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 H34S18S €19.85
- Ozone OZON G3425 WQHD €15.51
| Model | KTC H34S18S | Ozone OZON G3425 WQHD |
|---|---|---|
| Running cost | ||
| Running cost (per year) | €19.85 | €15.51 |
| over 10 years | €198 +€43 over 10 years | €155 |
| kWh per year | 70.1 | 54.8 |
| kg CO₂e per year from electricity use | 15 | 11 |
| Specifications | ||
| Brand | KTC | Ozone |
| Model | H34S18S | OZON G3425 WQHD |
| Energy class | G | E |
| Screen size | 34″ (86 cm) | 34″ (86.4 cm) |
| Power in on mode (SDR) | 32 W | 25 W |
| Energy class (HDR) | G | – |
| Power in on mode (HDR) | 54 W | – |
| Standby | 0.2 W | 0.2 W |
| Off mode | 0.2 W | 0.2 W |
| Resolution | 3440 × 1440 | 3440 × 1440 |
| Aspect ratio | 16:9 | 32:9 |
| Panel | TFT-LCD | LED LCD |
| Refresh rate | 180 Hz | 180 Hz |
| Power supply | External | External |
| On the market since | October 18, 2024 | August 22, 2025 |
| EPREL registration number | 2175128 | 2451313 |
| Networked standby | – | 0 W |
| Guaranteed support | – | 6 years |
| Software updates | – | 6 years |
| Spare parts available | – | 6 years |
Rows where the models differ are highlighted.