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.
- KTC H25X7 €11.16
- ASUS XG259CS €9.12
| Model | KTC H25X7 | ASUS XG259CS |
|---|---|---|
| Running cost | ||
| Running cost (per year) | €11.16 | €9.12 |
| over 10 years | €112 +€20 over 10 years | €91 |
| kWh per year | 39.4 | 32.2 |
| kg CO₂e per year from electricity use | 8.3 | 6.8 |
| Specifications | ||
| Brand | KTC | ASUS |
| Model | H25X7 | XG259CS |
| Energy class | E | D |
| Screen size | 25″ (62.2 cm) | 25″ (62.2 cm) |
| Power in on mode (SDR) | 18 W | 14.7 W |
| Energy class (HDR) | G | G |
| Power in on mode (HDR) | 40 W | 30 W |
| Standby | 0.2 W | 0.5 W |
| Networked standby | 0 W | – |
| Off mode | 0.2 W | 0.3 W |
| Resolution | 1920 × 1080 | 1920 × 1080 |
| Aspect ratio | 16:9 | 16:9 |
| Panel | TFT-LCD | LED LCD |
| Refresh rate | 60 Hz | 60 Hz |
| Power supply | External | External |
| On the market since | September 27, 2024 | June 28, 2024 |
| EPREL registration number | 2156609 | 2015624 |
| Guaranteed support | – | 7 years |
| Software updates | – | 8 years |
| Spare parts available | – | 7 years |
Rows where the models differ are highlighted.