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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.

  • Great voell Q375B46 €27.54
  • BenQ EW3880R €23.26
  • Dutzo G38-IB144QL-B €19.85
Model Great voell Q375B46 BenQ EW3880R Dutzo G38-IB144QL-B
Running cost
Running cost (per year) €27.54 €23.26 €19.85
over 10 years €275 +€77 over 10 years €233 +€34 over 10 years €198
kWh per year 97.2 82.1 70.1
kg CO₂e per year from electricity use 20 17 15
Specifications
Brand Great voell BenQ Dutzo
Model Q375B46 EW3880R G38-IB144QL-B
Energy class G G E
Screen size 38″ (95 cm) 38″ (95.3 cm) 38″ (97.3 cm)
Power in on mode (SDR) 44.4 W 37.5 W 32 W
Standby 0.2 W 0.4 W 0.5 W
Networked standby 0 W – –
Off mode 0.2 W 0.3 W 0.3 W
Resolution 3840 × 1600 3840 × 1600 3840 × 1600
Aspect ratio 21:9 21:9 21:9
Panel LED LED LCD LED LCD
Refresh rate 144 Hz 144 Hz 144 Hz
Power supply Internal Internal External
On the market since March 10, 2025 August 1, 2021 March 1, 2025
EPREL registration number 2289695 674022 2597287
Energy class (HDR) – G E
Power in on mode (HDR) – 52.4 W 32 W
Guaranteed support – 7 years –
Software updates – 8 years –
Spare parts available – 7 years –

Rows where the models differ are highlighted.