Compare models
2 monitors side by side.
- Electricity at €0.2832 per kWh (household price with taxes, Eurostat 2026-S1).
- 210 g CO₂e per kWh generated in 2023 (European Environment Agency). Counts use only, not manufacturing.
Electricity prices in all EU countries
- Cheapest to run
- Add a model Use the Compare buttons on any of the monitors.
Yearly running cost
Bars in proportion to the energy each model uses.
- Agex A27I4K-White €13.95
- AOC U27E3UF €13.02
| Model | Agex A27I4K-White | AOC U27E3UF |
|---|---|---|
| Running cost | ||
| Running cost (per year) | €13.95 | €13.02 |
| over 10 years | €140 +€9 over 10 years | €130 |
| kWh per year | 49.3 | 46 |
| kg CO₂e per year from electricity use | 10 | 9.7 |
| Specifications | ||
| Brand | Agex | AOC |
| Model | A27I4K-White | U27E3UF |
| Energy class | E | E |
| Screen size | 27″ (68.6 cm) | 27″ (68.5 cm) |
| Power in on mode (SDR) | 22.5 W | 21 W |
| Energy class (HDR) | F | F |
| Power in on mode (HDR) | 25.6 W | 22 W |
| Standby | 0.2 W | 0.5 W |
| Resolution | 3840 × 2160 | 3840 × 2160 |
| Aspect ratio | 16:9 | 16:9 |
| Panel | LCD | LED LCD |
| Refresh rate | 60 Hz | 60 Hz |
| Power supply | External | Internal |
| Guaranteed support | 3 years | 8 years |
| Software updates | 3 years | 8 years |
| Spare parts available | 3 years | 7 years |
| On the market since | August 15, 2025 | May 24, 2024 |
| EPREL registration number | 2445251 | 2008597 |
| Off mode | – | 0.3 W |
Rows where the models differ are highlighted.