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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.

  • Viltrox DC-550 €4.59
  • Wimaxit M1220 €2.67
  • Kefeya KE-S6 Monitor €3.10
Model Viltrox DC-550 Wimaxit M1220 Kefeya KE-S6 Monitor
Running cost
Running cost (per year) €4.59 €2.67 €3.10
over 10 years €46 +€19 over 10 years €27 €31 +€4 over 10 years
kWh per year 16.2 9.4 11
kg CO₂e per year from electricity use 3.4 2 2.3
Specifications
Brand Viltrox Wimaxit Kefeya
Model DC-550 M1220 KE-S6 Monitor
Energy class A B A
Screen size 6″ (5.5 cm) 6″ (15.6 cm) 6″ (15.6 cm)
Power in on mode (SDR) 7.4 W 4.3 W 5 W
Energy class (HDR) A – A
Power in on mode (HDR) 7.4 W – 6 W
Standby 0 W 0.4 W 0.3 W
Off mode 0 W 0.3 W 0.1 W
Resolution 1920 × 1080 1920 × 1080 1920 × 1080
Aspect ratio 16:9 16:9 16:9
Panel LED LCD LCD LED LCD
Refresh rate 60 Hz 60 Hz 60 Hz
Power supply Internal External Internal
On the market since May 29, 2025 November 25, 2025 April 22, 2025
EPREL registration number 2372834 2546061 2022102
Networked standby – 0 W –
Guaranteed support – 1 year –
Software updates – 1 year –
Spare parts available – 1 year –

Rows where the models differ are highlighted.