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.
- LC-Power LC-M34-UWQHD-144-C €24.19
- MSI MAG 346CQ €19.23
- Acer EI342CKR €19.78
| Model | LC-Power LC-M34-UWQHD-144-C | MSI MAG 346CQ | Acer EI342CKR |
|---|---|---|---|
| Running cost | |||
| Running cost (per year) | €24.19 | €19.23 | €19.78 |
| over 10 years | €242 +€50 over 10 years | €192 | €198 +€6 over 10 years |
| kWh per year | 85.4 | 67.9 | 69.9 |
| kg CO₂e per year from electricity use | 18 | 14 | 15 |
| Specifications | |||
| Brand | LC-Power | MSI | Acer |
| Model | LC-M34-UWQHD-144-C | MAG 346CQ | EI342CKR |
| Energy class | G | F | G |
| Screen size | 34″ (86 cm) | 34″ (87 cm) | 34″ (86.4 cm) |
| Power in on mode (SDR) | 39 W | 31 W | 31.9 W |
| Standby | 0.5 W | 0.5 W | 0.4 W |
| Off mode | 0.3 W | 0.3 W | 0.3 W |
| Resolution | 3440 × 1440 | 3440 × 1440 | 3440 × 1440 |
| Aspect ratio | 21:9 | 16:9 | 21:9 |
| Panel | LED LCD | LED LCD | LCD |
| Refresh rate | 144 Hz | 180 Hz | 144 Hz |
| Power supply | Internal | Internal | Internal |
| Guaranteed support | 10 years | 3 years | 7 years |
| Software updates | 10 years | 8 years | 8 years |
| Spare parts available | 10 years | 3 years | 7 years |
| On the market since | July 23, 2020 | January 31, 2025 | March 31, 2021 |
| EPREL registration number | 345088 | 2223008 | 372019 |
| Energy class (HDR) | – | G | G |
| Power in on mode (HDR) | – | 51 W | 51.2 W |
Rows where the models differ are highlighted.