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.
- James Donkey VELOR Q40 €11.16
- AOC Q27P4U €8.06
| Model | James Donkey VELOR Q40 | AOC Q27P4U |
|---|---|---|
| Running cost | ||
| Running cost (per year) | €11.16 | €8.06 |
| over 10 years | €112 +€31 over 10 years | €81 |
| kWh per year | 39.4 | 28.5 |
| kg CO₂e per year from electricity use | 8.3 | 6 |
| Specifications | ||
| Brand | James Donkey | AOC |
| Model | VELOR Q40 | Q27P4U |
| Energy class | E | C |
| Screen size | 27″ (68.4 cm) | 27″ (68.5 cm) |
| Power in on mode (SDR) | 18 W | 13 W |
| Standby | 0.2 W | 0.3 W |
| Networked standby | 0 W | – |
| Off mode | 0.1 W | 0.3 W |
| Resolution | 2560 × 1440 | 2560 × 1440 |
| Aspect ratio | 16:9 | 16:9 |
| Panel | LCD | LED LCD |
| Refresh rate | 60 Hz | 60 Hz |
| Power supply | External | Internal |
| Guaranteed support | 2 years | 8 years |
| Software updates | 5 years | 8 years |
| Spare parts available | 3 years | 7 years |
| On the market since | June 1, 2026 | July 3, 2025 |
| EPREL registration number | 2745385 | 2377208 |
| Energy class (HDR) | – | C |
| Power in on mode (HDR) | – | 13 W |
Rows where the models differ are highlighted.