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.
- Great voell Q34B45 €22.70
- MSI MAG 346CQ €19.23
| Model | Great voell Q34B45 | MSI MAG 346CQ |
|---|---|---|
| Running cost | ||
| Running cost (per year) | €22.70 | €19.23 |
| over 10 years | €227 +€35 over 10 years | €192 |
| kWh per year | 80.2 | 67.9 |
| kg CO₂e per year from electricity use | 17 | 14 |
| Specifications | ||
| Brand | Great voell | MSI |
| Model | Q34B45 | MAG 346CQ |
| Energy class | G | F |
| Screen size | 34″ (86 cm) | 34″ (87 cm) |
| Power in on mode (SDR) | 36.6 W | 31 W |
| Standby | 0.2 W | 0.5 W |
| Networked standby | 0 W | – |
| Off mode | 0.2 W | 0.3 W |
| Resolution | 3440 × 1440 | 3440 × 1440 |
| Aspect ratio | 21:9 | 16:9 |
| Panel | LED | LED LCD |
| Refresh rate | 165 Hz | 180 Hz |
| Power supply | Internal | Internal |
| On the market since | January 8, 2026 | January 31, 2025 |
| EPREL registration number | 2591017 | 2223008 |
| Energy class (HDR) | – | G |
| Power in on mode (HDR) | – | 51 W |
| Guaranteed support | – | 3 years |
| Software updates | – | 8 years |
| Spare parts available | – | 3 years |
Rows where the models differ are highlighted.