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.
- BenQ RD280UA €18.17
- Japannext JN-282i4KP-HSP €16.75
| Model | BenQ RD280UA | Japannext JN-282i4KP-HSP |
|---|---|---|
| Running cost | ||
| Running cost (per year) | €18.17 | €16.75 |
| over 10 years | €182 +€14 over 10 years | €167 |
| kWh per year | 64.2 | 59.1 |
| kg CO₂e per year from electricity use | 13 | 12 |
| Specifications | ||
| Brand | BenQ | Japannext |
| Model | RD280UA | JN-282i4KP-HSP |
| Energy class | G | F |
| Screen size | 28″ (71.6 cm) | 28″ (72 cm) |
| Power in on mode (SDR) | 29.3 W | 27 W |
| Energy class (HDR) | G | G |
| Power in on mode (HDR) | 31.2 W | 45 W |
| Standby | 0.4 W | 0.3 W |
| Off mode | 0.3 W | – |
| Resolution | 3840 × 2560 | 3840 × 2560 |
| Aspect ratio | 3:2 | 3:2 |
| Panel | LED LCD | LED LCD |
| Refresh rate | 60 Hz | 60 Hz |
| Power supply | Internal | Internal |
| Guaranteed support | 7 years | 8 years |
| Software updates | 8 years | 8 years |
| Spare parts available | 7 years | 8 years |
| On the market since | April 24, 2024 | April 1, 2025 |
| EPREL registration number | 1867961 | 2251917 |
Rows where the models differ are highlighted.