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.
- ASUS VA27AQ €8.06
- iiyama X2792QSU-B1 A €6.64
- Acer B277U Gbmiiprx €6.51
| Model | ASUS VA27AQ | iiyama X2792QSU-B1 A | Acer B277U Gbmiiprx |
|---|---|---|---|
| Running cost | |||
| Running cost (per year) | €8.06 | €6.64 | €6.51 |
| over 10 years | €81 +€16 over 10 years | €66 +€1 over 10 years | €65 |
| kWh per year | 28.5 | 23.4 | 23 |
| kg CO₂e per year from electricity use | 6 | 4.9 | 4.8 |
| Specifications | |||
| Brand | ASUS | iiyama | Acer |
| Model | VA27AQ | X2792QSU-B1 A | B277U Gbmiiprx |
| Energy class | C | B | B |
| Screen size | 27″ (68.5 cm) | 27″ (68.5 cm) | 27″ (69 cm) |
| Power in on mode (SDR) | 13 W | 10.7 W | 10.5 W |
| Energy class (HDR) | G | – | G |
| Power in on mode (HDR) | 37 W | – | 28 W |
| Standby | 0.5 W | 0.5 W | 0.5 W |
| Off mode | 0.3 W | 0.3 W | 0.3 W |
| Resolution | 2560 × 1440 | 2560 × 1440 | 2560 × 1440 |
| Aspect ratio | 16:9 | 16:9 | 16:9 |
| Panel | LED LCD | LED LCD | LED LCD |
| Refresh rate | 60 Hz | 60 Hz | 60 Hz |
| Power supply | Internal | Internal | Internal |
| Guaranteed support | 7 years | 8 years | 7 years |
| Software updates | 8 years | 8 years | 8 years |
| Spare parts available | 7 years | 7 years | 7 years |
| On the market since | July 14, 2025 | June 1, 2026 | April 3, 2025 |
| EPREL registration number | 2378075 | 2702610 | 2453396 |
Rows where the models differ are highlighted.