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3 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.

  • Shenzhen E-Tech Digital S780 €4.90
  • Dell P1425 €3.35
  • Shanghai Sishun E-commerce DR145 €2.42
Model Shenzhen E-Tech Digital S780 Dell P1425 Shanghai Sishun E-commerce DR145
Running cost
Running cost (per year) €4.90 €3.35 €2.42
over 10 years €49 +€25 over 10 years €33 +€9 over 10 years €24
kWh per year 17.3 11.8 8.5
kg CO₂e per year from electricity use 3.6 2.5 1.8
Specifications
Brand Shenzhen E-Tech Digital Dell Shanghai Sishun E-commerce
Model S780 P1425 DR145
Energy class D B A
Screen size 14″ (35.5 cm) 14″ (35.6 cm) 14″ (46.7 cm)
Power in on mode (SDR) 7.9 W 5.4 W 3.9 W
Standby 0.3 W 0.3 W 0.3 W
Networked standby 0 W – 0.6 W
Off mode 0 W 0.3 W 0.1 W
Resolution 1920 × 1200 1920 × 1200 1920 × 1200
Aspect ratio 16:10 16:10 16:10
Panel LCD LED LCD TFT LCD
Refresh rate 60 Hz 60 Hz 60 Hz
Power supply External STANDARD EXTERNAL External
Guaranteed support 3 years 7 years –
Software updates 3 years 8 years –
Spare parts available 3 years 7 years –
On the market since April 2, 2026 February 25, 2025 February 17, 2025
EPREL registration number 2682128 2169254 2265453
Energy class (HDR) – – A
Power in on mode (HDR) – – 4 W

Rows where the models differ are highlighted.