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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.

  • Acer B277K D €13.02
  • Sharp DD-EA272U €8.68
Model Acer B277K D Sharp DD-EA272U
Running cost
Running cost (per year) €13.02 €8.68
over 10 years €130 +€43 over 10 years €87
kWh per year 46 30.7
kg CO₂e per year from electricity use 9.7 6.4
Specifications
Brand Acer Sharp
Model B277K D DD-EA272U
Energy class E C
Screen size 27″ (69 cm) 27″ (68.5 cm)
Power in on mode (SDR) 21 W 14 W
Energy class (HDR) G –
Power in on mode (HDR) 35 W –
Standby 0.5 W 0.5 W
Off mode 0.3 W 0.3 W
Resolution 3840 × 2160 3840 × 2160
Aspect ratio 16:9 16:9
Panel LED LCD LCD
Refresh rate 60 Hz 60 Hz
Power supply Internal Internal
Guaranteed support 7 years 8 years
Software updates 8 years 8 years
Spare parts available 7 years 7 years
On the market since May 28, 2024 December 1, 2024
EPREL registration number 2069191 1926861

Rows where the models differ are highlighted.