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.
- Cooler Master GM27-FFS €13.02
- iiyama XB2792HSU-B1 A €6.64
| Model | Cooler Master GM27-FFS | iiyama XB2792HSU-B1 A |
|---|---|---|
| Running cost | ||
| Running cost (per year) | €13.02 | €6.64 |
| over 10 years | €130 +€64 over 10 years | €66 |
| kWh per year | 46 | 23.4 |
| kg CO₂e per year from electricity use | 9.7 | 4.9 |
| Specifications | ||
| Brand | Cooler Master | iiyama |
| Model | GM27-FFS | XB2792HSU-B1 A |
| Energy class | E | B |
| Screen size | 27″ (69 cm) | 27″ (68.6 cm) |
| Power in on mode (SDR) | 21 W | 10.7 W |
| Standby | 0.3 W | 0.5 W |
| Off mode | 0.2 W | 0.3 W |
| Resolution | 1920 × 1080 | 1920 × 1080 |
| Aspect ratio | 16:9 | 16:9 |
| Panel | TF-L-CD | LED LCD |
| Refresh rate | 60 Hz | 60 Hz |
| Power supply | External | Internal |
| On the market since | August 12, 2022 | June 1, 2026 |
| EPREL registration number | 1332248 | 2692644 |
| Guaranteed support | – | 8 years |
| Software updates | – | 8 years |
| Spare parts available | – | 7 years |
Rows where the models differ are highlighted.