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.
- LG 25G523B €9.74
- ASUS XG259CS €9.12
- Uperfect UP24507,UP24508,UP24509,UP24510,UP24511,UP24512 €4.65
| Model | LG 25G523B | ASUS XG259CS | Uperfect UP24507,UP24508,UP24509,UP24510,UP24511,UP24512 |
|---|---|---|---|
| Running cost | |||
| Running cost (per year) | €9.74 | €9.12 | €4.65 |
| over 10 years | €97 +€51 over 10 years | €91 +€45 over 10 years | €47 |
| kWh per year | 34.4 | 32.2 | 16.4 |
| kg CO₂e per year from electricity use | 7.2 | 6.8 | 3.4 |
| Specifications | |||
| Brand | LG | ASUS | Uperfect |
| Model | 25G523B | XG259CS | UP24507,UP24508,UP24509,UP24510,UP24511,UP24512 |
| Energy class | E | D | A |
| Screen size | 25″ (62.3 cm) | 25″ (62.2 cm) | 25″ (62.3 cm) |
| Power in on mode (SDR) | 15.7 W | 14.7 W | 7.5 W |
| Energy class (HDR) | F | G | – |
| Power in on mode (HDR) | 20.6 W | 30 W | – |
| Standby | 0.5 W | 0.5 W | 0.1 W |
| Off mode | 0.3 W | 0.3 W | 0 W |
| Resolution | 1920 × 1080 | 1920 × 1080 | 1920 × 1080 |
| Aspect ratio | 16:9 | 16:9 | 16:9 |
| Panel | LED LCD | LED LCD | LED LCD |
| Refresh rate | 60 Hz | 60 Hz | 240 Hz |
| Power supply | External | External | External |
| Guaranteed support | 8 years | 7 years | 1 year |
| Software updates | 8 years | 8 years | 1 year |
| Spare parts available | 8 years | 7 years | 1 year |
| On the market since | February 28, 2026 | June 28, 2024 | April 24, 2025 |
| EPREL registration number | 2648119 | 2015624 | 2339925 |
| Networked standby | – | – | 0 W |
Rows where the models differ are highlighted.