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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
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Yearly running cost
Bars in proportion to the energy each model uses.
- ShenZhen ShiJiRongLi Technology Development Z3-7 €2.48
- Shenzhen Youyue A3327 €1.61
| Model | ShenZhen ShiJiRongLi Technology Development Z3-7 | Shenzhen Youyue A3327 |
|---|---|---|
| Running cost | ||
| Running cost (per year) | €2.48 | €1.61 |
| over 10 years | €25 +€9 over 10 years | €16 |
| kWh per year | 8.8 | 5.7 |
| kg CO₂e per year from electricity use | 1.8 | 1.2 |
| Specifications | ||
| Brand | ShenZhen ShiJiRongLi Technology Development | Shenzhen Youyue |
| Model | Z3-7 | A3327 |
| Energy class | A | A |
| Screen size | 7″ (17.5 cm) | 7″ (17.6 cm) |
| Power in on mode (SDR) | 4 W | 2.6 W |
| Standby | 0.4 W | 1.1 W |
| Off mode | 0.2 W | 0 W |
| Resolution | 1024 × 600 | 1024 × 600 |
| Aspect ratio | 16:9 | 16:9 |
| Panel | LCD | OLED |
| Refresh rate | 60 Hz | 60 Hz |
| Power supply | External | External |
| Guaranteed support | 1 year | 1 year |
| Software updates | 1 year | 1 year |
| Spare parts available | 1 year | 1 year |
| On the market since | August 17, 2025 | February 26, 2025 |
| EPREL registration number | 2445688 | 2274479 |
| Networked standby | – | 0 W |
Rows where the models differ are highlighted.