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 27GX790B €15.32
- iiyama X2792QSU-B1 A €6.64
| Model | LG 27GX790B | iiyama X2792QSU-B1 A |
|---|---|---|
| Running cost | ||
| Running cost (per year) | €15.32 | €6.64 |
| over 10 years | €153 +€87 over 10 years | €66 |
| kWh per year | 54.1 | 23.4 |
| kg CO₂e per year from electricity use | 11 | 4.9 |
| Specifications | ||
| Brand | LG | iiyama |
| Model | 27GX790B | X2792QSU-B1 A |
| Energy class | F | B |
| Screen size | 27″ (67.4 cm) | 27″ (68.5 cm) |
| Power in on mode (SDR) | 24.7 W | 10.7 W |
| Energy class (HDR) | G | – |
| Power in on mode (HDR) | 28.5 W | – |
| Standby | 0.5 W | 0.5 W |
| Off mode | 0.3 W | 0.3 W |
| Resolution | 2560 × 1440 | 2560 × 1440 |
| Aspect ratio | 16:9 | 16:9 |
| Panel | OLED | LED LCD |
| Refresh rate | 60 Hz | 60 Hz |
| Power supply | External | Internal |
| Guaranteed support | 8 years | 8 years |
| Software updates | 8 years | 8 years |
| Spare parts available | 8 years | 7 years |
| On the market since | October 15, 2025 | June 1, 2026 |
| EPREL registration number | 2498871 | 2702610 |
Rows where the models differ are highlighted.