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.
- Spenta WM439FI-60Hz €27.04
- iiyama X4373UHSU-B2 €25.37
| Model | Spenta WM439FI-60Hz | iiyama X4373UHSU-B2 |
|---|---|---|
| Running cost | ||
| Running cost (per year) | €27.04 | €25.37 |
| over 10 years | €270 +€17 over 10 years | €254 |
| kWh per year | 95.5 | 89.6 |
| kg CO₂e per year from electricity use | 20 | 19 |
| Specifications | ||
| Brand | Spenta | iiyama |
| Model | WM439FI-60Hz | X4373UHSU-B2 |
| Energy class | F | E |
| Screen size | 43″ (108.1 cm) | 43″ (108 cm) |
| Power in on mode (SDR) | 43.6 W | 40.9 W |
| Standby | 0.3 W | 0.5 W |
| Off mode | 0.3 W | 0.3 W |
| Resolution | 3840 × 2160 | 3840 × 2160 |
| Aspect ratio | 16:9 | 16:9 |
| Panel | LCD | LED LCD |
| Refresh rate | 60 Hz | 60 Hz |
| Power supply | Internal | Internal |
| Guaranteed support | 1 year | 7 years |
| Software updates | 1 year | 8 years |
| Spare parts available | 1 year | 7 years |
| On the market since | January 30, 2026 | November 20, 2025 |
| EPREL registration number | 2616705 | 2518811 |
| Energy class (HDR) | – | G |
| Power in on mode (HDR) | – | 79.1 W |
Rows where the models differ are highlighted.