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.
- Blackstorm GMF27QHD €14.88
- Nilox NXM27CV2K2001 €12.71
- Gamepower RAPID Q-MAX €7.75
- Cepter C27ESPORTP4 €9.92
| Model | Blackstorm GMF27QHD | Nilox NXM27CV2K2001 | Gamepower RAPID Q-MAX | Cepter C27ESPORTP4 |
|---|---|---|---|---|
| Running cost | ||||
| Running cost (per year) | €14.88 | €12.71 | €7.75 | €9.92 |
| over 10 years | €149 +€71 over 10 years | €127 +€50 over 10 years | €78 | €99 +€22 over 10 years |
| kWh per year | 52.6 | 44.9 | 27.4 | 35 |
| kg CO₂e per year from electricity use | 11 | 9.4 | 5.7 | 7.4 |
| Specifications | ||||
| Brand | Blackstorm | Nilox | Gamepower | Cepter |
| Model | GMF27QHD | NXM27CV2K2001 | RAPID Q-MAX | C27ESPORTP4 |
| Energy class | F | E | E | D |
| Screen size | 27″ (68.5 cm) | 27″ (68.2 cm) | 27″ (68.6 cm) | 27″ (69 cm) |
| Power in on mode (SDR) | 24 W | 20.5 W | 12.5 W | 16 W |
| Energy class (HDR) | G | – | – | F |
| Power in on mode (HDR) | 27 W | – | – | 22 W |
| Standby | 0.2 W | 0.3 W | 0.3 W | 0.2 W |
| Off mode | 0.2 W | 0.2 W | 0.3 W | 0.2 W |
| Resolution | 2560 × 1440 | 2560 × 1440 | 2560 × 1440 | 2560 × 1440 |
| Aspect ratio | 16:9 | 16:9 | 16:9 | 16:9 |
| Panel | LCD | LED LCD | LCD | OLED |
| Refresh rate | 180 Hz | 200 Hz | 300 Hz | 240 Hz |
| Power supply | External | External | External | External |
| Guaranteed support | 2 years | 3 years | – | 7 years |
| Software updates | 8 years | 5 years | – | 7 years |
| Spare parts available | 7 years | 5 years | – | 7 years |
| On the market since | July 1, 2024 | July 25, 2025 | December 27, 2024 | July 20, 2026 |
| EPREL registration number | 2050437 | 2388209 | 2231840 | 2732628 |
| Networked standby | – | – | 0.4 W | – |
Rows where the models differ are highlighted.