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.
- LG 34BQ77QC €20.03
- AOC CU34E4CW €12.40
| Model | LG 34BQ77QC | AOC CU34E4CW |
|---|---|---|
| Running cost | ||
| Running cost (per year) | €20.03 | €12.40 |
| over 10 years | €200 +€76 over 10 years | €124 |
| kWh per year | 70.7 | 43.8 |
| kg CO₂e per year from electricity use | 15 | 9.2 |
| Specifications | ||
| Brand | LG | AOC |
| Model | 34BQ77QC | CU34E4CW |
| Energy class | G | D |
| Screen size | 34″ (86.7 cm) | 34″ (86.4 cm) |
| Power in on mode (SDR) | 32.3 W | 20 W |
| Energy class (HDR) | G | G |
| Power in on mode (HDR) | 51.4 W | 46 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 | 60 Hz | 60 Hz |
| Power supply | Internal | Internal |
| Guaranteed support | 8 years | 8 years |
| Software updates | 8 years | 8 years |
| Spare parts available | 8 years | 7 years |
| On the market since | July 5, 2022 | October 15, 2025 |
| EPREL registration number | 1299747 | 2418682 |
| Networked standby | – | 2 W |
Rows where the models differ are highlighted.