ASUS XG34WCDMTG
- Monitors
- 34″
- QHD
- OLED
Uses 4% more energy than the average for 34-inch monitors on Wattabill (559 models).
Running cost at a glance
- €20.61 per year
- €206 over 10 years
- 71.2 kWh per year
- 15 kg CO₂e per year from electricity use
Your country and usage
- Electricity at €0.2896 per kWh (household price with taxes, Eurostat 2025-S2).
- 210 g CO₂e per kWh generated in 2023 (European Environment Agency). Counts use only, not manufacturing.
We assume prices stay the same over the years.
Electricity prices in all EU countries
Same size and resolution, cheaper to run
Models on the market with the same screen size and resolution as the ASUS XG34WCDMTG that use at least 5% less energy.
About this model
Text from the manufacturer, via Icecat.
- Ultra-Wide 34" WQHD QD-OLED Curved Screen (3440x1440) with 240Hz Refresh Rate – Delivers immersive gaming with tear-free, ultra-responsive performance
- Smart Google TV with Android 14 – Stream apps, movies, and shows seamlessly
- High-Speed WiFi 6 with NVIDIA GeForce NOW Pre-Installed – Low latency for online gaming, fast downloads, streaming, and instant cloud gaming
- Dolby Vision & Dolby Atmos (5W x 2 Embedded Speakers) – Stunning HDR visuals and immersive cinematic sound without extra speakers
- Immersive Gaming Visuals – VESA DisplayHDR™ 400 True Black, 99% DCI-P3 bring vibrant, lifelike colors and deep contrast
- Extensive Connectivity Options – DisplayPort 1.4, HDMI 2.1 x2, USB Hub, and USB-C with 90W Power Delivery for laptops and peripherals
ROG Strix OLED XG34WCDMTG
The ROG Strix OLED XG34WCDMTG is a 34-inch, 240Hz ultra-wide QD-OLED gaming monitor. With the addition of the Neo Proximity Sensor in the new ROG OLED Care Pro suite, the monitor transitions to a black screen when no user is detected, guarding against burn-in. The monitor also comes with built-in Google TV, giving you instant access to a vast library of streaming apps, movies, and shows. Enjoy your favorite entertainment and games seamlessly — all in one display, no external devices required.
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ROG IMMERSIVE GAMEPLAY
Designed for discerning gamers and professional creators, it offers a resolution of 3440x1440 and 1800R curvature for smooth and immersive gaming visuals.
ASUS OLED CARE PRO
New ASUS OLED Care Pro technology provides a full set of customizable monitor settings to protect the OLED panel and ensure longevity. Plus, it includes the new Neo Proximity Sensor that detects your distance from the monitor and transitions to a black image when you’re away to safeguard the panel from burn-in. All settings can be easily managed via DisplayWidget Center.
Neo Proximity Sensor
The built-in Neo Proximity Sensor precisely detects your distance from the monitor. When you step away, the monitor transitions to a black image to protect against panel burn-in, and instantly restores onscreen content when you return. Detection distance can be customized to suit personal preference, ensuring maximum convenience and protection.
Worry-free OLED Monitor
ROG OLED monitors are engineered to deliver stunning visuals for years to come. An innovative custom heatsink and a unique internal airflow improve cooling and reduce the risk of burn-in.
Uniform brightness
The Uniform Brightness setting can now be adjusted directly from the Google menu. This feature decreases peak brightness to maintain consistent levels for better viewing—even when the size of bright white windows changes—and makes marathon gaming sessions more comfortable for the eyes.
MultiScreen
With this feature, you can enjoy seamless cross-platform entertainment and control multiple devices using a single keyboard and mouse — no KVM switch required — while your phone stays connected and charges at the same time. The new Cross Share app further enhances connectivity, allowing you to effortlessly transfer files, images, and content across devices without system limitations.
SMOOTH AND RESPONSIVE
The XG34WCDMTG features AMD FreeSync Premium Pro technology and NVIDIA® G-SYNC® compatibility, ensuring supersmooth, tear-free visuals with low latency.
ROG GAMING AI TECHNOLOGY
The ROG Gaming AI Assisant technology in XG34WCDMTG includes Dynamic Crosshair and Dynamic Shadow Boost, leveraging AI technology to help you practice more effectively to improve your gaming experience.
PLAY IN ULTRAVIVID HDR
Experience breathtaking HDR visuals with Dolby Vision and rich, room-filling audio from Dolby Atmos through the powerful built-in 5W speakers — delivering true cinematic immersion without the need for external speakers.
Ergonomic stand
The specially designed stand offers tilt, swivel, and height adjustments for the ideal viewing position. The display is also VESA wall-mount-compatible.
Specifications
| Brand | ASUS |
|---|---|
| Model | XG34WCDMTG |
| Energy class | G |
| Screen size | 34″ (86.4 cm) |
| Power in on mode (SDR) | 32.5 W |
| Energy class (HDR) | G |
| Power in on mode (HDR) | 50 W |
| Standby | 0.5 W |
| Off mode | 0.3 W |
| Resolution | 3440 × 1440 |
| Aspect ratio | 21:9 |
| Panel | OLED |
| Refresh rate | 60 Hz |
| Power supply | Internal |
| Guaranteed support | 7 years |
| Software updates | 8 years |
| Spare parts available | 7 years |
| On the market since | October 15, 2025 |
| EPREL registration number | 2462889 |
Source: EPREL, European Commission. Data updated October 13, 2026.
Product description and images: Icecat (Open Icecat), provided as is, without warranty.