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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 €4.34
  • 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) €4.34 €3.35 €2.42
over 10 years €43 +€19 over 10 years €33 +€9 over 10 years €24
kWh per year 15.3 11.8 8.5
kg CO₂e per year from electricity use 3.2 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″ (36 cm) 14″ (35.6 cm) 14″ (35.5 cm)
Power in on mode (SDR) 7 W 5.4 W 3.9 W
Standby 0.2 W 0.3 W 0.2 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 LED LCD LED LCD LCD
Refresh rate 60 Hz 60 Hz 60 Hz
Power supply Internal STANDARD EXTERNAL Internal
On the market since February 26, 2025 February 25, 2025 May 17, 2026
EPREL registration number 2274209 2169254 2728688
Guaranteed support – 7 years 3 years
Software updates – 8 years 8 years
Spare parts available – 7 years 3 years
Energy class (HDR) – – A
Power in on mode (HDR) – – 3.9 W
Networked standby – – 0 W

Rows where the models differ are highlighted.