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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.

  • Japannext JN-IPS270UHD60F9 €13.02
  • 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 Japannext JN-IPS270UHD60F9 Sharp DD-EA272U Guangzhou changhong audio-visual electronic products M-27LFK4P60 Shenzhen dusun UP27001,UP27002,UP27003,UP27004,UP27005
Running cost
Running cost (per year) €13.02 €8.68 €4.34 €4.96
over 10 years €130 +€87 over 10 years €87 +€43 over 10 years €43 €50 +€6 over 10 years
kWh per year 46 30.7 15.3 17.5
kg CO₂e per year from electricity use 9.7 6.4 3.2 3.7
Specifications
Brand Japannext Sharp Guangzhou changhong audio-visual electronic products Shenzhen dusun
Model JN-IPS270UHD60F9 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 W 14 W 7 W 8 W
Energy class (HDR) G – – –
Power in on mode (HDR) 33 W – – –
Standby 0.3 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 LED LCD LCD LED LCD LCD
Refresh rate 60 Hz 60 Hz 60 Hz 144 Hz
Power supply Internal Internal External External
Guaranteed support 8 years 8 years 1 year 1 year
Software updates 8 years 8 years 1 year 1 year
Spare parts available 8 years 7 years 1 year 1 year
On the market since May 1, 2025 December 1, 2024 October 25, 2024 December 18, 2025
EPREL registration number 2316178 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.