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
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Yearly running cost
Bars in proportion to the energy each model uses.
- Ad Notam DFU-0420-871 €41.12
- iiyama G4380UHSU-B2 A €29.65
| Model | Ad Notam DFU-0420-871 | iiyama G4380UHSU-B2 A |
|---|---|---|
| Running cost | ||
| Running cost (per year) | €41.12 | €29.65 |
| over 10 years | €411 +€115 over 10 years | €296 |
| kWh per year | 145 | 105 |
| kg CO₂e per year from electricity use | 30 | 22 |
| Specifications | ||
| Brand | Ad Notam | iiyama |
| Model | DFU-0420-871 | G4380UHSU-B2 A |
| Energy class | G | F |
| Screen size | 43″ (108 cm) | 43″ (108 cm) |
| Power in on mode (SDR) | 66.3 W | 47.8 W |
| Standby | 0.4 W | 0.5 W |
| Resolution | 3840 × 2160 | 3840 × 2160 |
| Aspect ratio | 16:9 | 16:9 |
| Panel | LED LCD | LED LCD |
| Refresh rate | 60 Hz | 60 Hz |
| Power supply | External | Internal |
| Guaranteed support | 8 years | 7 years |
| Software updates | 8 years | 8 years |
| Spare parts available | 7 years | 7 years |
| On the market since | April 20, 2022 | February 20, 2026 |
| EPREL registration number | 1230094 | 2591043 |
| Energy class (HDR) | – | G |
| Power in on mode (HDR) | – | 84.6 W |
| Off mode | – | 0.3 W |
Rows where the models differ are highlighted.