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.
- JOY-iT RB-LCD-7-2 €2.05
- Waveshare 7inch HDMI LCD (C) (with bicolor case) €1.49
- Shenzhen Youyue A3327 €1.61
| Model | JOY-iT RB-LCD-7-2 | Waveshare 7inch HDMI LCD (C) (with bicolor case) | Shenzhen Youyue A3327 |
|---|---|---|---|
| Running cost | |||
| Running cost (per year) | €2.05 | €1.49 | €1.61 |
| over 10 years | €20 +€6 over 10 years | €15 | €16 +€1 over 10 years |
| kWh per year | 7.2 | 5.3 | 5.7 |
| kg CO₂e per year from electricity use | 1.5 | 1.1 | 1.2 |
| Specifications | |||
| Brand | JOY-iT | Waveshare | Shenzhen Youyue |
| Model | RB-LCD-7-2 | 7inch HDMI LCD (C) (with bicolor case) | A3327 |
| Energy class | A | A | A |
| Screen size | 7″ (17.8 cm) | 7″ (17.7 cm) | 7″ (17.6 cm) |
| Power in on mode (SDR) | 3.3 W | 2.4 W | 2.6 W |
| Standby | 1.4 W | 0.4 W | 1.1 W |
| Off mode | 1.4 W | 0.2 W | 0 W |
| Resolution | 1024 × 600 | 1024 × 600 | 1024 × 600 |
| Aspect ratio | 17:10 | 16:9 | 16:9 |
| Panel | TFT | LCD | OLED |
| Refresh rate | 60 Hz | 60 Hz | 60 Hz |
| Power supply | STANDARD EXTERNAL | Internal | External |
| On the market since | May 16, 2017 | March 9, 2023 | February 26, 2025 |
| EPREL registration number | 521258 | 1517388 | 2274479 |
| Guaranteed support | – | 1 year | 1 year |
| Software updates | – | 1 year | 1 year |
| Spare parts available | – | 1 year | 1 year |
| Networked standby | – | – | 0 W |
Rows where the models differ are highlighted.