmap At Max Refresh
OD Transition Max Refresh Rate
OD off
0 to 31
OD medium
0 to 31
Recommended Overdrive Setting
On
Medium
Avg. CAD
204
107
Best 10% CAD
56
29
Worst 10% CAD
442
219
Response Time @ Max Refresh Rate
First Response Time
9.5 ms
4.2 ms
Total Response Time
9.8 ms
4.5 ms
Recommended Overdrive Setting
On
Medium
RGB Overshoot
1 RGB
1 RGB
Worst 10% RGB Overshoot
7 RGB
8 RGB
Worst 10% First Response Time
24.5 ms
10.3 ms
Worst 10% Total Response Time
24.5 ms
10.3 ms
Heatmap First Response
Heatmap Total Response
Heatmap RGB Overshoot
CAD @ 120Hz
6.3
8.5
Pursuit Photo 120Hz
CAD Heatmap 120Hz
OD Transition 120Hz
OD off
0 to 31
OD medium
0 to 31
Recommended Overdrive Setting
On
Medium
Avg. CAD
240
106
Best 10% CAD
63
31
Worst 10% CAD
526
203
Response Time @ 120Hz
Worst 10% First Response Time
24.3 ms
9.4 ms
RGB Overshoot
0 RGB
1 RGB
Total Response Time
11.0 ms
4.4 ms
First Response Time
10.9 ms
3.8 ms
Recommended Overdrive Setting
On
Medium
Worst 10% Total Response Time
24.3 ms
9.9 ms
Worst 10% RGB Overshoot
1 RGB
11 RGB
120Hz First Response Heatmap
120Hz Total Response Heatmap
120Hz Heatmap RGB Overshoot
CAD @ 60Hz
5.7
8.2
Pursuit Photo 60Hz
CAD Heatmap 60Hz
OD Transition 60Hz
OD off
0 to 31
OD medium
0 to 31
Recommended Overdrive Setting
On
Medium
Avg. CAD
285
116
Best 10% CAD
71
29
Worst 10% CAD
570
276
Response Time @ 60Hz
Recommended Overdrive Setting
On
Medium
First Response Time
15.7 ms
3.7 ms
Total Response Time
16.4 ms
5.3 ms
RGB Overshoot
0 RGB
2 RGB
Worst 10% Total Response Time
30.7 ms
17.3 ms
Worst 10% First Response Time
30.7 ms
9.2 ms
Worst 10% RGB Overshoot
5 RGB
16 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
No BFI
Maximum Frequency
170 Hz
N/A
Minimum Frequency
120 Hz
N/A
Longest Pulse Width Brightness
124 cd/m²
N/A
Shortest Pulse Width Brightness
124 cd/m²
N/A
Pulse Width Control
No
No BFI
Pulse Phase Control
No
No BFI
Pulse Amplitude Control
No
No BFI
VRR At The Same Time
No
No BFI
VRR Flicker
3.5
2.0
VRR Flicker Video
VRR Flicker Graph
Dark Gray Flicker
2.5 RGB
6.7 RGB
Middle Gray Flicker
6.3 RGB
5.4 RGB
Light Gray Flicker
6.3 RGB
5.8 RGB
Image Flicker
10
10
Backlight Picture
Flicker-Free
Yes
Yes
PWM Dimming Frequency
0 Hz
>1000 Hz
Inputs
Input Lag
9.0
8.8
Native Resolution @ Max Hz
3.6 ms
4.3 ms
Native Resolution @ 120Hz
4.8 ms
5.1 ms
Native Resolution @ 60Hz
8.9 ms
9.3 ms
Backlight Strobing (BFI)
5.0 ms
N/A
Resolution
7.5
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
PS5 Compatibility
4.9
4.9
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
Xbox Series X|S Compatibility
7.1
7.1
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
Inputs Photos
Inputs 1
Inputs 2
Inputs
Inputs 1
Inputs 2
DisplayPort
1 (DP 1.2)
1 (DP 1.4)
DisplayPort Transmission Bandwidth
No DisplayPort 2.1
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
1
Yes
3.5mm Audio In
No
3.5mm Microphone In
No
Ethernet
No
HDR10
Yes
Yes
Dolby Vision
No
USB
USB-A Ports
0
0
USB-A Rated Speed
No USB-A Ports
No USB-A Ports
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
No
No
HDR10
Yes
Yes
RGB Illumination
No
No
Multiple Input Display
No
No
KVM Switch
No
No
Smart OS
No
On-Screen Display (OSD)
OSD Picture
Check Price
27"
GS27QC
SEE PRICE
Amazon.com27"
Q27G3XMN
SEE PRICE
Amazon.com27"
GS27QC
SEE PRICE
B&H27"
Q27G3XMN
SEE PRICE
Walmart.com27"
GS27QC
SEE PRICE
Walmart.com27"
Q27G3XMN
SEARCH
B&H27"
GS27QC
SEARCH
BestBuy.com27"
Q27G3XMN
SEARCH
BestBuy.com
Gigabyte GS27QC
AOC Q27G3XMN
Comments
Gigabyte GS27QC vs AOC Q27G3XMN: Main Discussion
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