Language

Compare models

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.

  • Dell U3824DW €21.58
  • Cepter C38ATILIUS €19.41
Model Dell U3824DW Cepter C38ATILIUS
Running cost
Running cost (per year) €21.58 €19.41
over 10 years €216 +€22 over 10 years €194
kWh per year 76.2 68.5
kg CO₂e per year from electricity use 16 14
Specifications
Brand Dell Cepter
Model U3824DW C38ATILIUS
Energy class F E
Screen size 38″ (95.3 cm) 38″ (95.3 cm)
Power in on mode (SDR) 34.8 W 31.3 W
Standby 0.4 W 0.2 W
Networked standby 0.9 W 0 W
Off mode 0.3 W 0.2 W
Resolution 3840 × 1600 3840 × 1600
Aspect ratio 21:9 21:9
Panel LED LCD LED LCD
Refresh rate 60 Hz 144 Hz
Power supply Internal External
Guaranteed support 7 years 7 years
Software updates 8 years 7 years
Spare parts available 7 years 7 years
On the market since June 22, 2023 March 16, 2025
EPREL registration number 1361189 2293834
Energy class (HDR) – E
Power in on mode (HDR) – 31.5 W

Rows where the models differ are highlighted.