AOC U27G4R
- Monitors
- 27″
- 4K
- LCD / LED
Uses 12% more energy than the average for 27-inch monitors on Wattabill (3150 models).
Running cost at a glance
- €15.86 per year
- €159 over 10 years
- 54.8 kWh per year
- 11 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 AOC U27G4R that use at least 5% less energy.
About this model
Text from the manufacturer, via Icecat.
Dominate your gaming experience with the U27G4R Dual-Frame Monitor, a cutting-edge display offering ultimate flexibility between UHD at 160Hz and FHD at 320Hz.
Meet the U27G4R Dual-Frame Monitor, featuring the ability to switch between UHD@160Hz and FHD@320Hz resolutions and refresh rates for ultimate versatility in gaming and content creation. With a Fast IPS panel, 1ms GtG, and 0.5ms MPRT, enjoy ultra-responsive performance and vibrant visuals. HDR400 and G-Sync Compatible ensure smooth, tear-free action, while HDMI 2.1 provides superior connectivity. The ergonomic eSports base design offers comfort during long sessions, making the U27G4R perfect for seamless multitasking and immersive gaming.
Specifications
| Brand | AOC |
|---|---|
| Model | U27G4R |
| Energy class | F |
| Screen size | 27″ (68.4 cm) |
| Power in on mode (SDR) | 25 W |
| Energy class (HDR) | G |
| Power in on mode (HDR) | 50 W |
| Standby | 0.5 W |
| Off mode | 0.3 W |
| Resolution | 3840 × 2160 |
| Aspect ratio | 16:9 |
| Panel | LED LCD |
| Refresh rate | 60 Hz |
| Power supply | Internal |
| Guaranteed support | 8 years |
| Software updates | 8 years |
| Spare parts available | 7 years |
| On the market since | March 12, 2025 |
| EPREL registration number | 2255880 |
Source: EPREL, European Commission. Data updated October 13, 2026.
Product description and images: Icecat (Open Icecat), provided as is, without warranty.