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Comparison between LG UltraGear 34GK950F vs Asus ROG Stric XG309CM

General Info
Model Number LG UltraGear 34GK950F Asus ROG Stric XG309CM
Price
Type Monitor Monitor
Year 2018 2021
Brand LG Asus
Model Series ROG Strix
Model Number UltraGear 34GK950F 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 31.49 in
80 cm
799.8 mm
2.62 ft
27.18 in
69 cm
690.432 mm
2.27 ft
Screen Height 13.18 in
33.5 cm
334.8 mm
1.1 ft
11.47 in
29.1 cm
291.276 mm
0.96 ft
Display Curvature 1900
Display Manufacturer LG Display
Display Type AH-IPS IPS
Display Bit Depth 10 bits (8 bits + FRC) 8 bits
Frame Rate Control Yes No
Max Number of Colors 1073741824 16777216
Bits 30 24
Screen Aspect Ratio 21:9 21:9
Screen Resolution 3440 x 1440 2560 x 1080
Screen Pixel Pitch 0.233 mm 0.27 mm
Screen Pixel Density 109 ppi 94 ppi
Screen-to-Body Ratio 89.98 % 88.66 %
Backlight Source KSF LED (W-LED with KSF phosphor layer) W-LED
DCI P3 98%
sRGB 135 % 110 %
Adobe RGB 1998 70 %
Screen Brightness 400 cd/m² 300 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 °
Screen Input Lag 14 ms
Display Minimum Response Time 5 ms
Display Average Response Time 14 ms
Display Coating Anti-glare/Matte (3H) Anti-glare/Matte
HDR DisplayHDR 400 HDR10
3D No No
Size, weight, color
Case Depth 4.09 in
10.4 cm
104 mm
0.34 ft
2.91 in
7.4 cm
73.82 mm
0.24 ft
Case Weight 6.1 kg
13 lbs
4.56 kg
10 lbs
Case Width with Stand 32.26 in
81.9 cm
819.4 mm
2.69 ft
27.85 in
70.7 cm
707.33 mm
2.32 ft
Case Height with Stand 18.21 in
46.3 cm
462.6 mm
1.52 ft
19.14 in
48.6 cm
486.14 mm
1.59 ft
Case Depth with Stand 11.28 in
28.7 cm
286.5 mm
0.94 ft
10.43 in
26.5 cm
264.93 mm
0.87 ft
Case Weight with Stand 7.9 kg
17 lbs
7.5 kg
17 lbs
Case Color Black Black
Hardware
Built-in Camera No No
Connectivity 2 x HDMI 2.0
1 x DisplayPort 1.4
1 x 3.5 mm Audio Out
2 x USB 3.0 (downstream)
1 x USB 3.0 (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 Stabilizer
DDC/CI
Flicker-free technology
Nano IPS
HDCP (High-bandwidth Digital Content Protection) 2.2
Dynamic Action Sync
6-Axis Control
Wide Color Gamut
AMD FreeSync 2 technology
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 Anti-theft stand lock slot - Kensington
Ergonomics
Case Width 32.26 in
81.9 cm
819.4 mm
2.69 ft
27.85 in
70.7 cm
707.33 mm
2.32 ft
Case Height 14.3 in
36.3 cm
363.2 mm
1.19 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 110 mm
11 cm
4.3307 in
0.3609 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 20 ° 25 °
Right Swivel 20 ° 25 °
Forward and Backward Tilt Support Yes Yes
Forward Tilt 5 ° 5 °
Backward Tilt 15 ° 20 °
Frequency and Interpolation
Vertical Digital Frequency 55 Hz - 144 Hz 40 Hz - 220 Hz
Horizontal Digital Frequency 52 kHz - 264 kHz
Screen Interpolation Measurement Unit NULL
Accessories
Extras DisplayPort cable
HDMI cable
USB 3.0 cable
USB Type-C cable
Certificates and Standards
Licenses BSMI
CCC
CE
cTick
ENERGY STAR 7.0
ErP
FCC Class B
UL/cUL
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 % - 80 %
Internal Storage Temperature -20 °C - 60 °C
-4 °F - 140 °F
-20 °C - 60 °C
-4 °F - 140 °F
Internal Storage Humidity 5 % - 85 %
LG UltraGear 34GK950F Asus ROG Stric XG309CM