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4 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.

  • Lenovo P27UD-40(C26270UP0) €10.61
  • Sharp DD-EA272U €8.68
  • Guangzhou changhong audio-visual electronic products M-27LFK4P60 €4.34
  • Shenzhen dusun UP27001,UP27002,UP27003,UP27004,UP27005 €4.96
Model Lenovo P27UD-40(C26270UP0) Sharp DD-EA272U Guangzhou changhong audio-visual electronic products M-27LFK4P60 Shenzhen dusun UP27001,UP27002,UP27003,UP27004,UP27005
Running cost
Running cost (per year) €10.61 €8.68 €4.34 €4.96
over 10 years €106 +€63 over 10 years €87 +€43 over 10 years €43 €50 +€6 over 10 years
kWh per year 37.4 30.7 15.3 17.5
kg CO₂e per year from electricity use 7.9 6.4 3.2 3.7
Specifications
Brand Lenovo Sharp Guangzhou changhong audio-visual electronic products Shenzhen dusun
Model P27UD-40(C26270UP0) DD-EA272U M-27LFK4P60 UP27001,UP27002,UP27003,UP27004,UP27005
Energy class D C C A
Screen size 27″ (68.5 cm) 27″ (68.5 cm) 27″ (70 cm) 27″ (68.6 cm)
Power in on mode (SDR) 17.1 W 14 W 7 W 8 W
Energy class (HDR) F – – –
Power in on mode (HDR) 27.1 W – – –
Standby 0.5 W 0.5 W 0.3 W 0.3 W
Networked standby 2 W – 0 W 0 W
Off mode 0.3 W 0.3 W 0 W 0.1 W
Resolution 3840 × 2160 3840 × 2160 3840 × 2160 3840 × 2160
Aspect ratio 16:9 16:9 16:9 16:9
Panel LED LCD LCD LED LCD LCD
Refresh rate 60 Hz 60 Hz 60 Hz 144 Hz
Power supply Internal Internal External External
Guaranteed support 7 years 8 years 1 year 1 year
Software updates 8 years 8 years 1 year 1 year
Spare parts available 7 years 7 years 1 year 1 year
On the market since June 8, 2026 December 1, 2024 October 25, 2024 December 18, 2025
EPREL registration number 2715409 1926861 2181008 2577146

Rows where the models differ are highlighted.