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.
- ASUS VG34WQL5A €15.51
- AOC CU34E4CW €12.40
- EIZO FlexScan EV3451X €9.86
| Model | ASUS VG34WQL5A | AOC CU34E4CW | EIZO FlexScan EV3451X |
|---|---|---|---|
| Running cost | |||
| Running cost (per year) | €15.51 | €12.40 | €9.86 |
| over 10 years | €155 +€56 over 10 years | €124 +€25 over 10 years | €99 |
| kWh per year | 54.8 | 43.8 | 34.8 |
| kg CO₂e per year from electricity use | 11 | 9.2 | 7.3 |
| Specifications | |||
| Brand | ASUS | AOC | EIZO |
| Model | VG34WQL5A | CU34E4CW | FlexScan EV3451X |
| Energy class | E | D | C |
| Screen size | 34″ (86.4 cm) | 34″ (86.4 cm) | 34″ (86.7 cm) |
| Power in on mode (SDR) | 25 W | 20 W | 15.9 W |
| Energy class (HDR) | G | G | – |
| Power in on mode (HDR) | 50 W | 46 W | – |
| Standby | 0.5 W | 0.5 W | 0.3 W |
| Off mode | 0.3 W | 0.3 W | 0.2 W |
| Resolution | 3440 × 1440 | 3440 × 1440 | 3440 × 1440 |
| Aspect ratio | 21:9 | 21:9 | 21:9 |
| Panel | LED LCD | LED LCD | LCD |
| Refresh rate | 60 Hz | 60 Hz | 60 Hz |
| Power supply | Internal | Internal | Internal |
| Guaranteed support | 7 years | 8 years | 7 years |
| Software updates | 8 years | 8 years | 7 years |
| Spare parts available | 7 years | 7 years | 7 years |
| On the market since | February 27, 2026 | October 15, 2025 | August 11, 2026 |
| EPREL registration number | 2581690 | 2418682 | 2663315 |
| Networked standby | – | 2 W | – |
Rows where the models differ are highlighted.