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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.

  • Izoly CO2456 €9.68
  • Japannext JN-MD-156IPS144FHDR €1.61
  • Cigaa S9-C €3.10
Model Izoly CO2456 Japannext JN-MD-156IPS144FHDR Cigaa S9-C
Running cost
Running cost (per year) €9.68 €1.61 €3.10
over 10 years €97 +€81 over 10 years €16 €31 +€15 over 10 years
kWh per year 34.2 5.7 11
kg CO₂e per year from electricity use 7.2 1.2 2.3
Specifications
Brand Izoly Japannext Cigaa
Model CO2456 JN-MD-156IPS144FHDR S9-C
Energy class E E A
Screen size 16″ (60 cm) 16″ (39.4 cm) 16″ (39.6 cm)
Power in on mode (SDR) 15.6 W 2.6 W 5 W
Energy class (HDR) E E –
Power in on mode (HDR) 17.3 W 7.9 W –
Standby 0.2 W 0.2 W 0.2 W
Networked standby 0 W – 0 W
Off mode 0.3 W – 0.2 W
Resolution 1920 × 1080 1920 × 1080 1920 × 1080
Aspect ratio 16:9 16:9 16:9
Panel LCD LED LCD LED LCD
Refresh rate 100 Hz 144 Hz 120 Hz
Power supply Internal External External
On the market since March 23, 2026 May 1, 2024 April 20, 2026
EPREL registration number 2669417 1972024 2698767
Guaranteed support – 1 year 2 years
Software updates – 1 year 2 years
Spare parts available – 1 year 2 years

Rows where the models differ are highlighted.