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.
- iiyama XCB3494WQSU-B1 €19.66
- ASUS VU34WCIP-W €15.07
| Model | iiyama XCB3494WQSU-B1 | ASUS VU34WCIP-W |
|---|---|---|
| Running cost | ||
| Running cost (per year) | €19.66 | €15.07 |
| over 10 years | €197 +€46 over 10 years | €151 |
| kWh per year | 69.4 | 53.2 |
| kg CO₂e per year from electricity use | 15 | 11 |
| Specifications | ||
| Brand | iiyama | ASUS |
| Model | XCB3494WQSU-B1 | VU34WCIP-W |
| Energy class | F | E |
| Screen size | 34″ (86.4 cm) | 34″ (86.4 cm) |
| Power in on mode (SDR) | 31.7 W | 24.3 W |
| Standby | 0.4 W | 0.5 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 | External |
| Guaranteed support | 7 years | 7 years |
| Software updates | 8 years | 8 years |
| Spare parts available | 7 years | 7 years |
| On the market since | January 20, 2025 | January 6, 2025 |
| EPREL registration number | 2202183 | 2205883 |
| Energy class (HDR) | – | G |
| Power in on mode (HDR) | – | 34.7 W |
Rows where the models differ are highlighted.