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
- Add a model Use the Compare buttons on any of the monitors.
Yearly running cost
Bars in proportion to the energy each model uses.
- Legamaster ETX-8640 €91.17
- Zkteco ZK-IWB86BP €65.12
| Model | Legamaster ETX-8640 | Zkteco ZK-IWB86BP |
|---|---|---|
| Running cost | ||
| Running cost (per year) | €91.17 | €65.12 |
| over 10 years | €912 +€260 over 10 years | €651 |
| kWh per year | 322 | 230 |
| kg CO₂e per year from electricity use | 68 | 48 |
| Specifications | ||
| Brand | Legamaster | Zkteco |
| Model | ETX-8640 | ZK-IWB86BP |
| Energy class | C | D |
| Screen size | 86″ (218 cm) | 86″ (220 cm) |
| Power in on mode (SDR) | 147 W | 105 W |
| Standby | 0.5 W | 2.2 W |
| Networked standby | 0.5 W | 2 W |
| Off mode | 0 W | 0.3 W |
| Resolution | 3840 × 2160 | 3840 × 2160 |
| Aspect ratio | 16:9 | 16:9 |
| Panel | LED LCD | LCD |
| Refresh rate | 60 Hz | 60 Hz |
| Power supply | Internal | Internal |
| Guaranteed support | 5 years | 3 years |
| Software updates | 6 years | 3 years |
| Spare parts available | 8 years | 3 years |
| On the market since | April 15, 2024 | March 30, 2023 |
| EPREL registration number | 1790485 | 1524733 |
| Energy class (HDR) | – | D |
| Power in on mode (HDR) | – | 105 W |
Rows where the models differ are highlighted.