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.
- Cepter C34ATILIUS €19.60
- Hgfrtee B340QQU16 €4.96
- Twistedminds TM34CWQHD165VA €13.52
- Acer X34 X0 €14.64
| Model | Cepter C34ATILIUS | Hgfrtee B340QQU16 | Twistedminds TM34CWQHD165VA | Acer X34 X0 |
|---|---|---|---|---|
| Running cost | ||||
| Running cost (per year) | €19.60 | €4.96 | €13.52 | €14.64 |
| over 10 years | €196 +€146 over 10 years | €50 | €135 +€86 over 10 years | €146 +€97 over 10 years |
| kWh per year | 69.2 | 17.5 | 47.7 | 51.7 |
| kg CO₂e per year from electricity use | 15 | 3.7 | 10 | 11 |
| Specifications | ||||
| Brand | Cepter | Hgfrtee | Twistedminds | Acer |
| Model | C34ATILIUS | B340QQU16 | TM34CWQHD165VA | X34 X0 |
| Energy class | G | C | E | E |
| Screen size | 34″ (86.4 cm) | 34″ (85 cm) | 34″ (86.4 cm) | 34″ (86.4 cm) |
| Power in on mode (SDR) | 31.6 W | 8 W | 21.8 W | 23.6 W |
| Energy class (HDR) | G | – | – | G |
| Power in on mode (HDR) | 53.9 W | – | – | 34 W |
| Standby | 0.2 W | 0.1 W | 0.2 W | 0.5 W |
| Off mode | 0.2 W | 0 W | 0 W | 0.3 W |
| Resolution | 3440 × 1440 | 3440 × 1440 | 3440 × 1440 | 3440 × 1440 |
| Aspect ratio | 16:9 | 16:9 | 21:9 | 21:9 |
| Panel | LCD | LCD | LCD | LED LCD |
| Refresh rate | 165 Hz | 165 Hz | 165 Hz | 200 Hz |
| Power supply | External | External | External | Internal |
| On the market since | March 1, 2024 | March 18, 2026 | November 12, 2024 | March 18, 2025 |
| EPREL registration number | 1876138 | 2665077 | 2192582 | 2343889 |
| Guaranteed support | – | 1 year | 1 year | 7 years |
| Software updates | – | 1 year | 1 year | 8 years |
| Spare parts available | – | 1 year | 1 year | 7 years |
| Networked standby | – | – | 0 W | – |
Rows where the models differ are highlighted.