LG 39GX90SB
- Monitors
- 39″
- QHD
- OLED
Uses about as much energy as the average for 39-inch monitors on Wattabill (17 models).
Running cost at a glance
- €24.99 per year
- €250 over 10 years
- 88.3 kWh per year
- 19 kg CO₂e per year from electricity use
This model
Average for 39-inch monitors (17)
Your country and usage
- 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.
We assume prices stay the same over the years.
Electricity prices in all EU countries
Same size and resolution, cheaper to run
Models on the market with the same screen size and resolution as the LG 39GX90SB that use at least 5% less energy.
Specifications
| Brand | LG |
|---|---|
| Model | 39GX90SB |
| Energy class | G |
| Screen size | 39″ (99.2 cm) |
| Power in on mode (SDR) | 40.3 W |
| Energy class (HDR) | G |
| Power in on mode (HDR) | 45.9 W |
| Standby | 0.5 W |
| Networked standby | 2 W |
| Resolution | 3440 × 1440 |
| Aspect ratio | 21:9 |
| Panel | OLED |
| Refresh rate | 60 Hz |
| Power supply | External |
| Guaranteed support | 8 years |
| Software updates | 8 years |
| Spare parts available | 8 years |
| On the market since | May 27, 2026 |
| EPREL registration number | 2739552 |
Source: EPREL, European Commission. Data updated October 13, 2026.