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.
- KTC H34S18E €19.85
- AOC CU34E4CW €12.40
- MSI PRO MP341CQPHG E12 €15.51
| Model | KTC H34S18E | AOC CU34E4CW | MSI PRO MP341CQPHG E12 |
|---|---|---|---|
| Running cost | |||
| Running cost (per year) | €19.85 | €12.40 | €15.51 |
| over 10 years | €198 +€74 over 10 years | €124 | €155 +€31 over 10 years |
| kWh per year | 70.1 | 43.8 | 54.8 |
| kg CO₂e per year from electricity use | 15 | 9.2 | 11 |
| Specifications | |||
| Brand | KTC | AOC | MSI |
| Model | H34S18E | CU34E4CW | PRO MP341CQPHG E12 |
| Energy class | G | D | E |
| Screen size | 34″ (86.4 cm) | 34″ (86.4 cm) | 34″ (86.4 cm) |
| Power in on mode (SDR) | 32 W | 20 W | 25 W |
| Energy class (HDR) | G | G | G |
| Power in on mode (HDR) | 50 W | 46 W | 40 W |
| Standby | 0.2 W | 0.5 W | 0.5 W |
| Networked standby | 0 W | 2 W | – |
| Off mode | 0.2 W | 0.3 W | 0.3 W |
| Resolution | 3440 × 1440 | 3440 × 1440 | 3440 × 1440 |
| Aspect ratio | 21:9 | 21:9 | 21:9 |
| Panel | LCD | LED LCD | LCD |
| Refresh rate | 60 Hz | 60 Hz | 60 Hz |
| Power supply | Internal | Internal | Internal |
| On the market since | October 9, 2026 | October 15, 2025 | April 20, 2026 |
| EPREL registration number | 2872749 | 2418682 | 2664456 |
| Guaranteed support | – | 8 years | 3 years |
| Software updates | – | 8 years | 8 years |
| Spare parts available | – | 7 years | 3 years |
Rows where the models differ are highlighted.