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.
- ViewSonic VS21039(VG1457) €8.68
- Dell P1425 €3.35
- ASUS MQ149CD €5.77
| Model | ViewSonic VS21039(VG1457) | Dell P1425 | ASUS MQ149CD |
|---|---|---|---|
| Running cost | |||
| Running cost (per year) | €8.68 | €3.35 | €5.77 |
| over 10 years | €87 +€53 over 10 years | €33 | €58 +€24 over 10 years |
| kWh per year | 30.7 | 11.8 | 20.4 |
| kg CO₂e per year from electricity use | 6.4 | 2.5 | 4.3 |
| Specifications | |||
| Brand | ViewSonic | Dell | ASUS |
| Model | VS21039(VG1457) | P1425 | MQ149CD |
| Energy class | E | B | C |
| Screen size | 14″ (35.6 cm) | 14″ (35.6 cm) | 14″ (35.6 cm) |
| Power in on mode (SDR) | 14 W | 5.4 W | 9.3 W |
| Standby | 0.5 W | 0.3 W | 0.3 W |
| Networked standby | 0 W | – | – |
| Off mode | 0.3 W | 0.3 W | 0.2 W |
| Resolution | 1920 × 1200 | 1920 × 1200 | 1920 × 1200 |
| Aspect ratio | 16:9 | 16:10 | 16:10 |
| Panel | LED LCD | LED LCD | OLED |
| Refresh rate | 60 Hz | 60 Hz | 60 Hz |
| Power supply | External | STANDARD EXTERNAL | External |
| Guaranteed support | 7 years | 7 years | 7 years |
| Software updates | 8 years | 8 years | 8 years |
| Spare parts available | 7 years | 7 years | 7 years |
| On the market since | October 20, 2026 | February 25, 2025 | January 6, 2025 |
| EPREL registration number | 2879929 | 2169254 | 2224648 |
| Energy class (HDR) | – | – | C |
| Power in on mode (HDR) | – | – | 9.4 W |
Rows where the models differ are highlighted.