Compare ROG Strix XG309CM vs ROG Strix XG438QR
Connectivity
Ports
1x HDMI 2.0, 1x DisplayPort 1.2, 1x 3.5 mm Audio Out, 2x USB 3.0 (Type-A; downstream), 1x USB 3.0 (Type-C; upstream; 15W)
3x HDMI 2.0, 1x DisplayPort 1.4, 1x 3.5 mm Audio Out, 1x 3.5 mm Audio In, 2x USB 3.0 (Type-A; downstream), 1x USB 3.0 (Type-B; upstream)
Construction
Adjustment | Height
110 mm / 4.3307 in
N/A
Adjustment | Pivot
N/A
N/A
Adjustment | Swivel
-25° ~ 25°
N/A
Adjustment | Tilt
-5° ~ 20°
-5° ~ 10°
Camera
No
No
Colors
Black
Black
Speakers
2x 2W
2x 10W
VESA Mount
100 x 100 mm
100 x 100 mm
Dimensions
Bezels
88.66% screen-to-body ratio
89.6% screen-to-body ratio
Size | Depth
2.91 in / 73.82 mm w/o stand, 10.43 in / 264.93 mm w/ stand
2.94 in / 74.6 mm w/o stand, 11.87 in / 301.5 mm w/ stand
Size | Height
12.63 in / 320.68 mm w/o stand, 19.14 in / 486.14 mm w/ stand
22.47 in / 570.62 mm w/o stand, 24.85 in / 631.31 mm w/ stand
Size | Width
27.85 in / 707.33 mm
38.37 in / 974.58 mm
Weight
4.56 kg / 10 lbs w/o stand , 7.5 kg / 17 lbs w/ stand
14.2 kg / 31 lbs w/o stand , 15.6 kg / 34 lbs w/ stand
Display
Aspect Ratio
21:9
16:9
Brightness
300 nits
450 nits / 600 nits (peak)
Contrast Ratio
1000:1 (static), 100000000:1 (dynamic)
4000:1 (static)
Display Backlight
W-LED
W-LED
Display Color Depth
8 bits, 16777216 colors
10 bits (8 bits + FRC), 1073741824 colors
Display Diagonal
30" (29.5 in / 749.358 mm)
43" (43 in / 1092.2 mm)
Display Type
IPS, Anti-glare/Matte
AMVA, Anti-glare/Matte (3H), AU Optronics
Gamut
110% sRGB
90% DCI-P3, 125% sRGB, 66% Rec.2020
Pixel Density
94 ppi
103 ppi
Pixel Pitch
0.27 mm
0.245 mm
Refresh Rate
40 Hz ~ 220 Hz
48 Hz ~ 120 Hz
Resolution
UW-FHD (2560x1080)
4K (3840x2160)
Response Time
4 ms (min)
Viewing Angle
178° H / 178° V
178° H / 178° V
Function
HDR
HDR10
HDR10, DisplayHDR 600
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, C-Tick, CB, CCC, CE, CU, ENERGY STAR, ErP, FCC, J-MOSS, RoHS, TÜV Flicker-free, TÜV Low Blue Light, UL/cUL, VCCI, WEEE, WHQL (Windows 10; Windows 8.1; Windows 8; Windows 7)
Operating Humidity
20 % ~ 90 %
Operating Temperature
0 °C ~ 40 °C , 32 °F ~ 104 °F
5 °C ~ 40 °C , 41 °F ~ 104 °F
Variable Framerate
NVIDIA G-SYNC, AMD FreeSync Premium
AMD FreeSync Premium
Video
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, Fast IPS technology, Aura Sync Lighting Effect, Adaptiv...
Asus Display Widget, Aura Sync, Shadow Boost, GameFast Input Technology, GameVisual, Trace Free Technology, GamePlus (Crosshair/Timer/FPS Counter/Display Alignment), Flicker-free technology, Adaptive-Sync technology, HDR Mode, Low Blue Light
Performance
Power Consumption
28 W (average) / 0.5 W (sleep) / 0.3 W (off)
48 W (average) / 0.5 W (sleep) / 0.5 W (off)
Production
Accessory
DisplayPort cable, HDMI cable, USB 3.0 cable, USB Type-C cable
Audio cable, HDMI cable, Remote control, ROG projection, USB 3.0 cable
Debut
2021
2021
Reviews
Neofiliac score
70%
80%
Pros
- 220Hz max refresh rate
- Ultra-wide form factor
- Stand with tilt, swivel, and height adjustments
- High 1000:1 contrast ratio
- Support for NVIDIA G-SYNC
- Build-in speakers included
- HDR10, DisplayHDR 600
- Rich color reproduction
- High 4000:1 contrast ratio
- 10-bit display panel
- Build-in speakers included
Cons
- 8-bit display panel
- Only tilt adjustment
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