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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.

  • Shenzhen yingchuang INVPM408 €2.67
  • Ugreen CM909 €4.65
Model Shenzhen yingchuang INVPM408 Ugreen CM909
Running cost
Running cost (per year) €2.67 €4.65
over 10 years €27 €47 +€20 over 10 years
kWh per year 9.4 16.4
kg CO₂e per year from electricity use 2 3.4
Specifications
Brand Shenzhen yingchuang Ugreen
Model INVPM408 CM909
Energy class A C
Screen size 16″ (41 cm) 16″ (41.6 cm)
Power in on mode (SDR) 4.3 W 7.5 W
Energy class (HDR) A C
Power in on mode (HDR) 4.3 W 8 W
Standby 0.4 W 0.5 W
Networked standby 0 W –
Off mode 0.3 W –
Resolution 2560 × 1600 2560 × 1600
Aspect ratio 16:10 16:9
Panel LCD LCD
Refresh rate 240 Hz 165 Hz
Power supply External STANDARD EXTERNAL
Guaranteed support 1 year 7 years
Software updates 1 year 8 years
Spare parts available 1 year 7 years
On the market since July 4, 2025 December 12, 2025
EPREL registration number 2407668 2562378

Rows where the models differ are highlighted.