Premium subscription

Limited offer: $9.99 FREE

Subscription benefits:

  • Receive exclusive deals
  • Receive promo codes for monitors and TVs
  • Be the first to read our premium content

As Amazon associates we earn from qualifying purchases.

Comparison between AOC U34G3XM vs Asus ROG Stric XG309CM

General Info
Model Number AOC U34G3XM Asus ROG Stric XG309CM
Price
Type Monitor Monitor
Year 2022 2021
Brand AOC Asus
Model Series ROG Strix
Model Number U34G3XM ROG Stric XG309CM
Display
Screen Size Class 34" (inches) 30" (inches)
Diagonal Size 34 in
86.4 cm
863.6 mm
2.83 ft
29.5 in
74.9 cm
749.358 mm
2.46 ft
Screen Width 31.39 in
79.7 cm
797.2 mm
2.62 ft
27.18 in
69 cm
690.432 mm
2.27 ft
Screen Height 13.14 in
33.4 cm
333.72 mm
1.09 ft
11.47 in
29.1 cm
291.276 mm
0.96 ft
Display Type VA IPS
Display Bit Depth 8 bits 8 bits
Frame Rate Control No No
Max Number of Colors 16777216 16777216
Bits 24 24
Screen Aspect Ratio 21:9 21:9
Screen Resolution 3440 x 1440 2560 x 1080
Screen Pixel Pitch 0.232 mm 0.27 mm
Screen Pixel Density 109 ppi 94 ppi
Screen-to-Body Ratio 87.8 % 88.66 %
Backlight Source W-LED W-LED
DCI P3 95%
sRGB 121 % 110 %
NTSC 1953 104 %
Screen Brightness 300 cd/m² 300 cd/m²
Static Screen Contrast 4000 : 1 1000 : 1
Dynamic Screen Contrast 80000000 : 1 100000000 : 1
Screen Horizontal Viewing Angle 178 ° 178 °
Screen Vertical Viewing Angle 178 ° 178 °
Display Coating Anti-glare/Matte (3H) Anti-glare/Matte
HDR HDR10 HDR10
3D No No
Size, weight, color
Case Depth 2.19 in
5.6 cm
55.7 mm
0.18 ft
2.91 in
7.4 cm
73.82 mm
0.24 ft
Case Weight 6.48 kg
14 lbs
4.56 kg
10 lbs
Case Width with Stand 32.18 in
81.7 cm
817.4 mm
2.68 ft
27.85 in
70.7 cm
707.33 mm
2.32 ft
Case Height with Stand 15.72 in
39.9 cm
399.4 mm
1.31 ft
19.14 in
48.6 cm
486.14 mm
1.59 ft
Case Depth with Stand 13.37 in
34 cm
339.6 mm
1.11 ft
10.43 in
26.5 cm
264.93 mm
0.87 ft
Case Weight with Stand 8.14 kg
18 lbs
7.5 kg
17 lbs
Case Color Black Red Black
Hardware
Built-in Camera No No
Connectivity 2 x HDMI 2.0
2 x DisplayPort 1.4
1 x 3.5 mm Audio Out
4 x USB 3.2 (Type-A; Gen 1; downstream)
1 x USB 3.2 (Type-B; Gen 1; upstream)
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)
Audio
Audio Speakers 2 x 2W
Features
Cool Features Black Equalizer
DDC2B/CI
Low Blue Light
Picture-by-Picture
Motion Blur Reduction technology
Flicker-free technology
Adaptive-Sync technology
Picture-in-Picture
AMD FreeSync Premium
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
Extra Features Anti-theft stand lock slot - Kensington
Ergonomics
Case Width 32.18 in
81.7 cm
817.4 mm
2.68 ft
27.85 in
70.7 cm
707.33 mm
2.32 ft
Case Height 14.59 in
37.1 cm
370.7 mm
1.22 ft
12.63 in
32.1 cm
320.68 mm
1.05 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 130 mm
13 cm
5.1181 in
0.4265 ft
110 mm
11 cm
4.3307 in
0.3609 ft
Landscape or Portrait Pivot Support No No
Left or Right Swivel Support Yes Yes
Left Swivel 23 ° 25 °
Right Swivel 23 ° 25 °
Forward and Backward Tilt Support Yes Yes
Forward Tilt 5 ° 5 °
Backward Tilt 23 ° 20 °
Frequency and Interpolation
Vertical Digital Frequency 48 Hz - 144 Hz 40 Hz - 220 Hz
Horizontal Digital Frequency 30 kHz - 220 kHz 52 kHz - 264 kHz
Screen Interpolation Measurement Unit NULL NULL
Accessories
Extras DisplayPort cable
USB Type-B cable
DisplayPort cable
HDMI cable
USB 3.0 cable
USB Type-C cable
Certificates and Standards
Licenses CCC
CE
CEL
CH RoHS
FCC
Win 10
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)
Usage and Storage Requirements
Safe Operating Temperature Level 0 °C - 40 °C
32 °F - 104 °F
0 °C - 40 °C
32 °F - 104 °F
Safe Operating Humidity Level 10 % - 85 %
Internal Storage Temperature -20 °C - 60 °C
-4 °F - 140 °F
-20 °C - 60 °C
-4 °F - 140 °F
Internal Storage Humidity 5 % - 90 %
Max Operating Altitude 3657.6
Max Storage Altitude 12192
AOC U34G3XM Asus ROG Stric XG309CM