Compare models
3 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.
- Renkforce 2521581 €5.27
- Japannext JN-MD-156IPS144FHDR €1.61
- Shenzhen G-world Z1FC €2.67
| Model | Renkforce 2521581 | Japannext JN-MD-156IPS144FHDR | Shenzhen G-world Z1FC |
|---|---|---|---|
| Running cost | |||
| Running cost (per year) | €5.27 | €1.61 | €2.67 |
| over 10 years | €53 +€37 over 10 years | €16 | €27 +€11 over 10 years |
| kWh per year | 18.6 | 5.7 | 9.4 |
| kg CO₂e per year from electricity use | 3.9 | 1.2 | 2 |
| Specifications | |||
| Brand | Renkforce | Japannext | Shenzhen G-world |
| Model | 2521581 | JN-MD-156IPS144FHDR | Z1FC |
| Energy class | D | E | A |
| Screen size | 16″ (39.6 cm) | 16″ (39.4 cm) | 16″ (40.7 cm) |
| Power in on mode (SDR) | 8.5 W | 2.6 W | 4.3 W |
| Energy class (HDR) | D | E | – |
| Power in on mode (HDR) | 8.5 W | 7.9 W | – |
| Standby | 0.3 W | 0.2 W | 0.3 W |
| Resolution | 1920 × 1080 | 1920 × 1080 | 1920 × 1080 |
| Aspect ratio | 16:9 | 16:9 | 16:9 |
| Panel | LED | LED LCD | LCD |
| Refresh rate | 75 Hz | 144 Hz | 144 Hz |
| Power supply | External | External | Internal |
| On the market since | June 30, 2022 | May 1, 2024 | April 1, 2025 |
| EPREL registration number | 1221835 | 1972024 | 1775900 |
| Guaranteed support | – | 1 year | – |
| Software updates | – | 1 year | – |
| Spare parts available | – | 1 year | – |
| Networked standby | – | – | 0 W |
| Off mode | – | – | 0.2 W |
Rows where the models differ are highlighted.