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.
- Hengrui P88 €3.41
- Waveshare 7inch HDMI LCD (C) (with bicolor case) €1.49
| Model | Hengrui P88 | Waveshare 7inch HDMI LCD (C) (with bicolor case) |
|---|---|---|
| Running cost | ||
| Running cost (per year) | €3.41 | €1.49 |
| over 10 years | €34 +€19 over 10 years | €15 |
| kWh per year | 12 | 5.3 |
| kg CO₂e per year from electricity use | 2.5 | 1.1 |
| Specifications | ||
| Brand | Hengrui | Waveshare |
| Model | P88 | 7inch HDMI LCD (C) (with bicolor case) |
| Energy class | D | A |
| Screen size | 7″ (17.5 cm) | 7″ (17.7 cm) |
| Power in on mode (SDR) | 5.5 W | 2.4 W |
| Standby | 0.5 W | 0.4 W |
| Off mode | 0.3 W | 0.2 W |
| Resolution | 1024 × 600 | 1024 × 600 |
| Aspect ratio | 16:9 | 16:9 |
| Panel | LCD | LCD |
| Refresh rate | 60 Hz | 60 Hz |
| Power supply | Internal | Internal |
| Guaranteed support | 1 year | 1 year |
| Software updates | 1 year | 1 year |
| Spare parts available | 1 year | 1 year |
| On the market since | May 10, 2024 | March 9, 2023 |
| EPREL registration number | 2022965 | 1517388 |
Rows where the models differ are highlighted.