RATED
Excellent
9.2/10
34.18″ Asus ROG Strix OLED XG34WCDMTG – Specs & Features
The ASUS ROG Strix OLED XG34WCDMTG is a 3440 x 1440 pixels QD-OLED monitor rated for a 48 Hz - 240 Hz refresh range.
Asus●Monitor
Display
34.18 in, QD-OLED, 3440 x 1440 pixels
34.18
Refresh Rate
48 Hz - 240 Hz
48 Hz
Brightness
250 cd/m²
250 cd
Contrast Ratio
1500000 : 1
1500000
Pros & Cons
Pros
- 48 Hz 240 Hz refresh range with 0.03 ms GtG response is built for competitive, fast-paced gaming
- 1500000 : 1 contrast delivers near-infinite black depth
- FreeSync, G-Sync, VESA AdaptiveSync Display 240Hz give broad adaptive-sync compatibility
- 99 % DCI-P3 coverage wide-gamut coverage suits colour-critical work
- Built-in USB hub adds convenient peripheral connectivity
Cons
- No energy-efficiency certification (e.g. ENERGY STAR, TCO) is listed
- HDCP support isn’t explicitly confirmed for protected 4K/HDR streaming
- No factory or hardware colour calibration is listed
Score & Ratings
9.2/10
Great
Model Information
13
| Specification | Value |
|---|---|
| Brand | ASUS |
| Series | ROG Strix |
| Model | ROG Strix OLED XG34WCDMTG |
| Full Product Name | ASUS ROG Strix OLED XG34WCDMTG |
| Model Year | 2025 |
| Monitor Type | Gaming Monitor |
| Market Position | Upper-Mid to High-End Gaming |
| Primary Use | Competitive & Immersive Gaming |
| Launch Status | 2025 |
| Available Colors | Black |
| Warranty | 3 years (36 months) standard limited warranty from date of purchase |
| Panel Warranty | 3 years |
| Burn-In Warranty | 3 years (36 months) OLED panel burn-in coverage on most models |
Display & Panel
16
| Specification | Value |
|---|---|
| Screen Size | 34.18 in |
| Exact Diagonal | 868.162 mm (34.18 in) |
| Radius of Curvature | 1800 mm (70.87 in) |
| Aspect Ratio | 2.389:1 |
| Active Display Width | 800.06 mm (31.50 in) |
| Active Display Height | 337.06 mm (13.27 in) |
| Display Area | 92.9 % (percent) |
| Panel Type | QD-OLED (Samsung) |
| Panel Technology | OLED |
| Panel Manufacturer | Samsung |
| OLED Technology | QD-OLED |
| Backlight Type | Self-emissive (no backlight — OLED) |
| Self-Emissive Display | Yes |
| Quantum Dot | Yes |
| 3D Support | No |
| Screen Coating | Anti-glare / Matte |
34.2" Display Size (86.8 cm) 21:9
Resolution & Pixel Details
3
| Specification | Value |
|---|---|
| Native Resolution | 3440 x 1440 pixels |
| Pixel Density | 109 ppi / 42 ppcm |
| Pixel Pitch | 0.232 mm (millimeters) |
Resolution at a Glance
Picture Quality & Color
14
| Specification | Value |
|---|---|
| Panel Bit Depth | 10 bits |
| FRC | No |
| Display Colors | 1073741824 colors / 30 bits |
| Typical Brightness | 250 cd/m² |
| Peak Brightness | 1000 cd/m² |
| Static Contrast Ratio | 1500000 : 1 |
| Horizontal Viewing Angle | 178 ° |
| Vertical Viewing Angle | 178 ° |
| HDR Support | Dolby VisionHDR10 |
| HDR10 | Yes |
| Dolby Vision | Yes |
| Global Dimming | Yes |
| DCI-P3 Coverage | 99% |
| Color Adjustment | Yes |
DESK DISTANCE FIT
65cm
CompactIdeal FitWideUltra-Wide
Fills more of your view — great for productivity, may need slight head turns toward the edges.
Refresh Rate, Response & Gaming
14
| Specification | Value |
|---|---|
| Native Refresh Rate | 240 Hz |
| Refresh Rate Range | 48 Hz - 240 Hz |
| Minimum Response Time | 0.03 ms |
| Adaptive-Sync | AMD FreeSync Premium ProNVIDIA G-Sync CompatibleVESA AdaptiveSync Display 240Hz |
| AMD FreeSync | Premium Pro |
| NVIDIA G-Sync | Compatible |
| Motion Blur Reduction | ELMB |
| Shadow Boost | Yes |
| Crosshair | Yes |
| Dynamic Crosshair | Yes |
| AI Gaming Features | Yes |
| GameFast Input | Yes |
| GameVisual | Yes |
| Picture-by-Picture | Yes |
Ports & Connectivity
13
| Specification | Value |
|---|---|
| HDMI Ports | 2 |
| HDMI Version | 2.1 |
| DisplayPort Input | 1 |
| DisplayPort Version | 1.4 |
| USB-C Video Input | Yes |
| DisplayPort Alt Mode | Yes |
| Display Stream Compression | Yes |
| USB-C Data Speed | 5 Gbps (USB 3.2 Gen 1) |
| USB-C Power Delivery | 90W |
| USB-A Ports | 2 |
| KVM Switch | Yes |
| Audio Output | 3.5 mm |
| Headphone Output | 3.5 mm Audio Out |
Ports & Connections
Audio, Camera, Network & Smart Features
5
| Specification | Value |
|---|---|
| Built-In Speakers | 2 x 5 W / Dolby Atmos |
| Built-In Camera | No |
| Operating System | Google TV (Android 14) |
| LAN | Wi-Fi / 802.11a (IEEE 802.11a-1999) / 802.11b (IEEE 802.11b-1999) / 802.11g (IEEE 802.11g-2003) / 802.11n (IEEE 802.11n-2009) / 802.11n 5GHz / 802.11ac (IEEE 802.11ac) / 802.11ax (IEEE 802.11ax, Wi-Fi 6) / Wi-Fi Direct |
| Multi-View | Yes |
Ergonomics & Stand
14
| Specification | Value |
|---|---|
| VESA Mount | 100 x 100 mm |
| VESA Size | 100 x 100 mm |
| Removable Stand | Yes |
| Height Adjustment | 110 mm |
| Height Adjustment Range | 110 mm (4.33 in) |
| Tilt Adjustment | Yes |
| Forward Tilt | 5 ° |
| Backward Tilt | 20 ° / 1 / 4" Tripod Socket |
| Swivel Adjustment | Yes |
| Left Swivel | 25 ° |
| Right Swivel | 25 ° |
| Portrait Mode | No |
| Security Lock | Yes |
| Anti-Theft Lock | Kensington Lock |
Dimensions, Weight & Design
6
| Specification | Value |
|---|---|
| Dimensions With Stand | 811.7 mm x 435.2 mm x 199.2 mm (W x H x D) |
| Dimensions Without Stand | 811.7 mm x 357.6 mm x 108.4 mm (W x H x D) |
| Weight With Stand | 8.8 kg (19.4 lbs) |
| Weight Without Stand | 6.2 kg (13.67 lbs) |
| Stand Depth | 199 mm (7.83 in) |
| RGB Lighting | Yes |
Power & Operating Conditions
13
| Specification | Value |
|---|---|
| Power Input | 100–240V |
| 110V Input Range | 100 V - 120 V |
| 220V Input Range | 220 V - 240 V |
| AC Frequency | 50 Hz - 60 Hz |
| Average Power Consumption | 41.5 W |
| Sleep Consumption | 0.5 W |
| Off Consumption | 0.3 W |
| Operating Temperature | 0 °C - 40 °C / 32 °F - 104 °F |
| Operating Humidity | 20 % - 80 % |
| Operating Altitude | 3658 m / 12001.3 ft |
| Storage Temperature | -20 °C - 60 °C / -4 °F - 140 °F |
| Storage Humidity | 20 % - 80 % |
| Storage Altitude | 12192 m / 40000 ft |
Eye Care, Protection & Additional Features
17
| Specification | Value |
|---|---|
| Flicker-Free | Yes |
| Low Blue Light | Yes |
| Proximity Sensor | Yes |
| OLED Protection | Yes |
| OLED Care | Yes |
| Pixel Refresh | Yes |
| Static Logo Detection | Yes |
| Screen Saver | Yes |
| Burn-In Protection | Yes (ASUS OLED Care / OLED Care Pro) |
| Thermal Management | Yes |
| Custom Heatsink | Yes |
| Desktop Control Software | Yes |
| Monitor Management Software | Yes |
| Screen Split | Yes |
| Aura Sync | Yes |
| Anti-Theft Slot | Yes (Kensington lock slot) |
| Additional Monitor Features | A.I. Assistant Technology; Aspect Ratio Control; Asus DisplayWidget Center; Asus Power Sync; Asus Virtual Screen; Aura Sync Lighting Effect; Boundary Detection; Custom Heatsink; GameFast Input; GamePlus; GameVisual; Global Dimming Control; Logo Brightness Adjustment; Motion Sync; MultiScreen with Cross Share app; Neo Proximity Sensor; NVIDIA GeForce NOW Pre-Installed; Outer Dimming Control; Pixel Cleaning; ROG Gaming A.I technology; Screen Move; Screen Saver; Target Mode; Taskbar Detection; Trace Free Technology; Uniform Brightness |
Certifications, Standards & Licenses
4
| Specification | Value |
|---|---|
| TÜV Flicker-Free | Yes |
| TÜV Low Blue Light | Yes |
| VESA DisplayHDR | Display / HDR 400 True Black |
| VESA AdaptiveSync | Display 240Hz |
Included Accessories
2
| Specification | Value |
|---|---|
| HDMI Cable | HDMI cable |
| DisplayPort Cable | DisplayPort cable |
Packaging Information
5
| Specification | Value |
|---|---|
| Package Dimensions | 930 mm x 515 mm x 224 mm (W x H x D) |
| Package Width | 930 mm (36.61 in) |
| Package Height | 515 mm (20.28 in) |
| Package Depth | 224 mm (8.82 in) |
| Package Weight | 11.9 kg (26.24 lbs) |
⚡
Estimated Running Cost
Based on this product's rated power draw, not an independent lab measurement — actual usage varies with settings and content.
Daily—
Monthly—
Annually—
Uses about 54% less power than the average we track in this category.
Reviews
DISPLAYINPUT · INDEPENDENT · SPEC-BASED · NO SPONSORED PLACEMENT
SHEET № ROG STRIX OLED XG34WCDMTG