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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.
  • Z-Edge

    U27P4K
    E 27″4KLCD / LED

    €13.33 per year

    +€8.99 a year

  • Sharp

    DD-EA272U
    C 27″4KLCD / LED

    €8.68 per year

    +€4.34 a year

  • Cheapest to run

    Guangzhou changhong audio-visual electronic products

    M-27LFK4P60
    C 27″4KLCD / LED

    €4.34 per year

  • Shenzhen dusun

    UP27001,UP27002,UP27003,UP27004,UP27005
    A 27″4KLCD / LED144 Hz

    €4.96 per year

    +€0.62 a year

Yearly running cost

Bars in proportion to the energy each model uses.

  • Z-Edge U27P4K €13.33
  • 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 Z-Edge U27P4K Sharp DD-EA272U Guangzhou changhong audio-visual electronic products M-27LFK4P60 Shenzhen dusun UP27001,UP27002,UP27003,UP27004,UP27005
Running cost
Running cost (per year) €13.33 €8.68 €4.34 €4.96
over 10 years €133 +€90 over 10 years €87 +€43 over 10 years €43 €50 +€6 over 10 years
kWh per year 47.1 30.7 15.3 17.5
kg CO₂e per year from electricity use 9.9 6.4 3.2 3.7
Specifications
Brand Z-Edge Sharp Guangzhou changhong audio-visual electronic products Shenzhen dusun
Model U27P4K DD-EA272U M-27LFK4P60 UP27001,UP27002,UP27003,UP27004,UP27005
Energy class E C C A
Screen size 27″ (69 cm) 27″ (68.5 cm) 27″ (70 cm) 27″ (68.6 cm)
Power in on mode (SDR) 21.5 W 14 W 7 W 8 W
Energy class (HDR) G – – –
Power in on mode (HDR) 28.5 W – – –
Standby 0.2 W 0.5 W 0.3 W 0.3 W
Resolution 3840 × 2160 3840 × 2160 3840 × 2160 3840 × 2160
Aspect ratio 16:9 16:9 16:9 16:9
Panel LCD LCD LED LCD LCD
Refresh rate 60 Hz 60 Hz 60 Hz 144 Hz
Power supply External Internal External External
Guaranteed support 3 years 8 years 1 year 1 year
Software updates 3 years 8 years 1 year 1 year
Spare parts available 3 years 7 years 1 year 1 year
On the market since March 17, 2025 December 1, 2024 October 25, 2024 December 18, 2025
EPREL registration number 2300075 1926861 2181008 2577146
Off mode – 0.3 W 0 W 0.1 W
Networked standby – – 0 W 0 W

Rows where the models differ are highlighted.