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
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Yearly running cost
Bars in proportion to the energy each model uses.
- KTC H27T22 €13.02
- Ozone OZON G2790 QHD €11.29
| Model | KTC H27T22 | Ozone OZON G2790 QHD |
|---|---|---|
| Running cost | ||
| Running cost (per year) | €13.02 | €11.29 |
| over 10 years | €130 +€17 over 10 years | €113 |
| kWh per year | 46 | 39.9 |
| kg CO₂e per year from electricity use | 9.7 | 8.4 |
| Specifications | ||
| Brand | KTC | Ozone |
| Model | H27T22 | OZON G2790 QHD |
| Energy class | E | E |
| Screen size | 27″ (69 cm) | 27″ (68.6 cm) |
| Power in on mode (SDR) | 21 W | 18.2 W |
| Energy class (HDR) | G | – |
| Power in on mode (HDR) | 43 W | – |
| Standby | 0.2 W | 0.3 W |
| Off mode | 0.2 W | 0.2 W |
| Resolution | 2560 × 1440 | 2560 × 1440 |
| Aspect ratio | 16:9 | 16:9 |
| Panel | TFT-LCD | LED LCD |
| Refresh rate | 180 Hz | 180 Hz |
| Power supply | External | External |
| On the market since | December 4, 2024 | August 22, 2025 |
| EPREL registration number | 2212455 | 2451289 |
| Networked standby | – | 0 W |
| Guaranteed support | – | 6 years |
| Software updates | – | 6 years |
| Spare parts available | – | 6 years |
Rows where the models differ are highlighted.