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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.

Electricity prices in all EU countries

  • ViewSonic

    VS19278(VX2728J-2K)
    F 27″QHDLCD / LED165 Hz

    €16.13 per year

    +€3.41 a year

  • Cheapest to run

    Nilox

    NXM27CV2K2001
    E 27″QHDLCD / LED200 Hz

    €12.71 per year

  • Itek

    ITMC27V161QHD
    F 27″QHDLCD / LED165 Hz

    €15.07 per year

    +€2.36 a year

  • ASUS

    XG27AQDMG
    F 27″QHDOLED240 Hz

    €15.13 per year

    +€2.42 a year

Yearly running cost

Bars in proportion to the energy each model uses.

  • ViewSonic VS19278(VX2728J-2K) €16.13
  • Nilox NXM27CV2K2001 €12.71
  • Itek ITMC27V161QHD €15.07
  • ASUS XG27AQDMG €15.13
Model ViewSonic VS19278(VX2728J-2K) Nilox NXM27CV2K2001 Itek ITMC27V161QHD ASUS XG27AQDMG
Running cost
Running cost (per year) €16.13 €12.71 €15.07 €15.13
over 10 years €161 +€34 over 10 years €127 €151 +€24 over 10 years €151 +€24 over 10 years
kWh per year 56.9 44.9 53.2 53.4
kg CO₂e per year from electricity use 12 9.4 11 11
Specifications
Brand ViewSonic Nilox Itek ASUS
Model VS19278(VX2728J-2K) NXM27CV2K2001 ITMC27V161QHD XG27AQDMG
Energy class F E F F
Screen size 27″ (68.6 cm) 27″ (68.2 cm) 27″ (68.6 cm) 27″ (67.3 cm)
Power in on mode (SDR) 26 W 20.5 W 24.3 W 24.4 W
Energy class (HDR) G – G F
Power in on mode (HDR) 33 W – 32.7 W 25.5 W
Standby 0.5 W 0.3 W 0.5 W 0.3 W
Off mode 0.3 W 0.2 W 0.3 W 0.2 W
Resolution 2560 × 1440 2560 × 1440 2560 × 1440 2560 × 1440
Aspect ratio 16:9 16:9 16:9 16:9
Panel LED LCD LED LCD LED LCD OLED
Refresh rate 165 Hz 200 Hz 165 Hz 240 Hz
Power supply External External STANDARD EXTERNAL External
Guaranteed support 8 years 3 years 7 years 7 years
Software updates 9 years 5 years 8 years 8 years
Spare parts available 8 years 5 years 7 years 7 years
On the market since February 2, 2023 July 25, 2025 July 24, 2023 May 6, 2024
EPREL registration number 1461519 2388209 1672071 1957748

Rows where the models differ are highlighted.