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.
- ASUS C2221HF €6.02
- Eoulyee 22inch €3.10
| Model | ASUS C2221HF | Eoulyee 22inch |
|---|---|---|
| Running cost | ||
| Running cost (per year) | €6.02 | €3.10 |
| over 10 years | €60 +€29 over 10 years | €31 |
| kWh per year | 21.2 | 11 |
| kg CO₂e per year from electricity use | 4.5 | 2.3 |
| Specifications | ||
| Brand | ASUS | Eoulyee |
| Model | C2221HF | 22inch |
| Energy class | C | B |
| Screen size | 22″ (54.6 cm) | 22″ (56 cm) |
| Power in on mode (SDR) | 9.7 W | 5 W |
| Standby | 0.5 W | 0.3 W |
| Off mode | 0.3 W | 0 W |
| Resolution | 1920 × 1080 | 1920 × 1080 |
| Aspect ratio | 16:9 | 16:9 |
| Panel | LED LCD | LCD |
| Refresh rate | 60 Hz | 60 Hz |
| Power supply | Internal | Internal |
| Guaranteed support | 7 years | 5 years |
| Software updates | 8 years | 3 years |
| Spare parts available | 7 years | 2 years |
| On the market since | October 21, 2024 | September 29, 2026 |
| EAN | 4711636765442 | – |
| EPREL registration number | 2841143 | 2864212 |
| Networked standby | – | 0 W |
Rows where the models differ are highlighted.