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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.

  • Gameon GOP28UHD144IPS €16.81
  • Japannext JN-IPS280UHD60F-P-W €15.51
Model Gameon GOP28UHD144IPS Japannext JN-IPS280UHD60F-P-W
Running cost
Running cost (per year) €16.81 €15.51
over 10 years €168 +€13 over 10 years €155
kWh per year 59.3 54.8
kg CO₂e per year from electricity use 12 11
Specifications
Brand Gameon Japannext
Model GOP28UHD144IPS JN-IPS280UHD60F-P-W
Energy class G F
Screen size 28″ (70.6 cm) 28″ (71 cm)
Power in on mode (SDR) 27.1 W 25 W
Standby 0.5 W 0.2 W
Networked standby 0.2 W –
Off mode 0.3 W –
Resolution 3840 × 2160 3840 × 2160
Aspect ratio 16:9 16:9
Panel LCD LED LCD
Refresh rate 50 Hz 60 Hz
Power supply External External
On the market since June 2, 2023 April 1, 2026
EPREL registration number 1607324 2657290
Energy class (HDR) – G
Power in on mode (HDR) – 33 W
Guaranteed support – 8 years
Software updates – 8 years
Spare parts available – 8 years

Rows where the models differ are highlighted.