Compare models
3 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.
- Dell E2225H €7.38
- Zeuslap Z21Lite €6.02
- Shenzhen Kenowa HD-215 €6.39
| Model | Dell E2225H | Zeuslap Z21Lite | Shenzhen Kenowa HD-215 |
|---|---|---|---|
| Running cost | |||
| Running cost (per year) | €7.38 | €6.02 | €6.39 |
| over 10 years | €74 +€14 over 10 years | €60 | €64 +€4 over 10 years |
| kWh per year | 26.1 | 21.2 | 22.6 |
| kg CO₂e per year from electricity use | 5.5 | 4.5 | 4.7 |
| Specifications | |||
| Brand | Dell | Zeuslap | Shenzhen Kenowa |
| Model | E2225H | Z21Lite | HD-215 |
| Energy class | D | C | C |
| Screen size | 21″ (54.5 cm) | 21″ (54.6 cm) | 21″ (54.6 cm) |
| Power in on mode (SDR) | 11.9 W | 9.7 W | 10.3 W |
| Standby | 0.3 W | 0.4 W | 0.4 W |
| Off mode | 0.3 W | 0.3 W | 0.2 W |
| Resolution | 1920 × 1080 | 1920 × 1080 | 1920 × 1080 |
| Aspect ratio | 16:9 | 16:9 | 16:9 |
| Panel | LED LCD | LCD | LCD |
| Refresh rate | 60 Hz | 100 Hz | 60 Hz |
| Power supply | Internal | External | External |
| Guaranteed support | 7 years | 1 year | 1 year |
| Software updates | 8 years | 1 year | 1 year |
| Spare parts available | 7 years | 1 year | 1 year |
| On the market since | August 20, 2024 | April 14, 2026 | July 18, 2024 |
| EPREL registration number | 1996142 | 2692426 | 2083504 |
| Networked standby | – | 0 W | – |
Rows where the models differ are highlighted.