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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.

  • Acer VG270 S €13.33
  • Nilox NXM27FHD2401 €11.16
  • Guangzhou changhong audio-visual electronic products M-27LFK1Q165 €4.34
Model Acer VG270 S Nilox NXM27FHD2401 Guangzhou changhong audio-visual electronic products M-27LFK1Q165
Running cost
Running cost (per year) €13.33 €11.16 €4.34
over 10 years €133 +€90 over 10 years €112 +€68 over 10 years €43
kWh per year 47.1 39.4 15.3
kg CO₂e per year from electricity use 9.9 8.3 3.2
Specifications
Brand Acer Nilox Guangzhou changhong audio-visual electronic products
Model VG270 S NXM27FHD2401 M-27LFK1Q165
Energy class E E C
Screen size 27″ (68.6 cm) 27″ (68.6 cm) 27″ (70 cm)
Power in on mode (SDR) 21.5 W 18 W 7 W
Energy class (HDR) G – –
Power in on mode (HDR) 49 W – –
Standby 0.5 W 0.3 W 0.3 W
Off mode 0.3 W 0.2 W 0 W
Resolution 1920 × 1080 1920 × 1080 1920 × 1080
Aspect ratio 16:9 16:9 16:9
Panel LED LCD LED LCD LED LCD
Refresh rate 144 Hz 240 Hz 165 Hz
Power supply Internal External External
Guaranteed support 7 years 3 years 1 year
Software updates 8 years 5 years 1 year
Spare parts available 7 years 5 years 1 year
On the market since March 20, 2020 September 23, 2025 November 6, 2024
EPREL registration number 407201 2454467 2189238
Networked standby – – 0 W

Rows where the models differ are highlighted.