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Comparison between Asus ROG Stric XG309CM vs Asus ROG Strix XG279Q

General Info
Model Number Asus ROG Stric XG309CM Asus ROG Strix XG279Q
Price
Type Monitor Monitor
Year 2021 2019
Brand Asus Asus
Model Series ROG Strix
Model Number ROG Stric XG309CM ROG Strix XG279Q
Display
Screen Size Class 30" (inches) 27" (inches)
Diagonal Size 29.5 in
74.9 cm
749.358 mm
2.46 ft
26.96 in
68.5 cm
684.7 mm
2.25 ft
Screen Width 27.18 in
69 cm
690.432 mm
2.27 ft
23.49 in
59.7 cm
596.74 mm
1.96 ft
Screen Height 11.47 in
29.1 cm
291.276 mm
0.96 ft
13.21 in
33.6 cm
335.66 mm
1.1 ft
Display Type IPS IPS
Display Bit Depth 8 bits 8 bits
Frame Rate Control No
Max Number of Colors 16777216 16777216
Bits 24 24
Screen Aspect Ratio 21:9 16:9
Screen Resolution 2560 x 1080 2560 x 1440
Screen Pixel Pitch 0.27 mm 0.233 mm
Screen Pixel Density 94 ppi 109 ppi
Screen-to-Body Ratio 88.66 % 89.33 %
Backlight Source W-LED W-LED
DCI P3 95%
sRGB 110 % 125 %
Screen Brightness 300 cd/m² 400 cd/m²
Static Screen Contrast 1000 : 1 1000 : 1
Dynamic Screen Contrast 100000000 : 1
Screen Horizontal Viewing Angle 178 ° 178 °
Screen Vertical Viewing Angle 178 ° 178 °
Display Minimum Response Time 1 ms
Display Coating Anti-glare/Matte Anti-glare/Matte
HDR HDR10 DisplayHDR 400
3D No No
Size, weight, color
Case Depth 2.91 in
7.4 cm
73.82 mm
0.24 ft
3.23 in
8.2 cm
82 mm
0.27 ft
Case Weight 4.56 kg
10 lbs
4 kg
9 lbs
Case Width with Stand 27.85 in
70.7 cm
707.33 mm
2.32 ft
24.06 in
61.1 cm
611 mm
2 ft
Case Height with Stand 19.14 in
48.6 cm
486.14 mm
1.59 ft
16.22 in
41.2 cm
412 mm
1.35 ft
Case Depth with Stand 10.43 in
26.5 cm
264.93 mm
0.87 ft
10.63 in
27 cm
270 mm
0.89 ft
Case Weight with Stand 7.5 kg
17 lbs
7 kg
15 lbs
Case Color Black Black
Hardware
Built-in Camera No No
Connectivity 1 x HDMI 2.0
1 x DisplayPort 1.2
1 x 3.5 mm Audio Out
2 x USB 3.0 (Type-A; downstream)
1 x USB 3.0 (Type-C; upstream; 15W)
2 x HDMI 2.0
1 x DisplayPort 1.2
1 x 3.5 mm Audio Out
2 x USB 3.0 (downstream)
1 x USB 3.0 (upstream)
Audio
Audio Speakers 2 x 2W 2 x 2W
Features
Cool Features ASUS DisplayWidget
Ultra-Low Blue Light
ASUS Smart Contrast Ratio (ASCR)
KVM Switch
Color Accuracy - △EELMB Sync (Extreme Low Motion Blur Sync)
Flicker-free technology
Trace Free Technology
NVIDIA G-Sync Compatible
Fast IPS technology
Aura Sync Lighting Effect
Adaptive-Sync technology
Shadow Boost
GamePlus (Crosshair/Timer/FPS Counter/Display Alignment/Stopwatch)
AMD FreeSync Premium
GameVisual
Asus FastIPS
Aura Sync
Low Blue Light
Flicker-free technology
GameFast Input technology
Nvidia G-SYNC compatible
HDCP (High-bandwidth Digital Content Protection)
ELMB (Extreme Low Motion Blur)
5-way OSD joystick
Shadow Boost
GamePlus
Adaptive-Sync Technology
GameVisual
Extra Features Anti-theft stand lock slot - Kensington Anti-theft stand lock slot - Kensington
Ergonomics
Case Width 27.85 in
70.7 cm
707.33 mm
2.32 ft
24.06 in
61.1 cm
611 mm
2 ft
Case Height 12.63 in
32.1 cm
320.68 mm
1.05 ft
14.45 in
36.7 cm
367 mm
1.2 ft
Vesa Mount Support Yes Yes
VESA Interface Standard Size 100 x 100 100 x 100
Removable VESA Stand Yes Yes
Height Adjustment Yes Yes
Height Adjustment Range 110 mm
11 cm
4.3307 in
0.3609 ft
120 mm
12 cm
4.7244 in
0.3937 ft
Landscape or Portrait Pivot Support No Yes
Left Pivot 0 °
Right Pivot 90 °
Left or Right Swivel Support Yes Yes
Left Swivel 25 ° 40 °
Right Swivel 25 ° 40 °
Forward and Backward Tilt Support Yes Yes
Forward Tilt 5 ° 5 °
Backward Tilt 20 ° 20 °
Frequency and Interpolation
Vertical Digital Frequency 40 Hz - 220 Hz 23 Hz - 170 Hz
Horizontal Digital Frequency 52 kHz - 264 kHz 23 kHz - 230 kHz
Screen Interpolation Measurement Unit NULL NULL
Accessories
Extras DisplayPort cable
HDMI cable
USB 3.0 cable
USB Type-C cable
DisplayPort cable - optional
HDMI cable - optional
USB cable
Certificates and Standards
Licenses BSMI
CB
CCC
CE
CEL level 1
cTick
CU
eStandby
ENERGY STAR
FCC Class B
J-MOSS
KCC
PSE
RCM
RoHS
TÜV Flicker-free
TÜV Low Blue Light
UL/cUL
VCCI
WEEE
WHQL (Windows 10; Windows 8.1; Windows 7)
BSMI
cCSAus
FCC
CE
CCC
EPA
China RoHS
Win7
Usage and Storage Requirements
Safe Operating Temperature Level 0 °C - 40 °C
32 °F - 104 °F
Internal Storage Temperature -20 °C - 60 °C
-4 °F - 140 °F
Asus ROG Stric XG309CM Asus ROG Strix XG279Q