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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.

  • KTC H27P3 €16.13
  • MSI MAG 271KPD7 €13.02
  • Philips 27M2D5901A €13.02
Model KTC H27P3 MSI MAG 271KPD7 Philips 27M2D5901A
Running cost
Running cost (per year) €16.13 €13.02 €13.02
over 10 years €161 +€31 over 10 years €130 €130
kWh per year 56.9 46 46
kg CO₂e per year from electricity use 12 9.7 9.7
Specifications
Brand KTC MSI Philips
Model H27P3 MAG 271KPD7 27M2D5901A
Energy class F E E
Screen size 27″ (68.6 cm) 27″ (68.4 cm) 27″ (68.5 cm)
Power in on mode (SDR) 26 W 21 W 21 W
Energy class (HDR) G G G
Power in on mode (HDR) 46 W 55 W 48 W
Standby 0.3 W 0.5 W 0.5 W
Off mode 0.2 W 0.3 W 0.3 W
Resolution 5120 × 2880 5120 × 2880 5120 × 2880
Aspect ratio 16:9 16:9 16:9
Panel LED LCD LCD LCD
Refresh rate 60 Hz 60 Hz 60 Hz
Power supply Internal Internal Internal
On the market since June 24, 2025 May 20, 2026 May 9, 2026
EPREL registration number 2396447 2708880 2688778
Guaranteed support – 3 years 8 years
Software updates – 8 years 8 years
Spare parts available – 3 years 7 years

Rows where the models differ are highlighted.