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LG 45GX900A

  • Monitors
  • 45″
  • QHD
  • OLED

Running cost

€25.24 per year

€252 over 10 years

EU average, 6 h a day

Uses about as much energy as the average for 45-inch monitors on Wattabill (26 models).

Running cost at a glance

  • €25.24 per year
  • €252 over 10 years
  • 89.1 kWh per year
  • 19 kg CO₂e per year from electricity use
This model
Average for 45-inch monitors (26)

Your country and usage

6 h a day
  • 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.

Specifications

BrandLG
Model45GX900A
Energy classF
Screen size45″ (113.1 cm)
Power in on mode (SDR)40.7 W
Energy class (HDR)E
Power in on mode (HDR)38.7 W
Standby0.5 W
Off mode0.3 W
Resolution3440 × 1440
Aspect ratio21:9
PanelOLED
Refresh rate60 Hz
Power supplyExternal
Guaranteed support8 years
Software updates8 years
Spare parts available8 years
On the market sinceApril 7, 2025
EPREL registration number2322600

Source: EPREL, European Commission. Data updated October 13, 2026.