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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 S7 €4.22
  • Dell P1425 €3.35
  • MicroData WCH-BX1401C €2.42
Model Shenzhen E-Tech Digital S7 Dell P1425 MicroData WCH-BX1401C
Running cost
Running cost (per year) €4.22 €3.35 €2.42
over 10 years €42 +€18 over 10 years €33 +€9 over 10 years €24
kWh per year 14.9 11.8 8.5
kg CO₂e per year from electricity use 3.1 2.5 1.8
Specifications
Brand Shenzhen E-Tech Digital Dell MicroData
Model S7 P1425 WCH-BX1401C
Energy class C B A
Screen size 14″ (35.5 cm) 14″ (35.6 cm) 14″ (35.5 cm)
Power in on mode (SDR) 6.8 W 5.4 W 3.9 W
Energy class (HDR) C – A
Power in on mode (HDR) 7 W – 3.9 W
Standby 0.2 W 0.3 W 0.2 W
Networked standby 0 W – 0 W
Off mode 0.2 W 0.3 W 0.3 W
Resolution 1920 × 1200 1920 × 1200 1920 × 1200
Aspect ratio 16:10 16:10 16:10
Panel LCD LED LCD LCD
Refresh rate 50 Hz 60 Hz 60 Hz
Power supply External STANDARD EXTERNAL Internal
Guaranteed support 3 years 7 years 3 years
Software updates 3 years 8 years 8 years
Spare parts available 3 years 7 years 3 years
On the market since April 2, 2026 February 25, 2025 May 17, 2026
EPREL registration number 2681635 2169254 2728688

Rows where the models differ are highlighted.