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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.
  • Sony

    FW-43EZ20L
    G 43″4KLCD / LED

    €33.49 per year

    +€8.68 a year

  • Cheapest to run

    Ernitec

    0070-24143-L-4K
    E 43″4KLCD / LED

    €24.81 per year

  • iiyama

    X4373UHSU-B2
    E 43″4KLCD / LED

    €25.37 per year

    +€0.56 a year

  • iiyama

    G4380UHSU-B2 A
    F 43″4KLCD / LED

    €29.65 per year

    +€4.84 a year

Yearly running cost

Bars in proportion to the energy each model uses.

  • Sony FW-43EZ20L €33.49
  • Ernitec 0070-24143-L-4K €24.81
  • iiyama X4373UHSU-B2 €25.37
  • iiyama G4380UHSU-B2 A €29.65
Model Sony FW-43EZ20L Ernitec 0070-24143-L-4K iiyama X4373UHSU-B2 iiyama G4380UHSU-B2 A
Running cost
Running cost (per year) €33.49 €24.81 €25.37 €29.65
over 10 years €335 +€87 over 10 years €248 €254 +€6 over 10 years €296 +€48 over 10 years
kWh per year 118 87.6 89.6 105
kg CO₂e per year from electricity use 25 18 19 22
Specifications
Brand Sony Ernitec iiyama iiyama
Model FW-43EZ20L 0070-24143-L-4K X4373UHSU-B2 G4380UHSU-B2 A
Energy class G E E F
Screen size 43″ (108 cm) 43″ (109.2 cm) 43″ (108 cm) 43″ (108 cm)
Power in on mode (SDR) 54 W 40 W 40.9 W 47.8 W
Energy class (HDR) G E G G
Power in on mode (HDR) 64 W 41 W 79.1 W 84.6 W
Standby 0.5 W 0.3 W 0.5 W 0.5 W
Networked standby 2 W – – –
Resolution 3840 × 2160 3840 × 2160 3840 × 2160 3840 × 2160
Aspect ratio 16:9 16:9 16:9 16:9
Panel LED LCD LED LCD LED LCD LED LCD
Refresh rate 50 Hz 60 Hz 60 Hz 60 Hz
Power supply Internal Internal Internal Internal
Guaranteed support 7 years 10 years 7 years 7 years
Software updates 8 years 10 years 8 years 8 years
Spare parts available 7 years 10 years 7 years 7 years
On the market since October 10, 2023 January 31, 2025 November 20, 2025 February 20, 2026
EPREL registration number 1589633 2235760 2518811 2591043
Off mode – – 0.3 W 0.3 W

Rows where the models differ are highlighted.