Compare models
4 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
Yearly running cost
Bars in proportion to the energy each model uses.
- Aopen DT22VW2-O €10.05
- Nilox NXM22FHD11 €5.40
- ASUS VP229HF €6.02
- Lenovo S22-4e(D25215FS0) €6.08
| Model | Aopen DT22VW2-O | Nilox NXM22FHD11 | ASUS VP229HF | Lenovo S22-4e(D25215FS0) |
|---|---|---|---|---|
| Running cost | ||||
| Running cost (per year) | €10.05 | €5.40 | €6.02 | €6.08 |
| over 10 years | €100 +€47 over 10 years | €54 | €60 +€6 over 10 years | €61 +€7 over 10 years |
| kWh per year | 35.5 | 19.1 | 21.2 | 21.5 |
| kg CO₂e per year from electricity use | 7.5 | 4 | 4.5 | 4.5 |
| Specifications | ||||
| Brand | Aopen | Nilox | ASUS | Lenovo |
| Model | DT22VW2-O | NXM22FHD11 | VP229HF | S22-4e(D25215FS0) |
| Energy class | E | F | C | C |
| Screen size | 22″ (601.9 cm) | 22″ (55.8 cm) | 22″ (54.6 cm) | 22″ (54.6 cm) |
| Power in on mode (SDR) | 16.2 W | 8.7 W | 9.7 W | 9.8 W |
| Energy class (HDR) | E | – | – | – |
| Power in on mode (HDR) | 16.3 W | – | – | – |
| Standby | 0 W | 0.3 W | 0.5 W | 0.5 W |
| Networked standby | 0 W | 0.3 W | – | 0 W |
| Off mode | 0.1 W | – | 0.3 W | 0.3 W |
| Resolution | 1920 × 1080 | 1920 × 1080 | 1920 × 1080 | 1920 × 1080 |
| Aspect ratio | 16:9 | 16:9 | 16:9 | 16:9 |
| Panel | TFT LCD | LED LCD | LED LCD | LED LCD |
| Refresh rate | 60 Hz | 60 Hz | 60 Hz | 60 Hz |
| Power supply | External | Internal | Internal | Internal |
| On the market since | February 27, 2025 | September 19, 2023 | September 23, 2024 | June 20, 2025 |
| EPREL registration number | 2275702 | 1680445 | 2110997 | 2349786 |
| Guaranteed support | – | – | 7 years | 7 years |
| Software updates | – | – | 8 years | 8 years |
| Spare parts available | – | – | 7 years | 7 years |
| EAN | – | – | – | 0198158439466 |
Rows where the models differ are highlighted.