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.
- Acer X38 S €26.67
- Dell U3824DW €21.58
| Model | Acer X38 S | Dell U3824DW |
|---|---|---|
| Running cost | ||
| Running cost (per year) | €26.67 | €21.58 |
| over 10 years | €267 +€51 over 10 years | €216 |
| kWh per year | 94.2 | 76.2 |
| kg CO₂e per year from electricity use | 20 | 16 |
| Specifications | ||
| Brand | Acer | Dell |
| Model | X38 S | U3824DW |
| Energy class | G | F |
| Screen size | 38″ (95.3 cm) | 38″ (95.3 cm) |
| Power in on mode (SDR) | 43 W | 34.8 W |
| Energy class (HDR) | G | – |
| Power in on mode (HDR) | 75 W | – |
| Standby | 0.5 W | 0.4 W |
| Off mode | 0.3 W | 0.3 W |
| Resolution | 3840 × 1600 | 3840 × 1600 |
| Aspect ratio | 21:9 | 21:9 |
| Panel | LED LCD | LED LCD |
| Refresh rate | 60 Hz | 60 Hz |
| Power supply | STANDARD EXTERNAL | Internal |
| Guaranteed support | 7 years | 7 years |
| Software updates | 8 years | 8 years |
| Spare parts available | 7 years | 7 years |
| On the market since | November 5, 2021 | June 22, 2023 |
| EPREL registration number | 819221 | 1361189 |
| Networked standby | – | 0.9 W |
Rows where the models differ are highlighted.