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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.

  • NOS N27QHD26 €14.88
  • Yashi YZ2733 €8.56
Model NOS N27QHD26 Yashi YZ2733
Running cost
Running cost (per year) €14.88 €8.56
over 10 years €149 +€63 over 10 years €86
kWh per year 52.6 30.2
kg CO₂e per year from electricity use 11 6.3
Specifications
Brand NOS Yashi
Model N27QHD26 YZ2733
Energy class F E
Screen size 27″ (68.5 cm) 27″ (68.6 cm)
Power in on mode (SDR) 24 W 13.8 W
Energy class (HDR) G –
Power in on mode (HDR) 29 W –
Standby 0.5 W 0.3 W
Off mode 0.3 W 0.2 W
Resolution 2560 × 1440 2560 × 1440
Aspect ratio 16:9 16:9
Panel LED LCD LED LCD
Refresh rate 120 Hz 144 Hz
Power supply External External
Guaranteed support 8 years –
Software updates 8 years –
Spare parts available 8 years –
On the market since August 30, 2026 June 1, 2026
EPREL registration number 2749706 2772259

Rows where the models differ are highlighted.