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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.

  • Elo ET1723LS €5.89
  • Dell E1715S €5.58
  • EIZO FlexScan S1734 €3.41
Model Elo ET1723LS Dell E1715S EIZO FlexScan S1734
Running cost
Running cost (per year) €5.89 €5.58 €3.41
over 10 years €59 +€25 over 10 years €56 +€22 over 10 years €34
kWh per year 20.8 19.7 12
kg CO₂e per year from electricity use 4.4 4.1 2.5
Specifications
Brand Elo Dell EIZO
Model ET1723LS E1715S FlexScan S1734
Energy class D D B
Screen size 17″ (43.2 cm) 17″ (43.2 cm) 17″ (43 cm)
Power in on mode (SDR) 9.5 W 9 W 5.5 W
Standby 1.3 W 0.2 W 0.5 W
Off mode 0.3 W 0.2 W 0.3 W
Resolution 1280 × 1024 1280 × 1024 1280 × 1024
Aspect ratio 5:4 4:3 5:4
Panel LED LCD LED LCD LCD
Refresh rate 60 Hz 60 Hz 60 Hz
Power supply External Internal Internal
On the market since July 28, 2021 February 6, 2014 September 26, 2025
EPREL registration number 818324 344935 2383992
Guaranteed support – 7 years 5 years
Software updates – 8 years 5 years
Spare parts available – 7 years 5 years

Rows where the models differ are highlighted.