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.
- Dell P3426WEB €16.75
- AOC CU34E4CW €12.40
| Model | Dell P3426WEB | AOC CU34E4CW |
|---|---|---|
| Running cost | ||
| Running cost (per year) | €16.75 | €12.40 |
| over 10 years | €167 +€43 over 10 years | €124 |
| kWh per year | 59.1 | 43.8 |
| kg CO₂e per year from electricity use | 12 | 9.2 |
| Specifications | ||
| Brand | Dell | AOC |
| Model | P3426WEB | CU34E4CW |
| Energy class | F | D |
| Screen size | 34″ (86.7 cm) | 34″ (86.4 cm) |
| Power in on mode (SDR) | 27 W | 20 W |
| Standby | 0.5 W | 0.5 W |
| Networked standby | 1 W | 2 W |
| Off mode | 0.3 W | 0.3 W |
| Resolution | 3440 × 1440 | 3440 × 1440 |
| Aspect ratio | 21:9 | 21:9 |
| Panel | LED LCD | LED LCD |
| Refresh rate | 60 Hz | 60 Hz |
| Power supply | Internal | Internal |
| Guaranteed support | 7 years | 8 years |
| Software updates | 8 years | 8 years |
| Spare parts available | 7 years | 7 years |
| On the market since | March 3, 2026 | October 15, 2025 |
| EPREL registration number | 2513620 | 2418682 |
| Energy class (HDR) | – | G |
| Power in on mode (HDR) | – | 46 W |
Rows where the models differ are highlighted.