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.
- Dahua DHI-LDH50-LAI400L €46.52
- Dahua DHI-LM50-F400N €40.56
- UNV MW3250-F-V4 €36.41
| Model | Dahua DHI-LDH50-LAI400L | Dahua DHI-LM50-F400N | UNV MW3250-F-V4 |
|---|---|---|---|
| Running cost | |||
| Running cost (per year) | €46.52 | €40.56 | €36.41 |
| over 10 years | €465 +€101 over 10 years | €406 +€42 over 10 years | €364 |
| kWh per year | 164 | 143 | 129 |
| kg CO₂e per year from electricity use | 34 | 30 | 27 |
| Specifications | |||
| Brand | Dahua | Dahua | UNV |
| Model | DHI-LDH50-LAI400L | DHI-LM50-F400N | MW3250-F-V4 |
| Energy class | G | F | F |
| Screen size | 50″ (125 cm) | 50″ (125.7 cm) | 50″ (125.7 cm) |
| Power in on mode (SDR) | 75 W | 65.4 W | 58.7 W |
| Standby | 0.4 W | 0.5 W | 0.3 W |
| Networked standby | 0 W | – | 0 W |
| Off mode | 0.4 W | – | 0 W |
| Resolution | 3840 × 2160 | 3840 × 2160 | 3840 × 2160 |
| Aspect ratio | 16:9 | 16:9 | 16:9 |
| Panel | LED LCD | LED LCD | LED LCD |
| Refresh rate | 60 Hz | 60 Hz | 60 Hz |
| Power supply | Internal | Internal | Internal |
| Guaranteed support | 15 years | 15 years | 1 year |
| Software updates | 8 years | 8 years | 3 years |
| Spare parts available | 7 years | 7 years | 3 years |
| On the market since | June 6, 2024 | July 18, 2025 | October 13, 2026 |
| EPREL registration number | 2046476 | 2419520 | 2877279 |
| Energy class (HDR) | – | – | F |
| Power in on mode (HDR) | – | – | 58.7 W |
Rows where the models differ are highlighted.