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.
- Lenovo L34W-4C(F263403L0) €18.30
- Acer X34 X0 €14.64
| Model | Lenovo L34W-4C(F263403L0) | Acer X34 X0 |
|---|---|---|
| Running cost | ||
| Running cost (per year) | €18.30 | €14.64 |
| over 10 years | €183 +€37 over 10 years | €146 |
| kWh per year | 64.6 | 51.7 |
| kg CO₂e per year from electricity use | 14 | 11 |
| Specifications | ||
| Brand | Lenovo | Acer |
| Model | L34W-4C(F263403L0) | X34 X0 |
| Energy class | F | E |
| Screen size | 34″ (86.4 cm) | 34″ (86.4 cm) |
| Power in on mode (SDR) | 29.5 W | 23.6 W |
| Energy class (HDR) | G | G |
| Power in on mode (HDR) | 55 W | 34 W |
| Standby | 0.5 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 | 120 Hz | 200 Hz |
| Power supply | Internal | Internal |
| Guaranteed support | 7 years | 7 years |
| Software updates | 8 years | 8 years |
| Spare parts available | 7 years | 7 years |
| On the market since | March 13, 2026 | March 18, 2025 |
| EPREL registration number | 2660802 | 2343889 |
Rows where the models differ are highlighted.