Language

Compare models

3 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
  • Nilox NXM27CV2K2001 €12.71
  • ASUS XG27AQDMG €15.13
Model ViewSonic VS18401 Nilox NXM27CV2K2001 ASUS XG27AQDMG
Running cost
Running cost (per year) €17.99 €12.71 €15.13
over 10 years €180 +€53 over 10 years €127 €151 +€24 over 10 years
kWh per year 63.5 44.9 53.4
kg CO₂e per year from electricity use 13 9.4 11
Specifications
Brand ViewSonic Nilox ASUS
Model VS18401 NXM27CV2K2001 XG27AQDMG
Energy class G E F
Screen size 27″ (69 cm) 27″ (68.2 cm) 27″ (67.3 cm)
Power in on mode (SDR) 29 W 20.5 W 24.4 W
Standby 0.5 W 0.3 W 0.3 W
Off mode 0.3 W 0.2 W 0.2 W
Resolution 2560 × 1440 2560 × 1440 2560 × 1440
Aspect ratio 16:9 16:9 16:9
Panel LED LCD LED LCD OLED
Refresh rate 144 Hz 200 Hz 240 Hz
Power supply External External External
On the market since December 7, 2020 July 25, 2025 May 6, 2024
EPREL registration number 403916 2388209 1957748
Guaranteed support – 3 years 7 years
Software updates – 5 years 8 years
Spare parts available – 5 years 7 years
Energy class (HDR) – – F
Power in on mode (HDR) – – 25.5 W

Rows where the models differ are highlighted.