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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.

  • ViewSonic VS18401 €17.99
  • Itek ITMC27V161QHD €15.07
Model ViewSonic VS18401 Itek ITMC27V161QHD
Running cost
Running cost (per year) €17.99 €15.07
over 10 years €180 +€29 over 10 years €151
kWh per year 63.5 53.2
kg CO₂e per year from electricity use 13 11
Specifications
Brand ViewSonic Itek
Model VS18401 ITMC27V161QHD
Energy class G F
Screen size 27″ (69 cm) 27″ (68.6 cm)
Power in on mode (SDR) 29 W 24.3 W
Standby 0.5 W 0.5 W
Off mode 0.3 W 0.3 W
Resolution 2560 × 1440 2560 × 1440
Aspect ratio 16:9 16:9
Panel LED LCD LED LCD
Refresh rate 144 Hz 165 Hz
Power supply External STANDARD EXTERNAL
On the market since December 7, 2020 July 24, 2023
EPREL registration number 403916 1672071
Energy class (HDR) – G
Power in on mode (HDR) – 32.7 W
Guaranteed support – 7 years
Software updates – 8 years
Spare parts available – 7 years

Rows where the models differ are highlighted.