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.
- LG 20MK40L €6.76
- Lenovo C19-10(D19185AD0) €5.83
| Model | LG 20MK40L | Lenovo C19-10(D19185AD0) |
|---|---|---|
| Running cost | ||
| Running cost (per year) | €6.76 | €5.83 |
| over 10 years | €68 +€9 over 10 years | €58 |
| kWh per year | 23.9 | 20.6 |
| kg CO₂e per year from electricity use | 5 | 4.3 |
| Specifications | ||
| Brand | LG | Lenovo |
| Model | 20MK40L | C19-10(D19185AD0) |
| Energy class | D | D |
| Screen size | 19″ (49.4 cm) | 19″ (47 cm) |
| Power in on mode (SDR) | 10.9 W | 9.4 W |
| Standby | 0.5 W | 0.2 W |
| Off mode | 0.3 W | 0.1 W |
| Resolution | 1366 × 768 | 1366 × 768 |
| Aspect ratio | 16:9 | 16:9 |
| Panel | LED LCD | LED LCD |
| Refresh rate | 60 Hz | 60 Hz |
| Power supply | External | Internal |
| Guaranteed support | 8 years | 7 years |
| Software updates | 8 years | 8 years |
| Spare parts available | 8 years | 7 years |
| On the market since | June 21, 2024 | August 12, 2019 |
| EPREL registration number | 2058761 | 340090 |
Rows where the models differ are highlighted.