Compare models
4 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
Yearly running cost
Bars in proportion to the energy each model uses.
- KTC H27T22 €13.02
- Gamepower RAPID Q-MAX €7.75
- Cepter C27ESPORTP4 €9.92
- Ozone OZON G2790 QHD €11.29
| Model | KTC H27T22 | Gamepower RAPID Q-MAX | Cepter C27ESPORTP4 | Ozone OZON G2790 QHD |
|---|---|---|---|---|
| Running cost | ||||
| Running cost (per year) | €13.02 | €7.75 | €9.92 | €11.29 |
| over 10 years | €130 +€53 over 10 years | €78 | €99 +€22 over 10 years | €113 +€35 over 10 years |
| kWh per year | 46 | 27.4 | 35 | 39.9 |
| kg CO₂e per year from electricity use | 9.7 | 5.7 | 7.4 | 8.4 |
| Specifications | ||||
| Brand | KTC | Gamepower | Cepter | Ozone |
| Model | H27T22 | RAPID Q-MAX | C27ESPORTP4 | OZON G2790 QHD |
| Energy class | E | E | D | E |
| Screen size | 27″ (69 cm) | 27″ (68.6 cm) | 27″ (69 cm) | 27″ (68.6 cm) |
| Power in on mode (SDR) | 21 W | 12.5 W | 16 W | 18.2 W |
| Energy class (HDR) | G | – | F | – |
| Power in on mode (HDR) | 43 W | – | 22 W | – |
| Standby | 0.2 W | 0.3 W | 0.2 W | 0.3 W |
| Off mode | 0.2 W | 0.3 W | 0.2 W | 0.2 W |
| Resolution | 2560 × 1440 | 2560 × 1440 | 2560 × 1440 | 2560 × 1440 |
| Aspect ratio | 16:9 | 16:9 | 16:9 | 16:9 |
| Panel | TFT-LCD | LCD | OLED | LED LCD |
| Refresh rate | 180 Hz | 300 Hz | 240 Hz | 180 Hz |
| Power supply | External | External | External | External |
| On the market since | December 4, 2024 | December 27, 2024 | July 20, 2026 | August 22, 2025 |
| EPREL registration number | 2212455 | 2231840 | 2732628 | 2451289 |
| Networked standby | – | 0.4 W | – | 0 W |
| Guaranteed support | – | – | 7 years | 6 years |
| Software updates | – | – | 7 years | 6 years |
| Spare parts available | – | – | 7 years | 6 years |
Rows where the models differ are highlighted.