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.
- Cooler Master GM34-CW €23.69
- Itek ITMC34V181WQHD €18.73
| Model | Cooler Master GM34-CW | Itek ITMC34V181WQHD |
|---|---|---|
| Running cost | ||
| Running cost (per year) | €23.69 | €18.73 |
| over 10 years | €237 +€50 over 10 years | €187 |
| kWh per year | 83.7 | 66.1 |
| kg CO₂e per year from electricity use | 18 | 14 |
| Specifications | ||
| Brand | Cooler Master | Itek |
| Model | GM34-CW | ITMC34V181WQHD |
| Energy class | G | F |
| Screen size | 34″ (86.4 cm) | 34″ (86.4 cm) |
| Power in on mode (SDR) | 38.2 W | 30.2 W |
| Energy class (HDR) | G | G |
| Power in on mode (HDR) | 47.7 W | 54.5 W |
| Standby | 0.3 W | 0.5 W |
| Off mode | 0.3 W | 0.3 W |
| Resolution | 3440 × 1440 | 3440 × 1440 |
| Aspect ratio | 21:9 | 21:9 |
| Panel | LCD | LED LCD |
| Refresh rate | 144 Hz | 165 Hz |
| Power supply | Internal | Internal |
| On the market since | January 1, 2020 | May 15, 2024 |
| EPREL registration number | 550030 | 2013813 |
| Guaranteed support | – | 7 years |
| Software updates | – | 8 years |
| Spare parts available | – | 7 years |
Rows where the models differ are highlighted.