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2 monitors side by side.

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.

Yearly running cost

Bars in proportion to the energy each model uses.

  • LG 38GN950P €23.13
  • Dell U3824DW €21.58
Model LG 38GN950P Dell U3824DW
Running cost
Running cost (per year) €23.13 €21.58
over 10 years €231 +€16 over 10 years €216
kWh per year 81.7 76.2
kg CO₂e per year from electricity use 17 16
Specifications
Brand LG Dell
Model 38GN950P U3824DW
Energy class G F
Screen size 38″ (95.3 cm) 38″ (95.3 cm)
Power in on mode (SDR) 37.3 W 34.8 W
Energy class (HDR) G –
Power in on mode (HDR) 106 W –
Standby 0.5 W 0.4 W
Off mode 0.3 W 0.3 W
Resolution 3840 × 1600 3840 × 1600
Aspect ratio 21:9 21:9
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 September 30, 2022 June 22, 2023
EPREL registration number 1349955 1361189
Networked standby – 0.9 W

Rows where the models differ are highlighted.