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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.

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

Rows where the models differ are highlighted.